2026 Chevrolet Tahoe TSBs
214 Technical Service Bulletins across 16 categories
Categories
Electrical
41 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 provides a diagnostic tip when fuse F4DR is opening and dealerships are to inspect the wiring at the center...
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console lid.
Surround Vision Recorder, a new feature that allows you to record, watch, and save video from your vehicle's cameras.
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Security Recording, a new feature that can automatically begin recording if your vehicle's alarm is triggered while it is parked. Cabin Glance, a new feature that displays a live feed of the seating area on your infotainment screen. This allows you to check on passengers, such as kids or pets. Fixes to help ensure responsiveness for the driver display and rear view camera. Improvements to reliability for alerts and chimes. Better responsiveness for the driver display and rear-view camera.
This Preliminary information communicates an issue with a service door latch system messages.
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On Cadillac and Chevrolet models dealership are to cycle the child door latch on and off to correct the issue. On GMC models reprogram the BCM and VCU then cyc
This Preliminary information communicates an issue with a service door latch system messages.
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On Cadillac and Chevrolet models dealership are to cycle the child door latch on and off to correct the issue. On GMC models reprogram the BCM and VCU then cyc
If 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 Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this...
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concern, to perform the steps listed and should be able to reprogram the module and correct this.
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 information on Reprogramming the BCM and how to place the key fob during...
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Immobilizer learn due to the immobilizer coil being relocated.
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 Preliminary information communicates an issue with a service door latch system messages.
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On Cadillac and Chevrolet models dealership are to cycle the child door latch on and off to correct the issue. On GMC models reprogram the BCM and VCU then cyc
This Preliminary information communicates an issue with a service door latch system messages.
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On Cadillac and Chevrolet models dealership are to cycle the child door latch on and off to correct the issue. On GMC models reprogram the BCM and VCU then cyc
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 the field on how to diagnosis a GPS issue with the Telematic module with no...
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DTC'ss
This PI identifies an issue where a loose Body Control module ground on the A pillar could cause various electrical...
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issues related to the hood latch or a door latch
This P/I is advising that the TCM should not be replaced for DTC P16F4 and to follow the repair instructions.
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 P/I is advising that the TCM should not be replaced for DTC P16F4 and to request FSE assistance for a TCM data...
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pull.
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 an issue with the DRL LED strips flickering and dealer are to replace the...
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lighting control module.
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 high resistance in the glass breakage loop that could cause a...
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dead battery or unwanted theft alarm. Dealers are to inspect the glass breakage loop.
This preliminary information communicates an issue with the DRL LED strips flickering and dealer are to replace the...
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lighting control module.
This preliminary information communicates an issue with the DRL LED strips flickering and dealer are to replace the...
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lighting control module.
This preliminary information communicates an issue with the DRL LED strips flickering and dealer are to replace the...
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lighting control module.
This preliminary information communicates an issue with the DRL LED strips flickering and dealer are to replace the...
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lighting control module.
This Preliminary information communicates an issue with high resistance in the glass breakage loop that could cause a...
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dead battery or unwanted theft alarm. Dealers are to inspect the glass breakage loop.
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 communicates not to replace the Image processing Module if the following DTC's are history...
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- U3000 SYM49, U1624, U0140, U023B SYM00, U053C, B1DD SYM57.
If 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 Preliminary information communicates not to replace the Image processing Module if the following DTC's are history...
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- U3000 SYM49, U1624, U0140, U023B SYM00, U053C, B1DD SYM57.
This information provides software update information for the K73 Telematics module to correct the symptoms described.
This Preliminary information communicates possible causes for battery draw concern
This Preliminary information communicates the active safety features and/or cameras are inoperative or unavailable after...
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a 12 volt battery replacement or battery charge after a low voltage condition.
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 information provides software update information for the K73 Telematics module to correct the symptoms described.
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.
Other
37 bulletinsThis preliminary information is to help technicians decide if the DTC needs to be diagnosed if relating to the concern...
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and if it is not, the DTC can be ignored.
This preliminary information is to help technicians decide if the DTC needs to be diagnosed if relating to the concern...
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and if it is not, the DTC can be ignored.
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 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 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.
This Preliminary information communicates where to find the back antenna for learning new key fobs.
This preliminary information is to inform technicians and customers that the HUD will not retain its current settings.
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No parts should be replaced.
This PI provides diagnostic steps for dealer technicians to verify the condition and ensure that part replacement is...
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necessary
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 communicates that the u013A code setting requires no repairs on Export Vehicles.
Improvements to reliability when extending the running boards on your vehicle.
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 a normal condition about a message that appears when using...
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a NFC card to start the vehicle when a key fob or a digital key device is not present.
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 communicates an issue with programming error while try to complete N252521591 and provide...
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info on how to complete the programming.
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 document addresses the following:
New Vehicle Monitoring Programs Section in IVH
Diagnostic Guidance for U3000-97 Long Range Radar Blocked
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 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.
