2019 Gmc Sierra 3500 TSBs
650 Technical Service Bulletins across 17 categories
Categories
Engine
176 bulletinsThis service bulletin provides information on replacing the intake manifold when the engine is replaced after severe...
Read full bulletin
internal engine damage.
This Preliminary Information communication provides information to the technician about vehicles that have had multiple...
Read full bulletin
repair attempts that are being performed on customers vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.
This Preliminary Information communication provides information to the technician about fluid leaking from the brake...
Read full bulletin
caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston.
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the...
Read full bulletin
possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines...
Read full bulletin
and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
This Preliminary information communicates information on ahydrauilc rush type noise from the power steering gear.
Read full bulletin
This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
Informational bulletin explaining how a plow may cause overheating and engine damage when traveling over 45 mph.
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or...
Read full bulletin
GDS 2.
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
This informational bulletin provides information on higher than expected oil consumption.
This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft...
Read full bulletin
issue.
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil...
Read full bulletin
consumption.
This bulletin provides information on Policies Applicable to All U.S.
Read full bulletin
Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
This Preliminary information communicates information on adding RPO UF3 Fast Idle to a vehicle.
This service bulletin provides graphics, information and guidelines for engine component wear to assist service...
Read full bulletin
personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This Preliminary Information communication provides information to the technician that a customer may request the...
Read full bulletin
factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Technician will need to gain access to the body harness. Install trailer brake controller harness General Motors part number 23184088 into Middle Bus Electrical Center (X61A).
This service bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles.
Read full bulletin
General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
This informational bulletin advises the technician that the engine and related parts will be debited if found that the...
Read full bulletin
tech did not properly prepare the engine block from dirt and debris in bolt holes or if found that the block was damaged by the tech.
This informational bulletin provides information on higher than expected oil consumption.
This bulletin provides information on common diesel engine tick noises and how they are considered part of normal...
Read full bulletin
operation and no parts should be replaced for these normal operating conditions.
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
Read full bulletin
service or aftermarket calibrations.
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or...
Read full bulletin
GDS 2.
This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil...
Read full bulletin
consumption.
This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant...
Read full bulletin
leaks.
This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine...
Read full bulletin
hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel in cold temperatures.
This Preliminary information communicates to the dealer technician to reference the electronic parts catalog to check...
Read full bulletin
the EGR valve part number that was installed.
This Preliminary information communicatesthat trucks built at Oshawa assembly utilize a powder anti-chip material...
Read full bulletin
process for stone guard protection, which does not have a textured appearance. The anti-chip performance meets all engineering criteria for durability and quality without a visibly textured surface. Trucks built at Flint, Fort Wayne, and Silao will have a textured appearance to the stone guard protection.
This service bulletin explains the difference in oil filters for gas engines with new oil pump control systems and the...
Read full bulletin
possibilities of what may happen using the incorrect filter.
This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct...
Read full bulletin
conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
This service bulletin provides information for engine oil life monitor operation calculation.
This service bulletin provides information for engine oil life monitor operation calculation.
This bulletin updates the position of General Motors on refinishing aluminum wheels.
Read full bulletin
GM has determined that wheel refinishing under warranty will no longer be performed.
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with...
Read full bulletin
conductive finish.
This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct...
Read full bulletin
conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
This Preliminary Information communication provides information to the technician about fluid leaking from the brake...
Read full bulletin
caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines...
Read full bulletin
and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions...
Read full bulletin
and improve fuel economy.
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
Read full bulletin
service or aftermarket calibrations.
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact...
Read full bulletin
the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.
This Preliminary Information communication provides information to the technician about vibration complaints that are...
Read full bulletin
one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be reviewed to determine the root cause of the concern. If a repair attempt made the concern better but not eliminated or had no affect at all, and are requesting assistance from General Motors Technical Assistance Center record another Pico file and save it to the computer. After the new Pico Oscilloscope data has been saved email the data to General Motors Technical Assistance Center in the subject line include ?Vibration? ?Business Associate Code? and the last 8 of the Vehicle Identification Number.
This PI bulletin advises the technician on the proper way to install the pistons in an engine.
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air.
Read full bulletin
Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out.
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S.
Read full bulletin
Dealers Only).
This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out.
This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and...
Read full bulletin
Recommendations.
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil...
Read full bulletin
consumption.
This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out.
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S.
Read full bulletin
Dealers Only).
This service bulletin explains the difference in oil filters for gas engines with new oil pump control systems and the...
Read full bulletin
possibilities of what may happen using the incorrect filter.
This service bulletin provides graphics, information and guidelines for engine component wear to assist service...
Read full bulletin
personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This informational bulletin advised the technician that the engine and related parts will be debited if found that the...
Read full bulletin
tech didn't properly prepare the engine block from dirt and debris in bolt holes or if found that the block was damaged by the tech.
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
Read full bulletin
service or aftermarket calibrations.
This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine...
Read full bulletin
hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel in cold temperatures.
This Preliminary Information communication provides information to the technician about vehicles that have an unusual...
Read full bulletin
noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or...
Read full bulletin
GDS 2.
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil...
Read full bulletin
consumption.
This service bulletin provides information to dealership personnel on automatic transmission shift and engine...
Read full bulletin
driveability concerns and/or MIL ON due to aftermarket oil bath air filter use.
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a...
Read full bulletin
vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument...
Read full bulletin
Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection dropped, the radio station or volume changes when operating the snow plow. Please advise the customer that engineering is aware of this concern and working on this issue.
This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft...
Read full bulletin
issue.
This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft...
Read full bulletin
issue.
This service bulletin provides graphics, information and guidelines for engine component wear to assist service...
Read full bulletin
personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This informational bulletin provides information on higher than expected oil consumption.
This bulletin provides information on common diesel engine tick noises and how they are considered part of normal...
Read full bulletin
operation and no parts should be replaced for these normal operating conditions.
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
Read full bulletin
service or aftermarket calibrations.
This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe...
Read full bulletin
internal engine damage.
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S.
Read full bulletin
Dealers Only).
This service bulletin provides information for after installation of a replacement upper valve body, the transmission...
Read full bulletin
may have no Reverse and no 2nd gear.
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing...
Read full bulletin
issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
This Preliminary information communicates information on ahydrauilc rush type noise from the power steering gear.
Read full bulletin
This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
This Preliminary Information communication provides information to the technician that General Motors Technical...
Read full bulletin
Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
This Preliminary Information communication provides information to the technician that General Motors Technical...
Read full bulletin
Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out.
This service bulletin provides graphics, information and guidelines for engine component wear to assist service...
Read full bulletin
personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact...
Read full bulletin
the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles.
Read full bulletin
General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
This bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head...
Read full bulletin
gasket(s) has been possibly installed backwards to correct a concern of an Engine Thermostat Tick Noise and/or Running Hot.
This bulletin provides information on Policies Applicable to All U.S.
Read full bulletin
Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines...
Read full bulletin
and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
This Preliminary information communicates diagnostic aid to help isolate possible repeat thermal by-pass valve concern.
This bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head...
Read full bulletin
gasket(s) has been possibly installed backwards to correct a concern of an Engine Thermostat Tick Noise and/or Running Hot.
This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine...
Read full bulletin
hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel in cold temperatures.
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or...
Read full bulletin
GDS 2.
This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle...
Read full bulletin
Identification.
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil...
Read full bulletin
consumption.
This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator.
This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.
This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.
This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant...
Read full bulletin
leaks.
Informational bulletin explaining how a plow may cause overheating and engine damage when traveling over 45 mph.
This informational bulletin provides information on higher than expected oil consumption.
This bulletin provides information on common diesel engine tick noises and how they are considered part of normal...
