2025 Chevrolet Silverado 1500 TSBs
475 Technical Service Bulletins across 17 categories
Categories
Engine
108 bulletinsThis Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently...
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investigating.
This preliminary information communicates an issue with a service column lock message and DTC U3000.
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Engineering is working on the issue and in the meantime dealerships are to reset/clear the DTC and perform four sleep cycles to verify the DTC does not return.
This PI is created to inform GM dealers that some vehicles may intermittently fail to connect wireless Apple CarPlay or...
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Android Auto after Bluetooth pairing during the first key cycle. The condition is caused by a software anomaly. Do not replace parts. Engineering is investigating the root cause; customers may continue to drive the vehicle. This PI will be updated or replaced by a TSB once a resolution is determined.
This PI communications information that Engineering has released an OTA to correct the Service Driver Assist message...
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with current DTC B1B2F Telematics Control Module and U1624 Image Processing Control Module setting.
Fixes to help ensure proper functionality for heating and cooling features.
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Improvements to night mode lights for shifting gears. Fixes for Daytime Running Lamps turning on when set to Off. Fixes to help prevent erroneous missing key messages on driver display. Fixes for accuracy of low tire pressure alert. Fixes for speed threshold for pedestrian alerts. Improvements to start reliability and reduced check engine light activation Improvements to turbo system diagnostics Improvements to reliability when extending the running boards on your vehicle Improves transmission diagnostic software. Reduces unnecessary check engine light activations. Fixes to help extend coolant valve life through diagnostic changes
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently...
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investigating.
This Preliminary information communicates to the technician on the a potential cause for Buzz/rattle/vibration/ from the...
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passenger side when the vehicle is under light load, with a 3.0L LZ0 Engine. It also addresses the potential for a slow/no crank or not charging.
Certain vehicles listed above may have a condition in which the vehicle may shift out of park without key fob inside...
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vehicle while in "Protected Idle" Mode. Dealers will update the BCM software. Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
This PI communications information that Engineering is investigating the Service Driver Assist message with current DTC...
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B1B2F Telematics Control Module and U1624 Image Processing Control Module setting.
The purpose of this PI is to inform dealer technicians of a normal cab pressure relief valve noise to avoid unnecessary...
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part replacement
This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed.
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Engineering is working on a new HVAC door seal material to correct the noise.
This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on...
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part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.
This preliminary information is to inform technicians and customers that the voice command will be inoperative when trying to open applications.
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Engineering is investigating and this PI will be converted to a bulletin when a repair is available.
The document advise technicians after an engine repair involving removal of the camshaft actuators, the vehicle may set...
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p1101 P0172 and or stalls when taken off idle. The technician is instructed to verify the intake and exhaust camshaft actuators are installed onto the correct camshafts.
The document makes technicians aware of a valvetrain tick noise that is created by one or more soft hydraulic valve lash adjusters.
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The soft lash adjuster concern is due to debris from the valve rocker arm, entering into the lash adjuster. The document instructs the technician to replace all of the lash adjusters and rocker arms in the entire engine if any soft lash adjusters are found.
This PI communications information that Engineering is investigating the Service Driver Assist message with current DTC...
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B1B2F Telematics Control Module and U1624 Image Processing Control Module setting.
This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on...
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part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does...
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not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently...
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investigating.
This PI communicates information informing dealers that Engineering is aware of the clunk noise and is currently...
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investigating a root cause.
This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera.
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Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 152. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
The document makes technicians aware of a valvetrain tick noise that is created by one or more soft hydraulic valve lash adjusters.
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The soft lash adjuster concern is due to debris from the valve rocker arm, entering into the lash adjuster. The document instructs the technician to replace all of the lash adjusters and rocker arms in the entire engine if any soft lash adjusters are found.
This Preliminary information communicates to the technician on the a potential cause for Buzz/rattle/vibration from the...
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passenger side when the vehicle is under light load, with a 3.0L LZ0 Engine.
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the...
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possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
The document makes technicians aware of a valvetrain tick noise that is created by one or more soft lifters.
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The soft lifter concern is due to manufacturing debris within the lifter when it was manufactured. The document instructs the technician to replace the soft lifter(s) and the rocker arm it operates.
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the...
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possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
This Preliminary information communicates the possibility of injector related DTC's with malfunction indicator lamp on...
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and potential rough idle
This Preliminary information communicates an issue with blower motor speed changing when air flow is blocked by snow.
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does...
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not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
This preliminary information advises dealers that Engine Control Module designation E01 is on a ordering restriction...
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through technical assistance.
This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed.
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Engineering is working on a new HVAC door seal material to correct the noise.
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe...
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internal engine damage.
This Preliminary Information communication provides information to the technician about vehicles that have had multiple...
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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 PI communications information that Engineering is investigating the Service Driver Assist message with current DTC...
