2025 GMC Terrain Technical Service Bulletins

342 technical service bulletins (TSBs) are on record for the 2025 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.

• 11019818Jun 13, 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.
• 11019823Jun 10, 2025Other or unknown. This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
• 11019814Jun 9, 2025Other or unknown. This PI addresses leaks from the case half and provides repair direction to dealer technicians
• 11019693Jun 9, 2025Other or unknown. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
• 11026104Jun 7, 2025Wheels. This service bulletin provides information on Tire Sidewall Irregularities.
• 11026043Jun 7, 2025Electrical system. This technical bulletin provides repair information to correct a customer concern of Radio Software Update W23E-178.1.2-M174-SQBR6-93.3.
• 11026017Jun 5, 2025Engine. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
• 11019074May 30, 2025Other or unknown. This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
• 11019073May 30, 2025Other or unknown. This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
• 11019072May 30, 2025Other or unknown. This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
• 11018659May 22, 2025Other 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.
• 11018653May 21, 2025Other or unknown. This preliminary information discusses a possible all wheel drive concern . Engineering is working on a software update.
• 11018641May 20, 2025Other or unknown. This Preliminary information communicates Diagnostic information for low mileage vehicles setting a P0796
• 11018499May 16, 2025Other or unknown. This Preliminary Information is to inform the customer and service technicians on how to reset the radio/reboot and it will be corrected and to not replace any parts for this concern.
• 11024485May 15, 2025Engine. The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
• 11018469May 12, 2025Other or unknown. This Preliminary Information communicates a potential MIL / SES due to P04FB that Engineering is currently working on a design improvement.
• 11023267May 9, 2025Visibility (wipers, defrost, mirrors), Body and structure. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the liftgate glass breaking unexpectedly.
• 11020461May 9, 2025Electrical system. This service bulletin provides information on software related issues and provides technicians information to update the radio software to the latest version.
• 11023051May 8, 2025Forward collision avoidance. This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking (AEB) issues.
• 11018439May 8, 2025Other or unknown. This Preliminary information communicates diagnostic aids for a surge or fishbite concern.
• 11023056May 7, 2025Electrical system, Transmission and drivetrain. This engineering information (EI) closure ends the need for requesting further information from technicians in regard to the Service AWD Lamp illuminated on Driver Information Center (DIC) and to refer to SI for further diagnosis.
• 11020254May 7, 2025Engine. This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states.
• 11017787Apr 30, 2025Other or unknown. This preliminary information discusses a possible all wheel drive concern . Engineering is working on a software update.
• 11017785Apr 29, 2025Other or unknown. This Preliminary information communicates the process for recording transmission noises using the PicoScope For review.
• 11019545Apr 24, 2025Electrical system. This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
• 11019503Apr 18, 2025Engine. This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State 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.
• 11019459Apr 18, 2025Electrical system, Steering. This technical bulletin provides repair information to correct a customer concern of Turn Signal Over Cancelling.
• 11017305Apr 18, 2025Other or unknown. This Preliminary Information communicates a potential MIL / SES due to P04FB that Engineering is currently working on a design improvement.
• 11019516Apr 17, 2025Suspension, Steering, Transmission and drivetrain. This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
• 11017274Apr 16, 2025Other or unknown. This Preliminary information communicates to GM technicians to not replace any parts at this time if they come across this concern. It is due to software and will need to reprogram the A11 radio module to correct this.
• 11017270Apr 16, 2025Other or unknown. This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios.
• 11017257Apr 16, 2025Other or unknown. This Preliminary information communicates how to recover the Image Processing Module.
• 11017258Apr 14, 2025Other or unknown. This preliminary information communicates to dealership technicians various radio concerns are all related to software and Engineering is currently working on a design improvement.
• 11019017Apr 10, 2025Electrical system. This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
• 11017839Apr 8, 2025Other or unknown. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 11016978Apr 8, 2025Other or unknown. This preliminary information discusses a possible all wheel drive concern . Engineering is working on a software update.
• 11017530Apr 4, 2025Electrical system, Other or unknown. This technical bulletin provides repair information to correct a customer concern of Radio Software Update W23E-178.1.2-M174-SQBR6-93.3
• 11017595Apr 3, 2025Electrical system. This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
• 11016667Apr 2, 2025Other or unknown. This preliminary information communicates to dealership technicians various radio concerns are all related to software and Engineering is currently working on a design improvement.
• 11016666Apr 2, 2025Engine. This Preliminary Information communicates a intermittent rough idle on initial cold start and potential CEL/SES Light more on inclement weather and Engineering is investigating.
• 11017244Mar 31, 2025Electrical system. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
• 11017246Mar 29, 2025Other or unknown. This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google Built In Radio.
• 11017247Mar 28, 2025Electrical system. This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
• 11017263Mar 25, 2025Engine. This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system.
• 11017207Mar 21, 2025Other or unknown, Electrical system. This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
• 11017173Mar 21, 2025Fuel system, Steering, Brakes. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
• 11017093Mar 20, 2025Other or unknown, Electrical system. This technical bulletin provides repair information to correct a customer concern of Radio Software Update W23E-178.1.2-M174-SQBR6-93.3
• 11017050Mar 20, 2025Visibility (wipers, defrost, mirrors). This bulletin provides information on Wiper Blade Maintenance Tips.
• 11016023Mar 19, 2025Other or unknown. Great News! Your vehicle keeps getting better. This update contains a required software change to help improve the overall software update and diagnostics process. Be sure to install this update to be able to receive future software updates. Better Never Stops™ 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…
• 11017036Mar 14, 2025Electrical system, Steering. This technical bulletin provides repair information to correct a customer concern of Turn Signal Over Cancelling.

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