Read full bulletin
operation and no parts should be replaced for these normal operating conditions.
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
Read full bulletin
service or aftermarket calibrations.
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe...
Read full bulletin
internal engine damage.
This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my occur if the...
Read full bulletin
engine is started while diagnosing for noise from the engine or transmission.
This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and...
Read full bulletin
Recommendations.
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions...
Read full bulletin
and improve fuel economy.
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air.
Read full bulletin
Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S.
Read full bulletin
Dealers Only).
This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator.
This bulletin provides information on common diesel engine tick noises and how they are considered part of normal...
Read full bulletin
operation and no parts should be replaced for these normal operating conditions.
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S.
Read full bulletin
Dealers Only).
This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold...
Read full bulletin
or the vehicle has sat for a few hours.
This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.
This service bulletin provides graphics, information and guidelines for engine component wear to assist service...
Read full bulletin
personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This Preliminary information communicates diagnostics to the dealer involving a vehicleshudder concern caused by the...
Read full bulletin
camshaft actuator system that can be mistaken for a transmission issue.
This information bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
This Preliminary Information communication provides information to the technician about a no start or another concern...
Read full bulletin
after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
This Preliminary information communicates the possibility of dtc p06DD due to low or no oil pressureimmediately...
Read full bulletin
following engine oil and filter changedue to oil filter and main oil gallery being drained or empty.
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles.
Read full bulletin
General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines...
Read full bulletin
and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the...
Read full bulletin
customers concern of engine misfire, ticking noise and/or MIL Illuminated.
This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint.
Read full bulletin
GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY).
Customer Satisfaction Program - certain vehicles equipped with the Duramax diesel 6.6 liter engine and the optional...
Read full bulletin
engine-block heater cord, may have a condition in which the block heater cable function was disabled. Dealers will replace the engine block heater and cord.
This Preliminary Information communication provides information to the technician about fluid leaking from the brake...
Read full bulletin
caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.
This Preliminary Information communication provides information to the technician that General Motors Technical...
Read full bulletin
Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
This Preliminary Information communication provides information to the technician that General Motors Technical...
Read full bulletin
Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
Service Update. Certain vehicles that are equipped with a Duramax diesel engine, the engine control module (ECM) may not...
Read full bulletin
take the appropriate remedial actions if an exhaust gas temperature sensor becomes disconnected. Dealers are to reprogram the engine control module with a modified calibration.
This Preliminary information communicates to the dealer an issue where a vehicle may be exhibiting an enginenoise...
Read full bulletin
condiion.The dealer is instructed on how to isolate the noise to a specific area of the engine for further diagnosis.
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a...
Read full bulletin
vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
This Preliminary information communicates a concern where the radio will reboot when adjusting the volume intermittently...
Read full bulletin
and that engineering is investigating.
This Preliminary information communicates information on ahydrauilc rush type noise from the power steering gear.
Read full bulletin
This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
This Preliminary Information communication provides information to the technician about vehicles that the blower motor...
Read full bulletin
may be noisy or vibrate when running. This concern will only occur when the temperatures is below 32 degrees Fahrenheit and if the blower motor is removed while still cold, ice may be found on the blower motor cage. This concern could be caused by water leaking or snow ingestion into the Heater-Vent-Air Conditioning case. Technician is to perform normal water testing diagnostics while the Heater-Vent-Air Conditioning is running, looking for water leaking past the plenum cover. If water is leaking past the cover remove the cover and install a 12x12 snow resistant screen to the fresh air intake. Reseal and install the plenum cover cap using Kent air dry sealer or equivalent.
This Preliminary information communicates diagnostics to the dealer involving a vehicleshudder concern caused by the...
Read full bulletin
camshaft actuator system that can be mistaken for a transmission issue.
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits.
Read full bulletin
Technicians shouldrefer to Service Information for information regarding most accessories. Technicians mayalso contact PARTECHand/orthe Techline Customer Support Center for additional support.
This informational bulletin advises the technician to check for a possible stuck oil pressure relief valve.
This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant...
Read full bulletin
leaks.
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles.
Read full bulletin
General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.
This Preliminary Information communication provides information and definitionsto the technician about vehicles that...
Read full bulletin
have fishbite, chuggle, misfire,AFM disturbances or torque converter shudder/vibrationconcerns. Technician are advised to use PICO software to determine root cause of the concern. If torque converter shudder is confirmed technicians arereferred toTorque Converter Diagnosis in SI.
This Preliminary Information communication provides information to the technician with the steps on diagnosing and...
Read full bulletin
repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? Brake Pedal Override Feature ?, transmission busy or frequent shifting up or down, and Diagnostic Trouble Codes P057B, P057C, and/or P057D may or may not be set. Technician will use this preliminary information to find the brake pedal position data parameters in the scan tool, and also to provide some additional diagnostic help. These issues may be caused by an incorrect brake pedal position sensor input to the engine control module. Technician will verify with the scan tool if the engine control module has the correct parameters for the brake pedal position sensor. If an engine control module brake pedal position sensor relearn is performed, the truck may be temporarily repaired until the intermittent wiring issue between the engine control module and brake pedal position sensor occurs again. On 2014 and newer trucks inspect and repair any damage to X115 and X119. On the 2014 and previous trucks inspect and repair any damage to X205.
This engineering information (EI) is requesting information from technicians to perform the check list provided and...
Read full bulletin
contact the engineer listed in regards to a Service 4WD message being visible on the driver information center (DIC).
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S.
Read full bulletin
Dealers Only).
This engineering information (EI) is requesting information from the field to perform the check list provided and...
Read full bulletin
contact the engineer in regards to Instrument Panel Cluster (IPC) Gages at Zero, Multiple Warning Lights On, No Chimes and/or Turn Single Audio.
This SKU is a Power Window Regulator and Motor Assembly.
Read full bulletin
The customer communication requested return of unsold inventory to inspect the software. The software may be too sensitive to the position of a locating magnet in the assembly causing the activation of the pinch point threshold prematurely. The window will stay open when it should have closed.
This SKU is a Power Window Regulator and Motor Assembly.
Read full bulletin
The customer communication requested return of unsold inventory to inspect the software. The software may be too sensitive to the position of a locating magnet in the assembly causing the activation of the pinch point threshold prematurely. The window will stay open when it should have closed.
This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a...
Read full bulletin
guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for...
Read full bulletin
customer concerns related to wheel alignment.
This diagnostic tip provides a procedure to aid in performing a diagnostic test to verify if the camshaft alignment pin...
Read full bulletin
has been sheared away to correct a crank/No Start condition.
This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to...
Read full bulletin
correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
This Preliminary Information communication provides information to the technician on the steps need to diagnose and...
Read full bulletin
repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with excessive crankshaft end play). Technician will test to determine if the crank shaft end play is within specification 0.0015?0.0086 inch. If end play is found to be out of specification, remove engine and inspect for possible crankshaft thrust bearing and/or crankshaft for wear. Inspect thrust bearing for wear on one side and crankshaft on that "mating" surface. If the thrust bearing has three vertical channels worn off replace connecting rod bearings, main bearings, thrust bearing and crankshaft. If working on a Corvette the oil tank with lines and oil cooler are both required to be replaced if equipped
This informational bulletin provides tips for showing a way to confirm if its a mechanical engine issue or not.
This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle...
Read full bulletin
engine oil consumption.
This bulletin provides information on common diesel engine tick noises and how they are considered part of normal...
Read full bulletin
operation and no parts should be replaced for these normal operating conditions.
This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or...
Read full bulletin
transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns.
N192264210 - Customer Satisfaction Program - Certain vehicles may have a condition in which the block heater cable function was disabled.
Read full bulletin
Dealers will replace the engine block heater and cord.