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B1B2F Telematics Control Module and U1624 Image Processing Control Module setting.
This preliminary information advises dealers that Engine Control Module designation E01 is on a ordering restriction...
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through technical assistance.
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the...
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possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
PIP6091 was created to advise technicians engineering is aware of a misfire during a passing maneuver is being...
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investigated.
This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed.
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Engineering is working on a new HVAC door seal material to correct the noise.
This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of...
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engine related shudder.
This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction...
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through technical assistance.
This Preliminary Information communication provides information to the technician about fluid leaking from the brake...
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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 an issue with an SES MIL and reduced power steering, and brake assist that...
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engineering is working on a fix.
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the...
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possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
This Preliminary information communicates information to inform dealer there is a check valve in the washer fluid hose...
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that connects to the washer pump.
This engineering information (EI) closure ends the need for gathering further information from field in regard to fluid...
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leaking at the output seal and/or leaking at the front slip yoke (welch plug leak).
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the...
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possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction...
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through technical assistance.
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the...
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possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently...
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investigating.
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the...
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possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
Updates to reduce erroneous engine alerts.
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Improvements to accuracy of alerts. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
This Preliminary information communicates the possibility of injector related DTC's with malfunction indicator lamp on...
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and potential rough idle
Improves Check Engine Light accuracy.
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Improves behavior of aero shutter system in freezing temperatures. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
This Preliminary information communicates A vehicle may have a concern of any of the following DTC's set P3189 P318A...
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P318B P318C P318D P318E P318F P3190. Informs dealer to perform a crankshaft variation relearn, Also notes that SI may not isolate.
This bulletin provides a procedure to overhaul the control valve to replace a plate and worn down check ball to correct...
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the customers concern of No Reverse, No Shift Past Third Gear - DTC P2732 Set.
Pi was created to advise dealers of an issue GM Engineering is investigating where the mute and home buttons are inop on...
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radio display
This preliminary information advises dealers of a potential ignition coil failure that could cause an engine misfire...
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that could be misdiagnosed as a fuel injector.
This PI communicates a procedure to clean oil leaking from the rain sensor.
This Preliminary information communicates an issue with the SES MIL and DTC P062B P060C and engineering is currently...
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investigating.
This Preliminary information communicates an issue with the SES MIL and DTC P062B P060C and engineering is currently...
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investigating.
This Preliminary information communicates Engineering is investigating a no audio issue.
This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction...
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through technical assistance.
This engineering informational bulletin is requesting information from technicians to perform the check list provided...
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and contact the engineer listed in regards to the Malfunction Indicator Lamp (MIL) illuminated on Driver Information Center (DIC).
This bulletin advises the tech that the Exhaust Roller Follower may be the issue with the engine Ticking noise, misfire...
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or rough run and what to replace if found the cause.
This bulletin provides a procedure to program the TCM if found the cause of a customers concern of shudder, shake, or...
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misfire while driving between 25 to 60 MPH (40 to 97 KPH.
This engineering information (EI) closure ends the need for gathering further information from technicians in regard to...
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having the Service Engine Soon, Service Emission System, and/or Service Exhaust Fluid System Message on Driver Information Center.
This Preliminary information communicates that you may notice a black screen on their radio display.
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This can happen for a period of a couple seconds or the entire ignition cycle. Engineering is aware of the issue and investigating.
This Preliminary information communicates to technicians diagnostics for 8 speed transmission shudders caused by a...
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potential engine concern and/or a possible faulty HO2S sensor 1
This Preliminary information communicates an issue with the engine harness chaffing on an a/c pipe causing communication...
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issues.
This Preliminary information communicates the possibility of DTCP30BFfailing on low mile vehicles due to the possibility...
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of the cylinder 1/2 sliding barrel binding on intake camshaft.
This engineering information (EI) is requesting information from technicians to perform the check list provided and...
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contact the engineer listed in regard to fluid leaking at the output seal and/or leaking at the front slip yoke (welch plug leak).
Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise.
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Dealers will update the Engine Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.
This Preliminary information communicates an issue with the SES MIL and DTC P062B /P060Cand engineering is currently...
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investigating.
This informational bulletin advises the technician that the gasket for the timing chain tensioner is not required.
This engineering information (EI) is requesting information from technicians to perform the check list provided and...
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contact the engineer listed in regard to the Malfunction Indicator Lamp (MIL) illuminated on the Driver Information Center (DIC), DTC P060C Set.
This Preliminary information communicates the possibility of injector related DTC's with malfunction indicator lamp on...
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and potential rough idle
This Preliminary information communicates the possibility of injector related DTC's with malfunction indicator lamp on...
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and potential rough idle
This Preliminary information communicates information to inform dealer there is a check valve in the washer fluid hose...
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that connects to the washer pump.