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 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.
Engine
36 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 of a service theft message after using the rear window defogger.
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Engineering is currently investigating.
This preliminary information communicates an issue with of a service theft message after using the rear window defogger.
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Engineering is currently 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 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 PI communicates information to inform customer that Engineering is aware of concern where the heated seats are...
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inoperative when interior temp is above 86Fand are working on a repair solution.
Improves transmission diagnostic software.
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Reduces unnecessary check engine light activations. Improved braking performance and reduced unnecessary messages and alerts
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 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 an issue with the virtual garage door opener not programming to a garage opener.
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Engineering is working on a new module.
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.
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 PI informs General Motors dealers that programming for the Image Processing Module is currently unavailable and...
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provides the process to obtain required programming
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.
Fog lamp control may be missing from radio display after a BCM update.
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Engineering is 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.
This PI informs General Motors dealers that programming for the Image Processing Module is currently unavailable and...
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provides the process to obtain required programming
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 an issue with the virtual garage door opener not programming to a garage opener.
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Engineering is working on a new module.
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 that Engineering is working on a resolution and no parts should be replaced at...
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this time.
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 an issue with blower motor speed changing when air flow is blocked by snow.
This PI communicates information that the Collision / Detection Systems will revert to default setting of Alert and...
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Brake after an Ignition Cycle due to an Engineering change.
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 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 an issue with a Service Brake system message and DTC C0597 C055F.
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Dealers are to replace the brake master cylinder.
This preliminary information communicates an issue with a Service Brake system message and DTC C0597.
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Dealers are to replace the brake master cylinder.
PIP6091 was created to advise technicians engineering is aware of a misfire during a passing maneuver is being...
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investigated.
This PI communicates information that the Collision / Detection Systems will revert to default setting of Alert and...
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Brake after an Ignition Cycle due to an Engineering change.
This PI communicates information that the Collision / Detection Systems will revert to default setting of Alert and...
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Brake after an Ignition Cycle due to an Engineering change.
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 preliminarily information communication an issue with the supercruise dropping out when next to a merging lane and...
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engineering is investigating.
This Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener.
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Engineering is working on a new module.
Infotainment
25 bulletinsThis Preliminary information communicates to dealers a procedure to reset the radio.
The Rear Camera Mirror display may appear angled downward.
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Investigation found that an aftermarket or dealer-installed rear license plate frame can contact the license plate lamp applique, pushing the applique upward and skewing the camera display angle. Remove or reposition the interfering frame, verify proper applique seating, and confirm the Rear Camera Mirror display is correctly aligned.
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 an issue with an OTA pending message still displayed after an OTA event and...
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how to reset/clear the message.
Fixes to help prevent blank center display and camera image loss Expanded availability for Super Cruise
Improvements to help prevent loss of audio, including chimes and turn signal indicator sound Reduced brightness of...
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front passenger display at night
Improvements to help prevent loss of audio, including chimes and turn signal indicator sound The rear passenger...
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display will prompt you to add headphones when that is the selected audio option
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 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 a procedure to reset the radio.
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 the technician the diagnostic direction needed when the customer complains...
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of SuperCruise Subscription Required Message Displayed on Instrument Cluster.
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 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 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 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 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 an issue with the key fob buttons inoperative and how to resync the fobs back...
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to the vehicle.
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 an issue with an OTA pending message still displayed after an OTA event and...
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how to reset/clear the message.
Brakes
17 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.
Fixes to reduce activations of Automatic Emergency Braking Disabled light.
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Improvements to availability for Lane Keep Assist. Fixes to help ensure proper functionality for Brake Assist. Fixes for active cabin ventilation. Improvements to the performance of vehicle software updates. Fixes to help ensure successful vehicle software updates.
Certain vehicles listed above may have a condition in which hard braking may unexpectedly engage.
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Dealers will re-program the IPM or Front View Camera depending on what the vehicle is equipped with.
Certain vehicles listed above may have a condition in which hard braking may unexpectedly engage.
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Dealers will re-program the IPM or Front View Camera depending on what the vehicle is equipped with.
Certain vehicles listed above may have a condition in which hard braking may unexpectedly engage.
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Dealers will reprogram the Image Processing Module.
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 PI communicates an issue where the Brake System Control ModuleDTC: U0028-88 and U0037-88 diagnostics are backwards...
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and follow the diagnostic procedure for U0037 if U0028 is set and vice versa.
Fixes to help ensure proper functionality for Brake Assist.
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Fixes to help ensure successful vehicle 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 PI communicates an issue where the Brake System Control ModuleDTC: U0028-88 and U0037-88 diagnostics are backwards...
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and follow the diagnostic procedure for U0037 if U0028 is set and vice versa.
Certain vehicles listed above may have a condition in which hard braking may unexpectedly engage.
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Dealers will reprogram the Image Processing Module.