This Preliminary information communicatesA vehicle may have a concern of no oil pressure and/or P0521 set.the releif...
Read full bulletin
valve in the pump is sticking or the number 1 main bearing is damaged.Drop oil pan and confirm #1 main is spun or not.If bearings are OKThen change oil pump.
This preliminary information explains that there are differences between the Elevated Idle, PTO and High Idle options.
This engineering informational bulletin is requesting information clear the codes and perform the glow plug learn...
Read full bulletin
procedure.
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with...
Read full bulletin
conductive finish.
This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using...
Read full bulletin
the Tech 2 or GDS 2.
This Preliminary Information communication provides information to the technician about vehicles that have a Service...
Read full bulletin
Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Technician should use normal published Service Information diagnostics. If normal Service Information diagnostics does not isolate the concern, inspect for corrosion in connector X154 located on the front cover next to the vacuum pump.
This Preliminary Information communication provides information to the technician about a no start or another concern...
Read full bulletin
after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
This Preliminary Information communication provides information to the technician about vehicles that are equipped with...
Read full bulletin
6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option Code (M5U) Automatic Transmission, now have Powertrain Grade Braking. Powertrain grade braking assists when driving on a downhill grade to help maintain desired vehicle speed by using the engine and transmission to slow the vehicle.
This informational bulletin provides information for dealers/technicians on Oil Life Monitor Engine Control Module...
Read full bulletin
Update.
This informational bulletin provides information on Perceived Longer Crank, Misfire, Hesitation Feel and/or Surge...
Read full bulletin
conditions of the new L5P 6.6L Diesel Engine.
This Preliminary information communicates to the dealer technicians that the oil life monitoring system for 2019 Duramax...
Read full bulletin
6.6 L5P is under investigation by engineering.
This informational bulletin provides information on Perceived Longer Crank, Misfire, Hesitation Feel and/or Surge...
Read full bulletin
conditions of the new L5P 6.6L Diesel Engine.
This informational bulletin provides information on characteristics of the new engine versus the old engine.
This engineering informational bulletin is requesting information from the field to determine a root cause for a...
Read full bulletin
condition of Service Engine Soon (SES) Light On, DTCs P06C5, P06CC, P066A, P066C, P066E, P067A, P067C, P067E, P068C, P068E, P0671, P1337 and P133F Set.
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by...
Read full bulletin
General Motors against defects in material or workmanship under the New Vehicle Warranty (in Canada, the Base Warranty Coverage). For vehicles within this warranty period, defective tires will be replaced on a pro rata adjustment basis according to the published distance-based schedule.
This Preliminary Information communication provides information to the technician about the Upfitters questions about...
Read full bulletin
installing aftermarket electrical accessories. Dealer should reference the latest version of General Motors Upfitter Integration Bulletin 115 for this information. It can be found at http://www.gmupfitter.com.
This Preliminary Information communication provides information to the technician about fluid leaking from the brake...
Read full bulletin
caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.
This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise.
Read full bulletin
Technician should inspect the head gaskets to ensure are not installed backwards. Technician should replace the head gasket if they are found installed backwards.
This Preliminary Information communication provides information to the technician that a whine noise heard from the...
Read full bulletin
automatic transmission fluid pan hear with thethe key on and engine off, or for up to one minute after the vehicle has been shut off should be deemed a normal characteristic.
This Preliminary Information communication provides information to the technician that a customer may request the...
Read full bulletin
factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Technician will need to gain access to the body harness. Install trailer brake controller harness General Motors part number 23184088 into Middle Bus Electrical Center (X61A).
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles...
Read full bulletin
that have a no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be on when the ignition is in the run position. Technician may find Diagnostic Trouble Codes P0513 and or P262B may also be set. Technician will pulled the driver sill plate and inspect the wiring for damaged or corroded circuits. Technician will repair any damaged or corroded circuits.
This Preliminary Information communication advises the technician that there have been some reports that the current...
Read full bulletin
engine hours are not correct and display 0.0. Technician will need to program the Instrument Panel Cluster using Service Programming System.
Pre-Delivery & Maintenance
128 bulletinsThis service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may...
Read full bulletin
not pass California smog inspection or smog inspection in other states.
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
Read full bulletin
programs.
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for...
Read full bulletin
causing multiple customer concerns that do not have other diagnostic methods to identify them.
This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes...
Read full bulletin
E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
Read full bulletin
Only).
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
Read full bulletin
programs.
This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles...
Read full bulletin
before being sold (prepping) to the customer.
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles...
Read full bulletin
that request to disable or enable content.
This service bulletin provides information on proper use of floor mats.
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
Read full bulletin
programs.
This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S.
Read full bulletin
Only).
This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles...
Read full bulletin
before being sold (prepping) to the customer.
This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be...
Read full bulletin
shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
Read full bulletin
Only).
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
Read full bulletin
programs.
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center...
Read full bulletin
(WPC) Parts Return Program.
This warranty administration bulletin provides policy information, proper labor operation selection and causal part...
Read full bulletin
identification for warranty transactions (U.S. Only).
This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S.
Read full bulletin
and Canada Dealers Only).
The bulletin provides direction on how to locate the Temporary Service Part (TSP) form in GlobalConnect.
This service bulletin explains how to identify possible DEF system contamination.
This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to...
Read full bulletin
submit a Pre-Repair Authorization (PRA).
This service bulletin describes the U.S.
Read full bulletin
Dealer Special Tool Loan Program process.
This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal...
Read full bulletin
operation.
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part...
Read full bulletin
replacements.
This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S.
Read full bulletin
Dealers Only).
This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes...
Read full bulletin
E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under...
Read full bulletin
the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ.
This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer...
Read full bulletin
repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the returning vehicle.
This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling,...
Read full bulletin
Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode.
This warranty administration bulletin provides policy information to cover GMs policy on performing GM covered vehicle...
Read full bulletin
services and maintenance on vehicles originating/sold in Canada.
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part...
Read full bulletin
replacements.
This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and...
Read full bulletin
the warranty transaction submission procedures that support the Personal Property Damage process.
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
Read full bulletin
Only).
This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles...
Read full bulletin
before being sold (prepping) to the customer.
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for...
Read full bulletin
causing multiple customer concerns that do not have other diagnostic methods to identify them.
This service bulletin provides information on proper use of floor mats.
This service bulletin provides information for dealers/technicians on Over The Air (OTA) and In Market Enhancement (IME)...
Read full bulletin
FAQs.
This service bulletin provides technicians with information to help identify the differences between what is considered...
Read full bulletin
a fluid leak, and what is considered fluid seepage.
This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical...
Read full bulletin
Assistance Center (TAC).
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
Read full bulletin
Only).
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
Read full bulletin
programs.
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted...
Read full bulletin
Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be...
Read full bulletin
shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399,...
Read full bulletin
E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles...
Read full bulletin
that request to disable or enable content.
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate...
Read full bulletin
Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
This service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing...
Read full bulletin
Vehicle from Canada to the United States.
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center...
Read full bulletin
(WPC) Parts Return Program.
This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada...
Read full bulletin
Only).
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S.
Read full bulletin
and Canada Dealers Only).
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
Read full bulletin
Only).
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
Read full bulletin
Only).
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to...
Read full bulletin
submit a Pre-Repair Authorization (PRA).
This service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing...
Read full bulletin
Vehicle from Canada to the United States.
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to...
Read full bulletin
submit a Pre-Repair Authorization (PRA).
This Warranty Administration bulletin provides information on the proper use of the labor operation 0600014.
This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats...
Read full bulletin
warped or misshapen.
This service bulletin provides information for dealers/technicians on Over the Air (OTA) and In Market Enhancement (IME)...