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently...
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investigating.
This Preliminary information communicates an issue with unwanted opening of the sunroof.
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GM engineering is working ona design improvement, but in the meantime the sunroof will be disabled by removing its fuse.
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does...
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not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
This Preliminary information communicates an issue with blower motor speed changing when air flow is blocked by snow.
This Preliminary Information communication provides information to the technician about vehicles that have an unusual...
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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 Preliminary information communicates the possibility of injector related DTC's with malfunction indicator lamp on...
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and potential rough idle
This Preliminary information communicates an issue with unwanted opening of the sunroof.
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GM engineering is working ona design improvement, but in the meantime the sunroof will be disabled by removing its fuse.
This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed.
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Engineering is working on a new HVAC door seal material to correct the noise.
General Motors has decided to conduct a voluntary emissions recall.
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The Vehicle Emissions Control Information (VECI) label may not include all required information. Dealers are to install a new VECI label.
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines...
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and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
This Preliminary Information communication provides information to the technician about fluid leaking from the brake...
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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 engineering informational bulletin is requesting information from technicians to perform the check list provided...
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and contact the engineer listed in regards to having the Service Engine Soon, Service Emission System, and/or Service Exhaust Fluid System Message on Driver Information Center.
This engineering informational bulletin is requesting information from technicians to perform the check list provided...
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and contact the engineer listed in regards to having the Service Engine Soon, Service Emission System, and/or Service Exhaust Fluid System Message on Driver Information Center.
This service bulletin advises the technician of possible coolant entering the areas of the engine, either through failed...
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parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running rough.
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or...
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GDS 2.
This informational bulletin provides information for dealers/technicians on High Output Engine Calibration Installation...
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Process.
This informational bulletin advises the technician on normal noises produced by the engine and to explain this to the...
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customer.
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft...
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issue.
This engineering information (EI) closure ends the need for requesting further information from technicians in regard to...
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having the Malfunction Indicator Lamp (MIL) illuminated on Driver Information Center (DIC).
This Preliminary information communicates an issue with setting up the trailering features if the trailer height is over 119 inches.
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Engineering is working on new video processing module software to correct this concern, but in the meantime customers can enter of 118 inches to allow the system to calibrate.
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument...
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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 Preliminary information communicates the possibility of injector related DTC's with malfunction indicator lamp on...
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and potential rough idle
This informational bulletin advises the tech to look at a possible valve body control and to use DTC P2818 as a diag...
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route to help verify the customers concern.
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...
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consumption.
This bulletin provides information on Policies Applicable to All U.S.
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Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
Your Vehicle keeps getting better.
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A vehicle software update is ready for you to install. This update includes the following if your vehicle is equipped: Refinements Fixes false check engine and reduced engine power alerts after remote start Fixes false warning light during heavy towing Enjoy this update. Better Never Stops
This service bulletin provides graphics, information and guidelines for engine component wear to assist service...
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personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
Other
78 bulletinsThis preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements.
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They should follow the notes mentioned prior to anything being replaced.
This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This Preliminary information communicates to the technicians a diagnostic tip if a technician loses communication with...
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the image processor #2 and how to restore communication
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
This Preliminary information communicates where to find the back antenna for learning new key fobs.
This PI provides diagnostic steps for dealer technicians to verify the condition and ensure that part replacement is...
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necessary
This Preliminary information communicates recovery procedure after return to dealer message.
This Preliminary information communicates recovery procedure after return to dealer message.
This PI states that if SDGM DTC U3000 Sym 49 is set and no other SDGM DTCs are present, clear DTCs and reset the SDGM.
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Advises of how to contact PQC to authorize SDGM replacement.
This PI states that if SDGM DTC P0604/P0607 is set and no other SDGM DTCs are present, clear DTCs and reset the SDGM.
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Advises of how to contact PQC to authorize SDGM replacement.
Pi created to provide GM dealers with information on gathering information for projection issue
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
This PI provide diagnostic tip for an SES MIL with DTC P16A7 and/or P16AF.
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Dealers are to inspect for a loose connection.
PI created to provide dealer technicians with procedures for updating Google Maps.
This Preliminary information communicates how to change a regular vehicle to fleet mode that was not built with the...
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option.
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical...
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Assistance Case in CX Connect.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This Preliminary information communicates to the field about The NFC key card not being available on the listed models...
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listed in the PI
This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements.
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They should follow the notes mentioned prior to anything being replaced.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements.
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They should follow the notes mentioned prior to anything being replaced.
This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements.
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They should follow the notes mentioned prior to anything being replaced.
Certain vehicles listed above may have a condition in which the jack kit lifting rod is out of specification.
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Dealers will replace the jack handle components.
PI created to inform customers and dealers of a normal operating characteristic
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
This Preliminary information communicates to dealers that these programing concerns are being looked into.