Certain vehicles listed above may have a condition in which hard braking may unexpectedly engage.
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Dealers will reprogram the Image Processing Module.
This preliminary information communicates an issue with the brake system control module calibrations not being available...
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when the GM dealership installed brake kit RPO 5JL and explains the calibrations are only for the brake pad life monitoring system.
This preliminary information communicates an issue with the brake system control module calibrations not being available...
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when the GM dealership installed brake kit RPO 5JL and explains the calibrations are only for the brake pad life monitoring system.
This informational bulletin provides information on Automated Brake Bleed and/or Brake Hydraulic Test procedure fails...
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when attempting to perform either procedure.
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.
Body & Paint
13 bulletinsThis Preliminary information communicates an issue with the virtual garage door opener not programming to a garage...
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opener and to replace the opener with a new updated part.
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 Preliminary Bulletin was created to assist the technician to a issue where the Drivers door is out of alignment...
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with the door latch and how to correct the concern
This PI communicates information on isolating a wind noise from the driver front door.
This PI communicates information on isolating a wind noise from the driver front door.
This PI communicates information on isolating a wind noise from the driver front door.
This PI communicates information on isolating a wind noise from the driver front door.
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 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.
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 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.
Software & Calibration
12 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 information is to inform technicians and customers that GM is aware of the issue and the vehicle can still be driven.
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When a repair is available, this PI will be updated.
This Preliminary information communications information on a Short Range Radar software anomaly causing false / ghost...
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left or right side object detection alerts.
This Preliminary information communications information on a Short Range Radar software anomaly causing false / ghost...
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left or right side object detection alerts.
This Preliminary information communications information on a Short Range Radar software anomaly causing false / ghost...
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left or right side object detection alerts.
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
This message is to inform dealers that Service Update bulletin N252521591, is being temporarily suspended for the models...
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above equipped with RPO UKL or UK0. Involved vehicles will be temporarily removed from IVH. Dealers will be notified when repairs can be resumed. We apologize for any inconvenience this situation may cause.
This preliminary PI was created to advise technians 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 toolThis preliminary PI was created to advise techniians in the field that they will not be able to perform a GDS automated 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
This Preliminary Information is to inform technicians to not replace any parts at this time and to use the work around provided.
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When a fix is available, this PI will be updated to a bulletin.
This Preliminary Information is to inform technicians to not replace any parts at this time and to use the work around provided.
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When a fix is available, this PI will be updated to a bulletin.
Pre-Delivery & Maintenance
10 bulletinsThis PI advise dealers If U3000 is present, follow the correct service doc by Symptom Byte before contacting PQC; if not...
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present, verify the camera is clean, then contact PQC if no issue is found.
This Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special...
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Service Vehicles.
A vehicle may have a service driver assist message and the technician cannot get the Long Range Radar learn procedure to complete.
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Tech is directed to drive a city route to complete the procedure.
A vehicle may have a service driver assist message and the technician cannot get the Long Range Radar learn procedure to complete.
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Tech is directed to drive a city route to complete the procedure.
A vehicle may have a service driver assist message and the technician cannot get the Long Range Radar learn procedure to complete.
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Tech is directed to drive a city route to complete the procedure.
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.
HVAC & Climate
8 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 is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
This preliminary information communicates an issue with an SES MIL DTC P2B87 and/or P2B86 cause by the Aux heater...
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coolant pump have an unwanted oring stuck in the pump. Dealers are to remove oring and reinstall pump.
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
Lighting
4 bulletinsThis Preliminary information communicates to have the dealer verify the vehicle has RPO TRG - Trailer Camera Provisions...
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to ensure the vehicle is equipped with Turn Signal Activated Camera View.
This Preliminary information communicates to have the dealer verify the vehicle has RPO TRG - Trailer Camera Provisions...
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to ensure the vehicle is equipped with Turn Signal Activated Camera View.
This Preliminary information communicates to have the dealer verify the vehicle has RPO TRG - Trailer Camera Provisions...
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to ensure the vehicle is equipped with Turn Signal Activated Camera View.
This Preliminary information communicates information on vehicle speed being limited due to aftermarket lower kit being...
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installed on the vehicle.
Fuel System
4 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 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 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.
Tires & Wheels
2 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.
Transmission
2 bulletinsFixes 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.
This Preliminary information communicates an issue with an aftermarket device wired into the vehicle and cause the...
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vehicle to turn off when shifted into gear. This PI provides a diagnostic tip to inform dealership to inspect for this aftermarket device.
Suspension
1 bulletinThis preliminary information communicates diagnostic tips for air leveling suspension system.
Steering
1 bulletinCertain vehicles may have a condition in which the Upper Intermediate Steering Shaft Bolt is below torque specification.
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Dealers will torque the Upper Intermediate Steering Shaft Bolt to specification.
Air Bags & Safety
1 bulletinThis Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.