Read full bulletin
FAQs.
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for...
Read full bulletin
causing multiple customer concerns that do not have other diagnostic methods to identify them.
This service bulletin describes the U.S.
Read full bulletin
Dealer Special Tool Loan Program process.
This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical...
Read full bulletin
Assistance Center (TAC).
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S.
Read full bulletin
Dealers Only).
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
Read full bulletin
Only).
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
Read full bulletin
Only).
This service bulletin explains how to identify possible DEF system contamination.
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
Read full bulletin
Only).
This service bulletin provides information on proper use of floor mats.
This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S.
Read full bulletin
Dealers Only).
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the...
Read full bulletin
vehicles before being sold (prepping) to the customer.
This service bulletin provides service information on new torque specification and installation procedure for ACDelco...
Read full bulletin
Spin-On Oil Filters.
This service bulletin explains how to identify possible DEF system contamination.
This Warranty Administration bulletin provides policy information on Causal Part requirements for transactions submitted...
Read full bulletin
to GM for payment.
This warranty administration bulletin provides policy information, proper labor operation selection and causal part...
Read full bulletin
identification for warranty transactions (U.S. Only).
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal...
Read full bulletin
operation.
This warranty administration bulletin provides policy information for variable diagnostic time allowances on select labor operations (U.S.
Read full bulletin
Only).
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under...
Read full bulletin
the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ.
This service bulletin provides information for dealers/technicians on the process to disable and enable passive...
Read full bulletin
unlocking.
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S.
Read full bulletin
Dealers Only).
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles...
Read full bulletin
that request to disable or enable content.
This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling,...
Read full bulletin
Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode.
This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and...
Read full bulletin
the warranty transaction submission procedures that support the Personal Property Damage process.
This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling,...
Read full bulletin
Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode.
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center...
Read full bulletin
(WPC) Parts Return Program.
This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada...
Read full bulletin
Only).
This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399,...
Read full bulletin
E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
This service bulletin provides information on Handling Requests for Modifications to Permanently Import/Export Vehicles Between the U.S.
Read full bulletin
and Canada.
This service bulletin provides service information on new torque specification and installation procedure for ACDelco...
Read full bulletin
Spin-On Oil Filters.
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for...
Read full bulletin
causing multiple customer concerns that do not have other diagnostic methods to identify them.
This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under...
Read full bulletin
the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ.
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
Read full bulletin
Only).
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to...
Read full bulletin
submit a Pre-Repair Authorization (PRA).
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
Read full bulletin
Only).
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to...
Read full bulletin
submit a Pre-Repair Authorization (PRA).
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
Read full bulletin
Only).
This warranty admin bulletin covers information on Essential Tools that include Consumable Parts.
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part...
Read full bulletin
replacements.
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats...
Read full bulletin
warped or misshapen.
This service bulletin provides service information on new torque specification and installation procedure for ACDelco...
Read full bulletin
Spin-On Oil Filters.
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the...
Read full bulletin
vehicles before being sold (prepping) to the customer.
This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S.
Read full bulletin
Dealers Only).
This service bulletin provides service information on new torque specification and installation procedure for ACDelco...
Read full bulletin
Spin-On Oil Filters.
This service bulletin provides policy information on warranty administration guidelines for multiple repairs with...
Read full bulletin
independent causes (GM Canada Dealers Only).
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part...
Read full bulletin
replacements.
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part...
Read full bulletin
replacements.
This service bulletin provides service information on new torque specification and installation procedure for ACDelco...
Read full bulletin
Spin-On Oil Filters.
This technical bulletin provides repair information to correct a customer concern of Service 4WD Message illuminated on...
Read full bulletin
Driver Information Center (DIC), DTCs C118D, C119B and/or C119C set.
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted...
Read full bulletin
Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front...
Read full bulletin
grille or radiator area.
This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada...
Read full bulletin
Only).
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
Read full bulletin
programs.
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the...
Read full bulletin
information found in the service manual.
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the...
Read full bulletin
vehicles before sold (prepping) to the customer.
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted...
Read full bulletin
Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
This warranty administration bulletin provide policy information to cover GMs policy on performing GM covered vehicle...
Read full bulletin
services and maintenance on vehicles originating/sold in Canada.
This informational bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles...
Read full bulletin
that may not pass California smog inspection or smog inspection in other states.
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a...
Read full bulletin
Pre-Repair Authorization (PRA) (US dealers only).
This Preliminary information communicates to the dealer technicians to refer to service bulletin 19-NA-109.
This warranty administration bulletin provide policy information to cover GM's policy on performing GM covered vehicle...
Read full bulletin
services and maintenance on vehicles originating/sold in Canada.
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the...
Read full bulletin
vehicles before sold (prepping) to the customer.
This warranty bulletin provides labor operation numbers for customer concerns Not duplicated (CCND).
This warranty administration bulletin provides policy information on required operating procedures.
Other
88 bulletinsThis preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
New Vehicle Monitoring Programs Section in IVH
This informational bulletin provides information on Anti-Chip Coating Appearance.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This Preliminary Information communication provides information to the technician about vehicles that may have a bump...
Read full bulletin
feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini...
Read full bulletin
50 terminal test probe, replacement terminals, and terminated leads.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini...
Read full bulletin
50 terminal test probe, replacement terminals, and terminated leads.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini...
Read full bulletin
50 terminal test probe, replacement terminals, and terminated leads.
This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling...
Read full bulletin
system and replace the parts that may be contaminated due to oil in system.
This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling...
Read full bulletin
system and replace the parts that may be contaminated due to oil in system.
This informational bulletin provides explanation of a normal condition of a loose fitting trailer hitch receiver in the...
Read full bulletin
gooseneck hitch ball.
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information...
Read full bulletin
and repair procedures.
This Preliminary information communicates to dealers GM is working on a solution for outdated Apps
This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high...
Read full bulletin
amount of dirt or dust which can migrate to the filler cap area.
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
This informational bulletin explains how the regen works for the DEF system and how it works at different levels.
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product...
Read full bulletin
Allegation Resolution (PAR) claim.
The informational bulletin advises the tech to use the glow plug bore cleaner to reduce the chance of soot building up...
Read full bulletin
on the glow plug causing a premature failure.
This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high...
Read full bulletin
amount of dirt or dust which can migrate to the filler cap area.
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product...
Read full bulletin
Allegation Resolution (PAR) claim.
This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when...
Read full bulletin
working on a LIN bus.
This informational bulletin provides information for the IPC odometer programming method quick reference guide.
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
This informational bulletin provides explanation of a normal condition of a loose-fitting ball receiver in the...
Read full bulletin
gooseneck.
The informational bulletin advises the tech to use the glow plug bore cleaner to reduce the chance of soot building up...
Read full bulletin
on the glow plug causing a premature failure.
This informational bulletin explains how the regen works for the DEF system and how it works at different levels.
This Preliminary information communicatesinformation on how dealers can contact the supplier for Associated Accessories...
Read full bulletin
offered through GM.
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
This informational bulletin explains how the regen works for the DEF system and how it works at different levels.
This informational bulletin explains how to identify possible DEF contamination.
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
This Preliminary information communicatesdirection and examples when diagnosing multiple DTCs, one of which includes...
Read full bulletin
U**** Byte 71 DTC.
This Preliminary information communicates diagnostics aids for rear view camera issues that may be encountered.
Information.
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
This informational bulletin explains how the regen works for the DEF system and how it works at different levels.
This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the...
Read full bulletin
gooseneck.
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product...
Read full bulletin
Allegation Resolution (PAR) claim.
This technical provides a procedure to check for a possible faulty Reductant Injector and replace if the cause of the...
Read full bulletin
customers concern.