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 communicates an issue with super cruise unavailable due to the driver's monitoring camera...
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and dealers to replace the camera.
This Preliminary information communicates where to find the back antenna for learning new key fobs.
This Preliminary Information communication provides information to the technician about vehicles that may have a bump...
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feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini...
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50 terminal test probe, replacement terminals, and terminated leads.
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
Customer Satisfaction Program.
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Certain vehicles listed above may have improper lubrication of the rear axle assembly. Dealers will replace the rear axle.
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...
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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...
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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...
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50 terminal test probe, replacement terminals, and terminated leads.
This Preliminary information communicates a possible retainer ring dis-lodged fora DTC P2714, may not have reverse as...
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well.
This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling...
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system and replace the parts that may be contaminated due to oil in system.
This informational bulletin advises the technician of which pan to use if the LCE has been replaced and to install an...
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aluminum pan should be used with a new LCE.
This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end.
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Dealers are to inspect for something contacting the grill shutters as they open and close.
This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling...
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system and replace the parts that may be contaminated due to oil in system.
This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how...
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the dealership can resolve the issue.
This Preliminary information communicates recovery procedure after return to dealer message.
This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise...
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coming from the rear of the vehicle.
This technical bulletin provides repair information to correct a customer concern of Diagnostic Tips For Park Assist Off...
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Message / Unwanted Or False Park Assist Alerts / No DTCs.
This bulletin helps aid the tech in possible noise that may be normal or abnormal depending on the concern noted.
This Preliminary information communicates recovery procedure after return to dealer message.
This Preliminary information communicates a possible retainer ring dis-lodged fora DTC P2714, may not have reverse as...
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well.
This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end.
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Dealers are to inspect for something contacting the grill shutters as they open and close.
This Preliminary information communicates a possible retainer ring dis-lodged fora DTC P2714, may not have reverse as...
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well.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found...
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by a possible faulty trailer connector.
This Preliminary information communicates recovery procedure after return to dealer message.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This Preliminary information communicates a possible retainer ring dis-lodged fora DTC P2714, may not have reverse as...
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well.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This informational bulletin advises the technician of which pan to use if the LCE has been replaced and to install an...
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aluminum pan should be used with a new LCE.
This Preliminary information communicatesDiagnostic Tips When Having Difficulties Programming Or Adding Key Fobs /...
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Transmitters.
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information...
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and repair procedures.
This Preliminary information communicates recovery procedure after return to dealer message.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This Preliminary information communicates a possible retainer ring dis-lodged fora DTC P2714, may not have reverse as...
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well.
This Preliminary information communicates to GM dealers there is a concern with a noise on phone calls and the concern...
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is being researched.
This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
This informational bulletin advises the tech and the customer of a normal DEF operation while under high load conditions...
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and when the time is right to fill the DEF at that time frame.
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information...
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and repair procedures.
This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high...
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amount of dirt or dust which can migrate to the filler cap area.
This Preliminary information communicates information to direct to GM Upfitter bulletin 193 for installation...
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instructions for the 9L7 Upfitter Switches.
This Preliminary information was created to communicate to dealers that the GCW message can be turned off thru settings.
This bulletin provides a procedure to perform a diagnostic check to verify if DTCs P18AE and/or P0700 Set returns when...
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reset and to clear the codes and validate code does not set again.
This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise...
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coming from the rear of the vehicle.
Infotainment
68 bulletinsThis Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers a procedure to reset the radio.
This PI is created to inform GM dealers that some vehicles may intermittently fail to connect wireless Apple CarPlay or...
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Android Auto after Bluetooth pairing during the first key cycle. The condition is caused by a software anomaly.
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC...
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display
This update contains a required software change to help improve the overall software update and diagnostics process.
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Be sure to install this update to be able to receive future software updates. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior.
This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and...
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how to reset/clear the message.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers a procedure to reset the radio.
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
This Preliminary information communicates to dealers a procedure to reset the radio.
This Preliminary information communicates to dealers steps to follow to recover an IOK radio.
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC...
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display
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
This Preliminary information communicates to dealers a procedure to reset the radio.
This Preliminary information communicates to dealers a procedure to reset the radio.
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC...
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display
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC...
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display
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back...
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to the vehicle.
This Preliminary information communicates to dealer to contact TAC for a specific display issue.
This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back...
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to the vehicle.
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back...
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to the vehicle.
This Preliminary information communicates to dealers a procedure to reset the radio.
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC...
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display
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to recover an IOK radio.
This Preliminary information communicates to dealers steps to follow to recover an IOK radio.
This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back...
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to the vehicle.
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC...
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display
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC...
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display
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealer to contact TAC for a specific display issue.
This update contains a required software change to help improve the overall software update and diagnostics process.
