2025 Chevrolet Blazer TSBs
185 Technical Service Bulletins across 15 categories
Categories
Engine
30 bulletinsCertain vehicles may have a condition in which the thermal break tabs induce stress into the radiator causing a coolant leak.
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Dealers are to cut the thermal break tabs on the radiator.
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently...
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investigating.
Certain vehicles may have a condition in which the thermal break tabs induce stress into the radiator causing a coolant leak.
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Dealers are to cut the thermal break tabs on the radiator.
Certain vehicles may have a condition in which the thermal break tabs induce stress into the radiator causing a coolant leak.
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Dealers are to cut the thermal break tabs on the radiator.
Certain vehicles may have a condition in which the thermal break tabs induce stress into the radiator causing a coolant leak.
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Dealers are to cut the thermal break tabs on the radiator.
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 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 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 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.
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 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 Preliminary information communicates a possible issue with an engine timing chain, gear or crankshaft key.
This preliminary information PI states to not replace anything at the dealership for this concern and engineering is...
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investigating.
This preliminary information PI states to not replace anything at the dealership for this concern and engineering is...
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investigating.
This engineering information (EI Lite) ends the need for gathering further information using the Field Product Reporting...
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(FPR) App process for vehicles where customers comment on having oil leaking from the oil pan that drives a warrantable item type of repair on said vehicles.
This Preliminary information communicates a possible issue with the active fuel management rockers causing a misfire and...
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the correction for this concern.
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 engineering information (EI Lite) ends the need for gathering further information using the Field Product Reporting...
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(FPR) App process for vehicles where customers comment on having oil leaking from the oil pan that drives a warrantable item type of repair on said vehicles.
This service bulletin provides diagnostic repair information to correct an oil leak in the engine.
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 diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft...
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issue.
This service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal...
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characteristics of the vehicle.
This service bulletin provides diagnostic information/procedures to aid the service technician in diagnosing 9T45/50/60...
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automatic transmissions with low mileage and DTCs current or history related to the control solenoids and valves.
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.
This Preliminary information communicates the potential for dtc P2B81 to be set as current or in history due to...
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increased friction in the wastegate valve.
This engineering information (EI Lite) asks the technicians that if you encounter a vehicle where customers comment on...
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having oil leaking from the oil pan that drives a warrantable item type of repair on said vehicles, use the Field Product Reporting (FPR) App process.
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
30 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
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 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 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.
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
This PI gives the dealer direction on a shudder shake low speed for a possible fluid condition.
New Vehicle Monitoring Programs Section in IVH
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 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 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 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 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 provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
This Preliminary information communicates to dealership technicians that if they have a customer with this issue, do not...
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replace any parts until the repair is available.
This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
Electrical
30 bulletinsIf a vehicle has an issue with super cruise inoperative tech is directed to follow a diagnostic path before replacing...
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the Image processing module.
This PI explains that the T18, Battery charger drive power distribution control modules are on parts restriction thru...
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TAC.
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 Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure...
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Sensor causing dtc P04FB to set.
This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure...
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Sensor causing dtc P04FB to set.
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 the potential for condensation to freeze up inside the Crankcase Pressure...
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Sensor causing dtc P04FB to set.
This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure...
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Sensor causing dtc P04FB to set.
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
The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
This information provides software update information for the K73 Telematics module to correct the symptoms described.
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 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 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 the potential for condensation to freeze up inside the Crankcase Pressure...
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Sensor causing dtc P04FB to set.
This Preliminary information communicates how to recover the Image Processing Module.
This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure...
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Sensor causing dtc P04FB to set.
This Preliminary information communicates a possible concern with installationof the crankcase pressure sensor from the...
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assembly plant.
This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure...
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Sensor causing dtc P04FB to set.
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 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 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 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.
Pre-Delivery & Maintenance
30 bulletinsThis 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 service bulletin provides repair information to correct a customer concern of Vehicle Will Lock and Unlock (Active...
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Functions Work) but Will Not Crank or Start (Loss of Passive Functions Do Not Work).
This service bulletin provides repair information to correct a customer concern of No Crank, No Start, Quick...
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Start/Stall, No FOB Detected, Key FOBs Inoperative, B3924 00, B3925 00, B3926 00, B3927 00, B3928 00 Set.
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 service bulletin provides a procedure to correct a customer concern of Shudders or Shakes at Low Speeds.
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.
Infotainment
13 bulletinsPI created to guide technicians through radio restriction process
This Preliminary information communicates to dealers a procedure to reset the 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 a procedure to reset the radio.
This Preliminary information communicates to dealers a procedure to reset the radio.
PI created to guide technicians through radio restriction process
This Preliminary information communicates to dealers a procedure to reset the radio.
This Preliminary information communicates to dealers a procedure to reset the radio.
PI created to guide technicians through radio restriction process
This Preliminary information communicates to dealers a procedure to reset the radio.
Improvements to OnStar functionality.
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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 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 communicatesA vehicle may be encountered with door chimes, dome lamps, mirrors inop or a...
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radio that will not shut off when the door is opened. The tech is directed to inspect X500 and X600 for water intrusion. The A pillar body plugs are to be replaced and sealed.
Transmission
11 bulletinsThe 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.
This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
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 repair information to correct a customer concern of a transmission fluid leak.
This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission...
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shift operation.
This Preliminary information communicates possible transmission fluid leak in the torque converter housing area from...
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loose pump bolts.
This informational bulletin describes/outlines the process for the 9T65 Automatic Transmission Replacement Pilot Program (U.S.
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Only).
Lighting
9 bulletinsAmendments 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 service bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall...
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or garage.
This Preliminary information communicates that a dealer may install the perimeter rocker lighting kit and find that it will not illuminate.
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The dealer is advised that updated software is now available to repair this concern.
This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or...
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Replaced During Warranty Coverage Period.
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 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.
Brakes
7 bulletinsThis 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.
Certain vehicles may have a condition in which the Front Right Brake Line Fitting is torqued under specification.
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Dealers are to tighten the Front Right Brake Line Fitting to the specified torque.
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.
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 information to dealership personnel on diagnosis and replacement of shock absorber and...
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strut due to fluid leak.
Body & Paint
6 bulletinsThis 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 technical bulletin provides repair information to correct a customer concern of Remote-Control Door Lock and Theft...
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Deterrent Transmitter Chevrolet Black Bowtie Poor Appearance.
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 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 service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement...
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Guidelines.
This technical bulletin provides a procedure to correct the condition of Excessive Waviness, Wrinkling or Sag in the...
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Sunroof Sunshade.
Fuel System
5 bulletinsThis 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 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 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 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.
Software & Calibration
5 bulletinsThis 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.
HVAC & Climate
3 bulletinsPI to help diagnose A/C concern
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 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.
Tires & Wheels
3 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.
Air Bags & Safety
2 bulletinsThis 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.
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.