This technical bulletin provides a procedure for the technician to check and tighten the CAC plumbing if found loose.
This informational bulletin explains how to identify possible DEF contamination.
This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
This Preliminary information communicatesinformation on how dealers can contact the supplier for Associated Accessories...
Read full bulletin
offered through GM.
This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information...
Read full bulletin
and repair procedures.
Customer Satisfaction Program.
Read full bulletin
Stock VIN List sent.
This Preliminary information communicates informationto diagnose DTC C056D or C056E.
Customer Satisfaction Program Closed Message sent.
This informational bulletin explains how the regen works for the DEF system and how it works at different levels.
This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or...
Read full bulletin
Fluctuate, No Crank, Start then Stall.
This informational bulletin explains how the regen works for the DEF system and how it works at different levels.
This informational bulletin explains how to identify possible DEF contamination.
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
This Preliminary information communicatesPossible Crank no start or extended crank with DTC p12A6 set current or...
Read full bulletin
history.Under Investigation
This technical bulletin provides a procedure to replace the cooling fan if found contacting the shroud causing the...
Read full bulletin
customers concern.
This Preliminary information communicates the possibility of dtc P12A6 with the possibility of a crank no start or...
Read full bulletin
extended crank concern.
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate.
Read full bulletin
Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
This technical bulletin provides a procedure to add washers on the lower column mounting bracket locations due to the...
Read full bulletin
shaft laying on the metal support at the bottom of the column.
This preliminary information bulletin provides a procedure for installing a aftermarket tool or utility box.
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S.
Read full bulletin
Technical Assistance (TAC).
This technical bulletin provides repair information to correct a customer concern of Phone Ringer Volume Turned Down or...
Read full bulletin
Too Quiet.
This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered...
Read full bulletin
normal operations.
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information...
Read full bulletin
and repair procedures.
This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada...
Read full bulletin
Only).
This informational bulletin provides information on comebacks prevention information and using customer concern...
Read full bulletin
verification sheets (CCVS).
This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the...
Read full bulletin
gooseneck.
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for...
Read full bulletin
causing multiple customer concerns that do not have other diagnostic methods to identify them.
This technical bulletin provides a procedure to change the diff fluid if found the cause of the customers concern.
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S.
Read full bulletin
Technical Assistance (TAC).
This technical bulletin provides a procedure to validate if the parking pawl actuator is not working as intended,...
Read full bulletin
causing the parking pawl to engage while driving.
This technical bulletin provides repair information to correct a customer concern of front seat lateral movement and/or...
Read full bulletin
click type noise while driving.
This informational bulletin provides the dealer with information on what to do when requesting a new key code for the...
Read full bulletin
customer.
This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high...
Read full bulletin
amount of dirt or dust which can migrate to the filler cap area.
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S.
Read full bulletin
Technical Assistance (TAC).
This technical bulletin provides repair information to correct a customer concern of front seat lateral movement and/or...
Read full bulletin
click type noise while driving.
This informational bulletin provides information on High Oil Pressure during Initial Start of Vehicle is considered a...
Read full bulletin
normal characteristic and no repairs should be completed for this condition.
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information...
Read full bulletin
and repair procedures.
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S.
Read full bulletin
Technical Assistance (TAC).
This informational bulletin provides information on comebacks prevention information and using customer concern...
Read full bulletin
verification sheets (CCVS).
This Preliminary information communicatesContent Theft Deterrent RPO UTJ is included and only available with Remote Vehicle Start RPO BTV.
Read full bulletin
If the vehicle is not equipped with Remote Vehicle Start RPO BTV the vehicle will not have Content Theft Deterrent.
This Preliminary Information communication provides information to the technician about vehicles that have water or dust...
Read full bulletin
from the openings under the bed rails near the stake pockets. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
Electrical
63 bulletinsThis Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
Read full bulletin
DTC'ss
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
Read full bulletin
DTC's
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage...
Read full bulletin
detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
Read full bulletin
DTC's
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
Read full bulletin
DTC's
This Preliminary Information communication provides information to the technician about vehicles that have an...
Read full bulletin
intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, B3935, C0750, C0755, C0760, C0765, and/or C0775.
This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use...
Read full bulletin
for certain repairs, such as Wiring Harness Repairs.
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage...
Read full bulletin
detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and...
Read full bulletin
warranty replacements.
This Preliminary Information communication provides information to the technician about vehicles that are found to have...
Read full bulletin
a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
This Preliminary information communicates a GM part number forreflective high temperature heat or insulating tape when...
Read full bulletin
repairing wiring harnesses.
This service bulletin provides information on key code security rules and information on GM keycode look-up applications...
Read full bulletin
(U.S).
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and...
Read full bulletin
warranty replacements.
Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles.
Read full bulletin
It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers.
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and...
Read full bulletin
warranty replacements.
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and...
Read full bulletin
warranty replacements.
This Preliminary Information communication provides information to the technician about vehicles that are found to have...
Read full bulletin
a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
This Preliminary information communicates a GM part number forreflective high temperature heat or insulating tape when...
Read full bulletin
repairing wiring harnesses.
This Preliminary Information communication provides information to the technician about vehicles that may have a radio...
Read full bulletin
backlighting will stay on even after the ignition has been turned off and the key has been removed for several minutes, eventually the battery will drain. Technician may find following fuses F23DL F22DL F30DL F31DL F32DL with the ignition key in the off position to have voltage. Technician should not replace the Transfer Case Control Module. Technician will need to install a diode, part number 12112422, across the coil of the solenoid. It is important that the striped end of the diode be connected to the positive terminal of the coil and the other end of the diode be connected to ground.
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and...
Read full bulletin
warranty replacements.
This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors...
Read full bulletin
if found the cause of the MIL.
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage...
Read full bulletin
detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
This Preliminary Information communication provides information to the technician about vehicles that have an...
Read full bulletin
intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors...
Read full bulletin
if found the cause of the MIL.
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and...
Read full bulletin
warranty replacements.
This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors...
Read full bulletin
if found the cause of the MIL.
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage...
Read full bulletin
detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
This Preliminary Information communication provides information to the technician about vehicles that are found to have...
Read full bulletin
a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
This service bulletin provides information on Module Harvesting.
This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to correct a...
Read full bulletin
condition of MIL Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set.
This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals...
Read full bulletin
but allow time for the sensor to thaw.
This Preliminary Information communication provides information to the technician with the correct way to remove the...
Read full bulletin
front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. There is a purple Terminal Position Assurance that will align itself in the release position when the release tool is inserted into the release hole. There is a metal locking tab on the terminal that will need to be pushed in before the terminal will pull out of the connector.
This technical bulletin provides a procedure for testing the battery cables for voltage drop, Checking for a bad ground...
Read full bulletin
at g218, Inspecting for a short at the starter B+ to shield and testing for a faulty battery.
This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical...
Read full bulletin
connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated - DTC P0333 Set.
This Preliminary Information communication provides information to the technician about vehicles that are found to have...
Read full bulletin
a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty...
Read full bulletin
replacements.
This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E.
Read full bulletin
Main cause is aftermarket electrical devices spliced into the ignition main fuses.
This technical bulletin provides a procedure to replace the Fuel Power Module if found the cause of the customers...
Read full bulletin
concern.
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage...
Read full bulletin
detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals...
Read full bulletin
but allow time for the sensor to thaw.
This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the...
Read full bulletin
customers concern.
This technical bulletin provides a procedure to update the GPCM if found the cause of the customers concern.
Hypertech Inline Speedometer Calibrator Module Installation Instructions
This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to...
Read full bulletin
the vent and route down the fuel feed line and secure with zip ties.
This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals...
Read full bulletin
but allow time for the sensor to thaw.
This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to...