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Be sure to install this update to be able to receive future software updates. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
This service bulletin provides information on the radio software related issues to update the radio to the latest...
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software version Y177.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
Customer Satisfaction Program.
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Certain vehicles listed above were built without proper programming keys written into the radio. Dealers will replace and reprogram the radio.
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and...
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how to reset/clear the message.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to the technicians that this audio concern is a software issue and to not...
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replace any parts at this time.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google Built...
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In Radio.
This Preliminary information communicates to the technicians that this audio concern is a software issue and to not...
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replace any parts at this time.
This Preliminary information communicates to dealership technicians that they will need to perform this step prior to...
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performing any programming on replacement radios.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y176 ...
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Multiple Updates for IOK.
This Preliminary information communicates that it is normal for the tailgate todropfaster than it used to after the GM...
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Accessory Kicker Audio System isinstalled.
Electrical
55 bulletinsThis PI was created to address an Intermittent Loss of Connectivity, GPS, or Wi-Fi Due to OnStar Module concern.
This PI was created to help avoid unnecessary front camera module replacements
This PI was created to address an Intermittent Loss of Connectivity, GPS, or Wi-Fi Due to OnStar Module concern.
This Preliminary information communicates an issue with the dome light off switch not working after the BCM goes asleep.
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Advise dealership it is working as designed.
This PI was created to address an Intermittent Loss of Connectivity, GPS, or Wi-Fi Due to OnStar Module concern.
This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not...
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correct it.
This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not...
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correct it.
This Preliminary information communicates an issue with a replace or low FOB battery message
This PI was created to help avoid unnecessary front camera module replacements
This PI was created to help avoid unnecessary front camera module replacements
This PI was created to help avoid unnecessary front camera module replacements
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
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DTC'ss
This PI addresses certain trailering features that may fail to calibrate due to a software issue within the video processing module.
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To resolve this condition, dealerships are to reprogram the video processing module with the updated software.
This PI provides diagnostics tips to dealership techs when trying to diagnose a CAN Bus communication issue after an...
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event like a lightning strike, battery jump started backwards, failure over the air update, etc.
This Preliminary information communicates a issue where the park assist module can set current communication dtc's due...
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to a timing issue and it may have nothing related to the customers complaint. A software update will be available to repair these flase DTC's
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
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DTC's
This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
This Preliminary information communicates information to direct the dealer or upfitter to GM Upfitter Bulletin 203 for...
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information on installing the Universal Vehicle Module.
This Preliminary Information communication advises technicians to inspect for, and if necessary, repair harness damage...
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caused by possible contact with the EGR cooler outlet pipe or the duct bracket.
This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
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It also informs them to follow the bulletins as necessary to USB update the modules.
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage...
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detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
This preliminary information communicates an issue with the battery going dead due to the tailgate release switch and...
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dealerships are to replace the switch.
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
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DTC's
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
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DTC's
This preliminary information communicates an issue with the battery going dead due to the tailgate release switch and...
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dealerships are to replace the switch.
The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
This preliminary information communicates an issue with the battery going dead due to the tailgate release switch and...
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dealerships are to replace the switch.
This Preliminary Information communication provides information to the technician about vehicles that have an...
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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 restraint warning lamp being illuminated and the correction to this by...
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replacing the passenger presence module.
This bulletin advises the tech to refer to a procedure in SI to aid in diagnosing a possible wiring concern.
This bulletin provides information of possible fuel injector harness electrical connector terminal having low tension...
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creating the customers concern of a MIL Illuminated with Multiple Circuit DTCs set.
This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the...
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load on the system that may be causing a drain.
This Preliminary Information communication advises technicians to inspect for, and if necessary, repair harness damage...
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caused by possible contact with the EGR cooler outlet pipe or the duct bracket.
This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use...
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for certain repairs, such as Wiring Harness Repairs.
This Preliminary information communicates how to recover the Image Processing Module.
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage...
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detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
This Preliminary information communicates a Diagnostic Tip for a Rattle/Squeak/Creak/Squawk/Itch/Rub Type Noise Heard...
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From The Dash I/P or Center Console Area. Dealers are to inspect the bank 1 sensor 1 O2 sensor connector to make sure it is properly installed in its retainer.
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to...
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increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to...
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inspect the body harness pass through for being full seated into the cowl.
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant...
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Fluid Tank Level Reset.
This Preliminary information communicates information to direct the dealer or upfitter to GM Upfitter Bulletin 203 for...
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information on installing the Universal Vehicle Module.
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and...
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warranty replacements.
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to...
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increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
This Preliminary Information communication provides information to the technician about vehicles that are found to have...
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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...
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repairing wiring harnesses.
This Preliminary information communicates Thus the active safety systems maybe inoperable and to perform a module reset...
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to correct.
This Preliminary information communicates how to recover the Image Processing Module.
