2024 GMC Terrain Technical Service Bulletins

375 technical service bulletins (TSBs) are on record for the 2024 GMC Terrain. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11038592Oct 16, 2026Other or unknown. PI created to guide technicians through radio restriction process
• 11038136Sep 28, 2026Other or unknown. This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced.
• 11038132Sep 28, 2026Other or unknown. This Preliminary information communicates to dealers a procedure to reset the radio.
• 11037797Sep 28, 2026Other or unknown. This Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener. Engineering is working on a new module.
• 11037555Sep 26, 2026Other or unknown. This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
• 11037253Sep 4, 2026Other or unknown. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
• 11036690Aug 27, 2026Other or unknown. This Preliminary information communicates to the technicians a diagnostic tip if a technician loses communication with the image processor #2 and how to restore communication
• 11036392Aug 20, 2026Other or unknown. This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
• 11036195Aug 5, 2026Other or unknown. This Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener. Engineering is working on a new module.
• 11035340Jul 21, 2026Other or unknown. PI to help diagnose A/C concern
• 11034769Jun 23, 2026Other or unknown. This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
• 11034762Jun 23, 2026Other or unknown. This Preliminary information communicates the potential for MIL illuminated with oil pressure related DTC concerns on LSD engines.
• 11033726Jun 3, 2026Other or unknown. This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on 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…
• 11033150May 27, 2026Other or unknown. This preliminary information is to inform technicians and customers that the voice command will be inoperative when trying to open applications. Engineering is investigating and this PI will be converted to a bulletin when a repair is available.
• 11032946May 19, 2026Other or unknown. This Preliminary information communicates the possibility of reduced power with dtc P0237 and/or p0299 due to damaged Charge Air Inlet Pipe connection at Turbocharger.
• 11032785May 15, 2026Other or unknown. This Preliminary Information communicates a intermittent misfire, surge, hesitation, chuggle with a potential MIL concerning a potential skewed position 1 oxygen sensor. 2026 model year being added with break point.
• 11032784May 14, 2026Other or unknown. This Preliminary information communicates to dealers a procedure to reset the radio.
• 11032767May 11, 2026Other or unknown. This Preliminary information communicates to dealers a procedure to reset the radio.
• 11032766May 11, 2026Other or unknown. PI created to guide technicians through radio restriction process
• 11032764May 11, 2026Other or unknown. Pi created to provide GM dealers with information on gathering information for projection issue
• 11032763May 11, 2026Other or unknown. This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
• 11032560Apr 30, 2026Other or unknown. This Preliminary information communicates to dealers a procedure to reset the radio.
• 11032559Apr 30, 2026Other or unknown. This Preliminary information communicates to dealers a procedure to reset the radio.
• 11031514Apr 14, 2026Other or unknown. This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on 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…
• 11031282Apr 8, 2026Other or unknown. This preliminary information announces the end of an engineering investigation into a brake pad noise.
• 11030974Apr 1, 2026Other or unknown. This preliminary information communicates information about how to determine if a wheel and tires size change is available.
• 11030360Mar 27, 2026Other or unknown. This preliminary information discusses a condition that may arise from the drivers window switch sending an errant message causing the vehicle to enter manual fob learn mode.
• 11030092Mar 9, 2026Other or unknown. This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
• 11030091Mar 9, 2026Other or unknown. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
• 11029299Mar 3, 2026Other or unknown. This Preliminary information communicates the possibility of reduced power with dtc P0237 and/or p0299 due to damaged Charge Air Inlet Pipe connection at Turbocharger.
• 11029950Mar 2, 2026Other or unknown. This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
• 11027940Jan 28, 2026Other or unknown. PI created to guide technicians through radio restriction process
• 11027697Jan 16, 2026Other or unknown. This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
• 11027701Jan 14, 2026Other or unknown. This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction.
• 11027688Jan 12, 2026Other or unknown. This Preliminary Information communicates a change to the PCV ports on camshaft covers.
• 11027686Jan 12, 2026Other or unknown. This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced.
• 11027601Jan 8, 2026Other or unknown. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
• 11026923Dec 31, 2025Other or unknown. This Preliminary information communicates to dealers a procedure to reset the radio.
• 11026600Dec 12, 2025Other or unknown. This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced.
• 11026842Dec 3, 2025Other or unknown. Improvements to OnStar functionality. 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.
• 11026062Nov 25, 2025Other or unknown. This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced.
• 11025755Nov 20, 2025Other or unknown. This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center.
• 11024698Oct 20, 2025Other or unknown. This Preliminary Information communicates a intermittent misfire, surge, hesitation, chuggle with a potential MIL concerning a potential skewed position 1 oxygen sensor. 2026 model year being added with break point.
• 11024460Oct 18, 2025Other or unknown. This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
• 11024455Oct 17, 2025Other or unknown. This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
• 11024458Oct 16, 2025Other or unknown. This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
• 11024439Oct 4, 2025Other or unknown. The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
• 11023902Sep 30, 2025Other or unknown. This Preliminary information communicates the possibility of reduced power with dtc P0237 and/or p0299 due to damaged Charge Air Inlet Pipe connection at Turbocharger.
• 11023091Sep 9, 2025Other or unknown. New Vehicle Monitoring Programs Section in IVH
• 11022771Aug 27, 2025Other or unknown. This preliminary information advises technicians the heater hose clamps are one time use only.

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