Read full bulletin
the vent and route down the fuel feed line and secure with zip ties.
This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals...
Read full bulletin
but allow time for the sensor to thaw.
This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to...
Read full bulletin
the vent and route down the fuel feed line and secure with zip ties.
This informational bulletin provides information on key code security rules and information on GM keycode look-up...
Read full bulletin
applications.
This technical provides a procedure to locate, disconnect and re-connect the TCM electrical connector if found the cause...
Read full bulletin
of the customers concerns.
This informational bulletin provides information on key code security and information on GM key code look up...
Read full bulletin
applications.
This technical bulletin provides a procedure for testing the battery cables for voltage drop, Checking for a bad ground...
Read full bulletin
at g218, Inspecting for a short at the starter B+ to shield and testing for a faulty battery.
This Preliminary Information communication provides information to the technician about vehicles that may have any of...
Read full bulletin
these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information center, service tire pressure system, no audio, touch screen Inoperative, Steering Wheel Controls Inoperative, Service Stabilitrak, rear power windows inoperative, rear wiper inoperative, and or a dead battery. Technician may find Diagnostic Trouble Codes B3101, B144C, C0710, C0544, U1548, U1549, U154A, U0151, U0126, U0415, U0077, U0028 and/or U0029. Technician should inspect the left instrument panel for the wire harness being pinched. Technician will need to repair the wire harness and reroute the wire harness.
This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not...
Read full bulletin
when replacing a module.
This Preliminary information communicates a customer concern ofIPC gauges inoperative or fluctuate, No Start,No...
Read full bulletin
Crank,SIR Light / Service Airbag Message, Service Suspension Message,Radio display blank, Steering Wheel Controls (SWC) not illuminated, Turn Signal no audible feedback,HVAC controls inoperative. During diagnostics a technician may find any of the following DTC's: B1011, B1370, B3980, U0020, U0029, U007D, U0073, U0078, U0100, U0101, U0102, U0104, U0140, U0151, U0155, U0164,U0184, U0186, U0198, U0422. Dealer is instructed to check Serial Data Gateway Module X2 connector for terminal concerns and repair as needed.
This Preliminary Information communication provides information to the technician about vehicles that have a low voltage...
Read full bulletin
reading on the volt gauge during the first several minutes after a cold start. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
This Preliminary Information communication provides information to the technician about vehicles that are found to have...
Read full bulletin
a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC)...
Read full bulletin
and/or Battery Light is Flashing and the procedures to turn the Transport Mode message On and Off.
This warranty admin bulletin explains to the technician additional information may be needed when submitting...
Read full bulletin
transactions when doing wiring repairs.
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty...
Read full bulletin
replacements.
This Preliminary Information communication provides information to the technician about vehicles that have an...
Read full bulletin
intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
This Preliminary Information communication provides information to the technician with the correct way to remove the...
Read full bulletin
front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. There is a purple Terminal Position Assurance that will align itself in the release position when the release tool is inserted into the release hole. There is a metal locking tab on the terminal that will need to be pushed in before the terminal will pull out of the connector.
Fuel System
38 bulletinsThis warranty administration bulletin provides policy information on vehicles outside of a California Emissions State...
Read full bulletin
who move to and register their vehicle in a California Emission State may be entitled to the 7 year, 70,000-mile Emission Select State Component Limited Warranty.
This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for...
Read full bulletin
analysis.
This bulletin provides information on how to look for and test for DEF or water in the fuel system and what the specs...
Read full bulletin
should be.
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent...
Read full bulletin
additive.
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent...
Read full bulletin
additive.
This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the...
Read full bulletin
cause of excessive soot from the tailpipe.
This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel...
Read full bulletin
Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent...
Read full bulletin
additive.
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the...
Read full bulletin
fuel system caused by a failed part.
This Preliminary Information communication provides information to the technician about vehicles that may have a bump...
Read full bulletin
feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. The bump clunk issue may be due to fuel movement in the fuel tank when not completely full. The condition is eliminated after completely filling the fuel tank.
This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.
This informational bulletin provides information on Clean Exhaust Filter See Owner Manual Now or Cleaning Exhaust Filter...
Read full bulletin
Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent...
Read full bulletin
additive.
This service bulletin provides information on availability of Diesel Fuel additives.
This service bulletin provides information on availability of Diesel Fuel additives.
This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the...
Read full bulletin
cause of excessive soot from the tailpipe.
This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.
This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust...
Read full bulletin
Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the...
Read full bulletin
fuel system caused by a failed part.
This Preliminary Information communication provides information to the technician about vehicles that may have a bump...
Read full bulletin
feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. The bump clunk issue may be due to fuel movement in the fuel tank when not completely full. The condition is eliminated after completely filling the fuel tank.
This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a...
Read full bulletin
customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the...
Read full bulletin
fuel system caused by a failed part.
This service bulletin provides information on availability of Diesel Fuel additives.
This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the...
Read full bulletin
cause of excessive soot from the tailpipe.
This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.
This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust...
Read full bulletin
Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel...
Read full bulletin
Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
This service bulletin provides the technician with additional information on fuels, fuel additives and fuel management.
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent...
Read full bulletin
additive.
This service bulletin provides information on availability of Diesel Fuel additives.
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the...
Read full bulletin
fuel system caused by a failed part.
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent...
Read full bulletin
additive.
This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust...
Read full bulletin
Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the...
Read full bulletin
fuel system caused by a failed part.
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel...
Read full bulletin
Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
This Preliminary information communicates the location that dealers can find information to remove / delete the rear...
Read full bulletin
fuel tank from Chassis Cab trucks with RPO N2N dual fuel tanks.
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the...
Read full bulletin
fuel system caused by a failed part.
Body & Paint
35 bulletinsThis PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame...
Read full bulletin
Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier listed in the bulletin.
This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame...
Read full bulletin
Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier listed in the bulletin.
This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when...
Read full bulletin
addressing underbody component corrosion with customers.
This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that...
Read full bulletin
have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.
This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame...
Read full bulletin
peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass.
This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the...
Read full bulletin
shipping film.
This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement...
Read full bulletin
Guidelines.
This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame...
Read full bulletin
peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal...
Read full bulletin
characteristic.
This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed...
Read full bulletin
Aluminum Wheels.
This service bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces,...
Read full bulletin
Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax...
Read full bulletin
coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax...
Read full bulletin
coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass.
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when...
Read full bulletin
addressing underbody component corrosion with customers.
This Preliminary information communicates an issue where the minor tailgate will not open due to an aftermarket device...
Read full bulletin
installed on the vehicle.
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax...
Read full bulletin
coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This service bulletin provides information on Paintless Dent Repair Process.
This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement...
Read full bulletin
Guidelines.
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when...
Read full bulletin
addressing underbody component corrosion with customers.
This technical bulletin provides a procedure to correct the condition of Gap at Door Armrest Decorative Trim to the...
Read full bulletin
Armrest/Door Switch.
This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal...
Read full bulletin
characteristic.
This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and...
Read full bulletin
Replacement Guidelines.
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax...
Read full bulletin
coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This technical bulletin provides a procedure to install 2 way tape to correct a condition of Trailering Connector Loose...
Read full bulletin
Within Rear Bumper.
This Preliminary Information communication advises the technician the steps on diagnosing the concern.
Read full bulletin
Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when...
Read full bulletin
addressing underbody component corrosion with customers.
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax...
Read full bulletin
coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab...
Read full bulletin
due to water leak at rear sliding window.
This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that...
Read full bulletin
have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax...
Read full bulletin
coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This technical bulletin provides a procedure to replace the side mirror cameras if found the cause of the reduced key...
Read full bulletin
fob range.
This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables.