This Preliminary information communicates an issue where the odometer mileage is incorrect after performing a module...
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setup procedure and a FSE will be dispatched to the vehicle to correct the odometer error.
This Preliminary information communicates an issue where the odometer mileage is incorrect after performing a module...
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setup procedure and a FSE will be dispatched to the vehicle to correct the odometer error.
This Preliminary information communicates an issue where the odometer mileage is incorrect after performing a module...
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setup procedure and a FSE will be dispatched to the vehicle to correct the odometer error.
This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the...
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load on the system that may be causing a drain.
This service bulletin provides information on key code security rules and information on GM keycode look-up applications...
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(U.S).
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and...
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warranty replacements.
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to...
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increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
Body & Paint
32 bulletinsThis preliminary information communicates a diagnostic tip for the tailgate release system and tailgate ajar message.
This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position...
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after curbview assist is used.
This PI provides information to repair the door water deflector which is not sealed properly allows water into the door...
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jam/sill area.
This Preliminary information communicates that the inner tailgate cannot be disabled if the vehicle is not equipped with...
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passive entry.
This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist...
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systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.
PI to explain normal operation for a concern that the outside rearview mirrors may not fold when the doors are locked,...
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due to the personalization settings for Auto Door Unlocking.
This Preliminary information communicates information to direct to GM Upfitter bulletin 193 or 205 depending on trim...
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level for installation instructions for the 9L7 Upfitter Switches.
This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame...
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Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier listed in the bulletin.
This Preliminary information communicates an issue with a service keyless entry message caused by aftermarket door...
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handle covers and they should be removed.
This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position...
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after curbview assist is used.
This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position...
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after curbview assist is used.
This informational bulletin provides information for dealers/technicians on power folding mirrors do not fold at the...
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same speed.
This Preliminary information communicates a new tailgate feature which allows the customer to enable or disable the...
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inner tailgate.
This Preliminary information communicates a diagnostic tip on how to resolve a issue of the horn sounding when vehicle...
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doors are being closed and the key in vehicle reminder set to off.
This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame...
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Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier listed in the bulletin.
This Preliminary information communicates an issue with unwanted opening of the sunroof and dealership are to replace...
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the overhead console.
This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when...
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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...
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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...
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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...
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shipping film.
This Preliminary information communicates a new tailgate feature which allows the customer to enable or disable the...
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inner tailgate.
This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist...
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systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.
This Preliminary information communicates an issues with a service keyless entry message caused by aftermarket door...
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handle covers and they should be removed.
Service Update - Certain vehicles listed above may have a condition in which the seam sealer is not fully installed.
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Dealers are to inspect the right front side floor panel seam and apply seam sealer if necessary.
This Preliminary information communicates information to direct to GM Upfitter bulletin 193 or 205 depending on trim...
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level for installation instructions for the 9L7 Upfitter Switches.
This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement...
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Guidelines.
This Preliminary information communicates that the inner tailgate cannot be disabled if the vehicle is not equipped with...
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passive entry.
This Preliminary information communicates an issues with a service keyless entry message caused by aftermarket door...
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handle covers and they should be removed.
This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame...
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peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This technical bulletin provides a procedure to locate and repair the rear glass if found water leaking past the...
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urethane seal.
The informational bulletin advises that the trim beadlock is for decoration and not actual function.
Pre-Delivery & Maintenance
30 bulletinsThis Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special...
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Service Vehicles.
Fixes to help prevent false Service Driver Assist System messages.
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Improvements to connectivity for OnStar.
This Preliminary information communicates direction to find information atwww.gmupfitter.comfor Police and Special...
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Service Vehicles.
This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may...
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not pass California smog inspection or smog inspection in other states.
This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector...
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Reconnect Labor Code Numbers.
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector...
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Reconnect Labor Code Numbers.
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for...
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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...
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E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
This bulletin provides information on Wiper Blade Maintenance Tips.
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.
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Only).
This bulletin provides information on Wiper Blade Maintenance Tips.
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles...
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before being sold (prepping) to the customer.
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles...
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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...
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programs.
This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S.
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Only).
This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles...
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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...
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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.
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Only).
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center...
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(WPC) Parts Return Program.
This warranty administration bulletin provides policy information, proper labor operation selection and causal part...
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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.
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and Canada Dealers Only).
The bulletin provides direction on how to locate the Temporary Service Part (TSP) form in GlobalConnect.
This bulletin provides information on Wiper Blade Maintenance Tips.
Brakes
22 bulletinsThis PI provides diagnostic tips for diagnosing electric trailer brakes issues.
This preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition.
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Dealer are to inspect the battery, battery connections and for any aftermarket devices.
This PI advises dealers that if the K160 Brake System Control Module sets DTC P0606 along with P0562 and/or P25A2,...