Read full bulletin
Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
This Preliminary Information communication provides the technician with weight capacity for the tailgate and cargo loops...
Read full bulletin
in the bed.
Transmission
26 bulletinsThe service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when...
Read full bulletin
the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear...
Read full bulletin
due to seeing grease or sealant on certain locations on the gear.
This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
This technical bulletin provides a procedure for the techs to replace the forward check ball and separator plate if...
Read full bulletin
found the cause of the customers concern of No Forward Gear When Shifting from Park to Drive and/or Reverse to Drive.
This technical bulletin provides a procedure for the techs to replace the forward check ball and separator plate if...
Read full bulletin
found the cause of the customers concern of No Forward Gear When Shifting from Park to Drive and/or Reverse to Drive.
GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities.
Read full bulletin
The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the dealers to be more careful not to damage the transmissions during removal and to package the core properly for return.
This technical bulletin provides a procedure for the techs to replace the forward check ball and separator plate if...
Read full bulletin
found the cause of the customers concern of No Forward Gear When Shifting from Park to Drive and/or Reverse to Drive.
This technical bulletin provides a procedure for the techs to replace the forward check ball and separator plate if...
Read full bulletin
found the cause of the customers concern of No Forward Gear When Shifting from Park to Drive and/or Reverse to Drive.
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
This information bulletin advises the technician the difference between a welch cap leak and the output seal of the...
Read full bulletin
t-case or transmission leaking ATF, causing the customer concern of a Red Fluid Leak from Center of Vehicle Located by Rear of Transmission or Transfer Case Area.
The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when...
Read full bulletin
the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
This information advises the technician the difference between a welch cap leak and the output seal of the t-case or...
Read full bulletin
transmission leaking ATF causing the customers concern.
This Preliminary Information communication provides information to the technician about vehicles that may have a delayed...
Read full bulletin
engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th gears. This may be due to loose stator support to pump cover bolts causing a leak at the stator support to pump cover gasket. Technician will check for the bolts to be loose. If any of the bolts are loose or the gasket is misaligned or leaking, the transmission pump cover must be replaced and the 1234 clutch plates should be inspected for being distressed and repaired as needed.
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2...
Read full bulletin
software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
This informational bulletin explains how the trans slip or flare can be a normal condition.
This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear...
Read full bulletin
due to seeing grease or sealant on certain locations on the gear.
This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow...
Read full bulletin
test.
This technical bulletin provides a procedure to clear the codes and test the Tcase if found that the customer has tried...
Read full bulletin
to shift the t-case from 4lo to Hi gears while driving.
This informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if...
Read full bulletin
no problem was found, to replace the tbv.
This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM...
Read full bulletin
for metal.
This technical bulletin provides a procedure to replace the transmission shifter control if found the cause of the...
Read full bulletin
condition.
This informational bulletin explains possible normal condition of a flare from 1st to 2nd, even if the trans had been...
Read full bulletin
repaired for the flare and its still noticed.
This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM...
Read full bulletin
for metal.
Lighting
22 bulletinsThis preliminary information communicates an issue with aftermarket LED headlights causing IPC warning messages and MIL...
Read full bulletin
along with several low speed lan DTCs.
Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a...
Read full bulletin
written notice to GM before filing a lawsuit seeking a vehicle repurchase. If such a notice is not provided to GM, then the vehicle owner is prevented from seeking civil penalties in litigation. Vehicle owners of the affected vehicles will be mailed an owners manual and warranty insert containing this information in English and Spanish.
Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a...
Read full bulletin
written notice to GM before filing a lawsuit seeking a vehicle repurchase. If such a notice is not provided to GM, then the vehicle owner is prevented from seeking civil penalties in litigation. Vehicle owners of the applicable vehicles will be mailed an owners manual and warranty insert containing this information in English and Spanish.
This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or...
Read full bulletin
Replaced During Warranty Coverage Period.
This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance...
Read full bulletin
Schedules.
This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or...
Read full bulletin
Replaced During Warranty Coverage Period.
This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed...
Read full bulletin
Accessories.
This technical bulletin provides a procedure to correct the condition of Malfunction Indicator Lamp Illuminated with...
Read full bulletin
DTCs P2463 P2459 P11FB P11D3.
This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in...
Read full bulletin
Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty...
Read full bulletin
Coverage Period.
This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE)...
Read full bulletin
Tires and PDI installed Limited Production Option (LPO) Tires.
This Preliminary information communicates to dealers of a known issue with failed map update
This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or...
Read full bulletin
Fog/Driving Lamp Damage.
This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed...
Read full bulletin
Accessories.
This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in...
Read full bulletin
Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty...
Read full bulletin
Coverage Period.
This service bulletin provides information on Dealer Installed LPO Wheel Installation and Return Process.
This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty...
Read full bulletin
Coverage Period.
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities.
Read full bulletin
This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.
This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE)...
Read full bulletin
Tires and PDI installed Limited Production Option (LPO) Tires.
This informational bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During...
Read full bulletin
Warranty Coverage Period.
This informational bulletin explains normal operation of HID bulbs when driving over road irregularities.
Brakes
22 bulletinsThis Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when...
Read full bulletin
theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when...
Read full bulletin
theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and...
Read full bulletin
strut due to fluid leak.
This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and...
Read full bulletin
strut due to fluid leak.
This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive...
Read full bulletin
disk on gasket sealing surfaces or reused parts.
This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when...
Read full bulletin
theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
This technical bulletin provides information and a solution to a condition of Brake Pedal Moves or Self Applies at Full...
Read full bulletin
Turns.
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle...
Read full bulletin
that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive...
Read full bulletin
disk on gasket sealing surfaces or reused parts.
This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need...
Read full bulletin
to be replaced if the brake pedal moves or applies on its own at a full turn.
This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive...
Read full bulletin
disk on gasket sealing surfaces or reused parts.
This service bulletin provides information for dealers/technicians on Stone Chip/Membrane Damage, Broken Connector...
Read full bulletin
and/or Sensor Retaining Tabs, and/or Paint Damage of Park Assist Sensors.
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle...
Read full bulletin
that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair...
Read full bulletin
vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver Information Center. Technician will inspect and clean the ground wire (normally white wire) connection on the trailer side of the 7-pin connector. Inspect that the wires inside the trailer side connector are clean and securely fastened. If the vehicle?s 7-way connector socket terminals are deformed or have excessive wear, it will be necessary to replace the truck side connector with part number 23404450.
Customer Satisfaction Program - Certain vehicles may have a condition in which the electronic brake controlmodule is...
Read full bulletin
less likely to activate the optional integrated brake assist. Normal braking capability functions as intended. Dealers are to reprogram the front view camera by performing the SPS Programming/SPS Configuration/GDS2 Learn.
Customer Satisfaction Program - Certain 2019 model year GMC Sierra 2500/3500 vehicles, may have incorrect language in...
Read full bulletin
the Forward Auto Braking (FAB) section of the owner manual which states, ?If the vehicle has Forward Collision Alert (FCA), it also has FAB which includes Intelligent Brake Assist (IBA)?. This statement is correct for light duty trucks but the heavy duty models only have the Forward Collision Alert. Customer to receive an owner manual insert. Dealers are to print and install the owner manual insert on unsold vehicles.
This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly...
Read full bulletin
abrasive disk on gasket sealing surfaces or reused parts.
This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need...
Read full bulletin
to be replaced if the brake pedal moves or applies on its own at a full turn.
This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or...
Read full bulletin
Traction control lights/message on, Service Power Steering System, Service Suspension System, and or Loss of communication with EBCM, SWPS, PSCM, and/or SCM. Technician may find Diagnostic Trouble Codes U0077, U0121, U0126, U0131, U0139, U0401, U0415, and/or U0428. Technician should remove the driver and passenger sill plate to gain access to the wire harness. If any open, damaged, or corroded wires should be repaired.
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair...
Read full bulletin
vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver Information Center. Technician will inspect and clean the ground wire (normally white wire) connection on the trailer side of the 7-pin connector. Inspect that the wires inside the trailer side connector are clean and securely fastened. If the vehicle?s 7-way connector socket terminals are deformed or have excessive wear, it will be necessary to replace the truck side connector with part number 23404450.
This Preliminary Information communication provides information to the technician about vehicles that have a Shudder,...
Read full bulletin
bounce, bucking from the rear of the truck while braking when towing a gooseneck or fifth wheel trailer. Technician will need to measure the actual truck and trailer weights, with the trailer loaded to the point that exhibits the condition. If any weight parameter is exceeded such as the Front Gross Axle Weight Rating, Rear Gross Axle Weight Rating, Gross Vehicle Weight Rating, or Gross Combined Weight Rating the load must be reduced before investigating further. If evaluation of the trailer’s brakes indicates trailer brake capability is adequate, adjust brake controller per the Trailer Gain Adjustment Procedure described in the Driving and Operating section of the Owner’s Manual and evaluate truck and trailer combination for braking shudder.
Tires & Wheels
16 bulletinsThis Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks...
Read full bulletin
and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire and Loading Label" will ensure the safe handling and ride characteristics of the truck and should not be lowered.
This service bulletin provides information on Tire Sidewall Irregularities.
This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM...
Read full bulletin
Vehicles.
This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks...
Read full bulletin
and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire and Loading Label" will ensure the safe handling and ride characteristics of the truck and should not be lowered.
This informational bulletin provides information on Wheel Balancer Mounting Instructions.
This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks...
Read full bulletin
and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire and Loading Label" will ensure the safe handling and ride characteristics of the truck and should not be lowered.
This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all...
Read full bulletin
repairs requiring balance and Road Force measurement.
This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are...
Read full bulletin
Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).
This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all...
Read full bulletin
repairs requiring balance and Road Force measurement.
This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are...
Read full bulletin
Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).
This service bulletin provides information for tire pressure monitoring (TPM) system concerns.
This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate...
Read full bulletin
ride characteristics of GM cars and trucks.
The complete Communication ID is: RFI20210526_939-187 and was communicated to customers on May 26, 2021.
Read full bulletin
The Communication ID field did not permit me to enter the complete Communication ID as it is in our internal system. This product is a steel wheel. The customer communication requested return of unsold inventory to inspect the wheel for material dimension. If the material fails to meet the manufacturing specification, the wheel may not perform as expected. If the wheels are not returned, then warranty rate may increase. This product affects the following vehicles: 2011-2019 Chevrolet Silverado 2500HD & 3500HD, 2011-2019 GMC Sierra 2500HD & Sierra 3500HD.
This informational bulletin provides information for dealers/technicians on Use of Nitrogen Gas in Tires.
This SKU is a Tire Hoist Assembly.
Read full bulletin
The customer communication requested return of unsold inventory to inspect for the shape of the centerpiece of the tire hoist being round when it should be square. If the centerpiece is the incorrect shape then the tire hoist cannot be operated with the OE tools, and the end user would therefore not be able to lower the spare tire with the vehicles original tools.
Steering
9 bulletinsThis service bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or...
Read full bulletin
fluid leak concern that is caused during extremely low temperatures.
This informational bulletin provides information on Steering Bump or Clunk Noise on Rough Roads or Potholes.
This service bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or...
Read full bulletin
fluid leak concern that is caused during extremely low temperatures.
This informational bulletin explains there is another steering hose that can be used for cold weather drivers that...
Read full bulletin
experience a steering hose leak.
This technical bulletin provides repair information to correct a customer concern of Intermittent "Service Steering...
Read full bulletin
Column Lock" message displayed with U0155 Set.
This informational bulletin explains there is another steering hose that can be used for cold weather drivers that...
Read full bulletin
experience a steering hose leak.
This technical bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise...
Read full bulletin
or fluid leak concern that is caused during extremely low temperatures.
This informational bulletin provides information for the customer to pair their phone in order for the push to talk...
Read full bulletin
button on the steering wheel control to work.
This Preliminary Information communication provides information to the technician about vehicles that show a "Take...
Read full bulletin
Steering" message on the Driver Information Center along with a warning chime/alert. Dealer should be advised the purpose of the message is to alert the driver that the Lane Keep Assist system has not detected active steering input from the driver (hands off the steering wheel).
HVAC & Climate
8 bulletinsThis service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold...
Read full bulletin
weather climates and testing those batteries.
This Preliminary Information communication advises the technician that some vehicles may have a dim Driver Information...
Read full bulletin
Center when the interior of the vehicle is hot from a sun load or extended heater operation. The Driver Information Center is designed to dim with high temperature exposure. This is done to protect the Driver Information Center from damage.
This Preliminary information communicates an issues will low or poor heater performance on the drivers side.
Read full bulletin
Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core.
This Preliminary Information communication advises the technician that some vehicles may have a dim Driver Information...
Read full bulletin
Center when the interior of the vehicle is hot from a sun load or extended heater operation. The Driver Information Center is designed to dim with high temperature exposure. This is done to protect the Driver Information Center from damage.
This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
This technical bulletin provides a procedure to install a pice of foam between the heater core pipes to correct the...
Read full bulletin
customers concern.
Block Heater Restore
Suspension
6 bulletinsThis service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise...
Read full bulletin
from Rear Leaf Springs.
This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise...
Read full bulletin
from Rear Leaf Springs.
This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise...
Read full bulletin
from Rear Leaf Springs.
This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak...
Read full bulletin
noise from the metals making contact.
This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak...
Read full bulletin
noise from the metals making contact.
This Preliminary Information communication provides information to the technician about vehicles that have a vibration at highway speed.
Read full bulletin
Technician will need to replace the wheel for a rolled lip of aluminum in the hub opening.
Hybrid & EV
4 bulletinsThis service bulletin provides information on AGM batteries that require less frequent charging in storage.
This service bulletin provides information on AGM batteries that require less frequent charging in storage.
This Preliminary information communicates an issue with aftermarket USB chargers causing SIR DTC's to set.
This Preliminary information communicates an issue with aftermarket USB chargers causing SIR DTC's to set.
Air Bags & Safety
3 bulletinsThis Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
This service bulletin provides information on regular inspection of the Seat Belt Lap Anchor.
This service bulletin provides information on availability for a seat belt extender.
Software & Calibration
3 bulletinsThis service bulletin provides technicians with updated information to help identify the differences between what is...
Read full bulletin
considered a fluid leak, and what is considered fluid seepage.
This service bulletin provides technicians with updated information to help identify the differences between what is...
Read full bulletin
considered a fluid leak, and what is considered fluid seepage.
This Preliminary information communicates information to dealers advising certain Over the air updates and USB updates...
Read full bulletin
have been temporarily suspended.
Infotainment
3 bulletinsThis service bulletin provides information for dealers/technicians on Handsfree Apple Iphone Call Static conditions...
Read full bulletin
equipped with IOB Radio.
This informational bulletin provides information on Loss of Phone Pairing or Favorites, Last Setting of Volume, Station,...
Read full bulletin
App, and Audio Settings Change When Vehicle Shuts Down in Demo Mode and that this is considered a normal characteristic of the vehicle in demo mode.
This Preliminary information communicates repair information for therear vision camera or surround vision camera image...
Read full bulletin
being: - Yellow - Blurry -Distorted - Image scrolling - Image with NO gridlines - Screen is blue with gridlines - Screen is blue with Service Rear Vision System message