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additional diagnostic aids should be followed before replacing parts. The PI provides guidance to inspect for low voltage conditions, wiring, terminal concerns, and module communication issues that may cause false or intermittent EBCM DTCs.
A dealer may encounter multiple DTCs when a B65Manifold Absolute Pressure/Intake Air Temperature Sensor fails.
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Diagnostics may be misleading but if the Fuel Rail Temperature has the 419 degrees displayed this PI will assist with repairs.
This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
This preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition.
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Dealer are to inspect the battery, battery connections and for any aftermarket devices.
This preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition.
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Dealer are to inspect the battery, battery connections and for any aftermarket devices.
This preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition.
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Dealer are to inspect the battery, battery connections and for any aftermarket devices.
This Preliminary Information communication provides information to the technician about customers that may request the...
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factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup or SUV when the vehicle was not ordered with the option. Dealer should advise the customer it cannot be added to the vehicle.
This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to...
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facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking (AEB) issues.
This Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system...
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causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.
This Preliminary information communicates an issue with theHydrastar Electric Over Hydraulic trailer brake system...
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causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.
This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when...
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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...
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theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
This service bulletin provides customer information for rear unwanted automatic braking, usually when reversing out of a...
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garage or driveway.
Service Update. Certain vehicles have a condition where burrs may be present on the machine face of the rear brake caliper bracket flange.
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Dealers will inspect, and if necessary, deburr and retorque the rear brake caliper bracket bolt flange.
This Preliminary Information communication provides information to the technician about customers that may request the...
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factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup or SUV when the vehicle was not ordered with the option. Dealer should advise the customer it cannot be added to the vehicle.
This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when...
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theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
This technical bulletin provides a procedure to replace the rear calipers if found packed for of mud and debris.
This Preliminary information communicates an issue with theHydrastar Electric Over Hydraulic trailer brake system...
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causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.
This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and...
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strut due to fluid leak.
This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and...
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strut due to fluid leak.
Lighting
15 bulletinsThis preliminary information communicates an issue with aftermarket LED lighting causing false front park assist alerts...
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and dealers are to install the factory lighting before performing any in depth diagnostics.
Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a...
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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...
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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 informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.
This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or...
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Replaced During Warranty Coverage Period.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This Preliminary information communicates an issue of the wrong part number WSS being installed during a service...
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procedure and to warn dealership tech to make sure the correct part number WSS is installed.
This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance...
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Schedules.
This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or...
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Replaced During Warranty Coverage Period.
This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed...
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Accessories.
This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.
This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in...
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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.
Transmission
14 bulletinsThis document assists GM dealer technicians with diagnosing torque converter concerns to ensure torque converter replacement is necessary.
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The torque converter part number will be placed on order restriction, and the technician will be asked to follow 25-NA-148 before requesting a part through PQC.
This PI communicates diagnostic information to assist Technicians with a possible transmission shudder
The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when...
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the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
Certain vehicles, equipped with 8L80 or 8L90 Transmissions, may have a condition in which the reaction carrier cracks.
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Dealers are to replace the reaction carrier.
This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer...
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concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.
This Preliminary information communicates a diagnostic aid to install dye to the trans fluid toisolate the leak prior to...
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attempting repair.
This Preliminary information communicates a diagnostic aid to install dye to the trans fluid toisolate the leak prior to...
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attempting repair.
This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear...
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due to seeing grease or sealant on certain locations on the gear.
This service bulletin provides a procedure to repair wiring to correct customer concerns of Driveability, Hesitation,...
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Transmission Shifting Rough/Harsh, Malfunction Indicator Lamp (MIL) Illuminated.
This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts,...
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Slips, or Flares.
This service bulletin provides a procedure to repair wiring to correct customer concerns of Driveability, Hesitation,...
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Transmission Shifting Rough/Harsh, Malfunction Indicator Lamp (MIL) Illuminated.
This bulletin helps aid the tech in possible transmission noise that may be normal or abnormal depending on the concern...
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noted.
This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer...
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concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.
HVAC & Climate
14 bulletinsThis is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
PI to help diagnose A/C concern
This PI provides a diagnostic tip on poor a/c performance due to a condenser issue and instructions to replace the ac...
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condenser.
This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
This service bulletin provides a repair procedure to correct a customer concern of Loss of Air Conditioning, Weak...
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Cooling, and/or Warm Air Coming from Vents.
Software Update for your 25MY Chevrolet Silverado / GMC Sierra: Enables the active cabin ventilation feature.
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When windows are remotely lowered using the key fob, the HVAC blower will turn on. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold...
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weather climates and testing those batteries.
This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the...
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heater core inlet and outlet hoses for being twisted or kinked.
This Preliminary information communicates the possibility of poor heater performance or no heat in the passenger...
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compartment of the vehicle
This service bulletin provides a service procedure to correct customer concerns of Air Conditioning (A/C) Not Working...
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and/or Blows Warm Air.
Fuel System
13 bulletinsImprovements to reliability when extending the running boards on your vehicle Improvements to accuracy for Diesel...
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Exhaust Fluid level shown in driver display.
This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and...
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advises of warranty direction.
This Preliminary information communicates the Heavy Fuel Usage message in the DIC is normal due to low fuel range and...
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current driving habits, or low fuel range and vehicle is idling.
This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State...
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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 bulletin provides a procedure to install an exhaust donut if found the cause of the back pressure after the heavy...
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acceleration.
This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for...
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analysis.
This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446,...
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P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.
This Preliminary information communicates an issue with reducedcoolant flow through the heater core degradingthe heater...
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performance of the HVAC system.
This bulletin provides information on how to look for and test for DEF or water in the fuel system and what the specs...
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should be.
This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446,...
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P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent...
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additive.
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent...
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additive.
Service Update. Certain vehicles may have had the chrome exhaust tips installed instead of the correct black exhaust tips.
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Dealers are to replace the chrome exhaust tip with correct black exhaust tip.
Software & Calibration
9 bulletinsThis preliminary PI was created to advise techniians in the field that they will not be able to perform a GDS automated...
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bleed with the scan tool dues to a issue with the software in the scan tool
This preliminary PI was created to advise techniians in the field that they will not be able to perform a GDS automated...
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bleed with the scan tool dues to a issue with the software in the scan tool
Updated message, additional 2025 model year VINs added to population.
This Preliminary information communicates if a customer and service tech encounter this concern, it will be fixed with a...
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software update and the vehicle can still be driven in the meantime.
This service bulletin provides information for dealers/technicians on Labor Operations for Limited Production Option...
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(LPO) Calibrated Accessories.
This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue,...
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they can contact TCSC to have the software for the MDI backdated to communicate properly.
This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue,...
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they can contact TCSC to have the software for the MDI backdated to communicate properly.
This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this...
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communication issue, they can contact TCSC to have the software for the MDI backdated to communicate properly.
This service bulletin provides information for dealers/technicians on New Labor Operations for Limited Production Option...
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(LPO) Calibrated Accessories.
Tires & Wheels
7 bulletinsThis preliminary information communicates information about how to determine if a wheel and tires size change is...
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available.
This service bulletin provides information on Tire Sidewall Irregularities.
This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM...
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Vehicles.
This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab...
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and pickup box on driver side of vehicle.
This technical bulletin provides repair information to correct a customer concern of the pickup box being out of...
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alignment.
This informational bulletin provides information on Information on Bright PVD (Physical Vapor Deposition) Wheels...
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Appearance and Care.
This service bulletin provides diagnostic information for technicians in cases of an ETRS system fault or a no start...
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condition - If the vehicle needs to be moved, it is recommended to use wheel dollies, tire skates or the NEW Manual Park Release tool DT-52910.
Air Bags & Safety
4 bulletinsThis Preliminary information communicates how the left lower corner of the DIC is dual purpose and when vehicle is first...
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started it displays the rear passenger seatbelt indicators and then after a short drive it will change and show the four-wheel drive indicator.
This service bulletin provides information on the Service Safety Restraint Message displayed on the DIC Airbag...
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malfunction indicator illuminated.
This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
This Preliminary information communicates how the left lower corner of the DIC is dual purpose and when vehicle is first...
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started it displays the rear passenger seatbelt indicators and then after a short drive it will change and show the four wheel drive indicator.
Steering
3 bulletinsThis service bulletin provides information and the condition correction on the "Service Steering Column Lock" message...
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and/or those who are unable to move the steering wheel after starting the vehicle.
Software Update for your 25MY Chevrolet Silverado / GMC Sierra: Improvements to software performance.
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Fixes for audio system performance. Improvements to connectivity for Bluetooth. Fixes to help ensure successful software updates and notifications. Fixes to address instances of inactive driver display. Improvements to functionality for USB and steering wheel controls. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent...
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Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, Engagement/Disengagement/Ratcheting Concerns.
Suspension
2 bulletinsService Update. Certain vehicles listed above may have a condition where the front upper control arm ball stud nut may be loose or missing.
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Dealers will inspect, and if necessary, tighten or install a new front upper control arm ball stud nut.
This Preliminary information communicates an issues of the left rear leaf spring making a squeaking noise due to diesel...
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fuel contamination that may occurduring refueling after the fuel nozzle is removed from the fuel filler pipe. Dealers are to create a foam seal around the fuel filler pipe to prevent fuel from leaking onto the left spring.
Hybrid & EV
1 bulletinThis service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or...
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USB Receptacle Inoperative.