2021 GMC Acadia Technical Service Bulletins

847 technical service bulletins (TSBs) are on record for the 2021 GMC Acadia. 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.

• 10205576Nov 9, 2021Visibility (wipers, defrost, mirrors), Equipment, Exterior lighting. This service bulletin provides repair information for dealers/technicians to correct a customer concern of a Malfunction Indicator Lamp Illuminated with DTC P26BB Set.
• 10205738Nov 8, 2021Tires, Wheels. This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires.
• 10205546Nov 8, 2021Electrical system. This service bulletin provides repair information to correct a customer concern of Instrument Cluster Resets, Center Display Goes Blank, or Gauges Inoperative.
• 10205539Nov 8, 2021Equipment, Engine cooling. This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
• 10205737Nov 5, 2021Equipment. This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns.
• 10204438Nov 2, 2021Engine, Engine cooling. This Preliminary information communicates that a vehicle may be encountered with a buzz or rattle type noise emanating from the exhaust. The dealer technician is directed to replace the exhaust system.
• 10202400Sep 22, 2021Fuel system. This Preliminary information communicates a possible issue with the active fuel management rockers causing a misfire and the correction for this concern.
• 10202393Sep 15, 2021Electrical system. This Preliminary information communicates that a vehicle may come into the dealer with various concerns which may include a service engine light or various warning messages on the DIC. The technician is instructed to inspect a wiring harness for chaffing on a bracket which is located beneath the battery tray.
• 10202384Sep 1, 2021Transmission and drivetrain. This Preliminary information communicates to perform a transmission fluid drain and fill to correct a TCC shudder concern.
• 10205047Aug 24, 2021Seats. This service bulletin provides repair information to correct a customer concern of a squeak, rattle or creak coming from the second row/rear seat area.
• 10201325Aug 24, 2021Transmission and drivetrain. This Preliminary information communicates to perform a transmission fluid drain and fill to correct a TCC shudder concern.
• 10205052Aug 20, 2021Engine. This service bulletin provides diagnostic aid information/procedures to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine.
• 10201321Aug 19, 2021Brakes, Electrical system. This Preliminary information communicates information to diagnose DTC C056D or C056E.
• 10201318Aug 19, 2021Electrical system, Equipment. This Preliminary information communicates a condition where the Video Processing Control Module is not able to be programmed to the vehicle. This PI offeres a couple workarounds while Engineering evaluates the concern.
• 10201316Aug 18, 2021Equipment, Electrical system. This Preliminary information communicates a possible SIM issue with vehicles in the middle east.
• 10201312Aug 16, 2021Engine, Electrical system. This Preliminary information communicates that a vehicle may come into the dealer with various concerns which may include a service engine light or various warning messages on the DIC. The technician is instructed to inspect a wiring harness for chaffing on a bracket which is located beneath the battery tray.
• 10201310Aug 11, 2021Equipment. This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Technicians may also contact PARTECH and/or the Techline Customer Support Center for additional support.
• 10201307Aug 9, 2021Electrical system. This Preliminary information communicates a condition where the Video Processing Control Module is not able to be programmed to the vehicle. This PI offeres a couple workarounds while Engineering evaluates the concern.
• 10205059Aug 6, 2021Electrical system. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
• 10205048Aug 6, 2021Engine. This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
• 10205060Aug 5, 2021Transmission and drivetrain. This informational bulletin describes/outlines the process for the 9T65 Automatic Transmission Replacement Pilot Program (U.S. Only).
• 10201252Jul 21, 2021Air bags, Transmission and drivetrain. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency…
• 10201251Jul 21, 2021Electrical system. This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
• 10201247Jul 18, 2021Electrical system, Equipment. This Preliminary information communicates that there some service parts released to dealers missing software.
• 10200143Jun 30, 2021Brakes, Equipment. This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight.
• 10201297Jun 29, 2021Transmission and drivetrain. This Preliminary information communicates to perform a transmission fluid drain and fill to correct a TCC shudder concern.
• 10201296Jun 28, 2021Electrical system, Back-over prevention (rear camera). This Preliminary information communicates that a vehicle may come to the dealer with a "service front camera" message. The technician is instructed to use the data bus tool to determine if the front view camera module and active safety module are both communicating on the low speed bus. If the technician determines that one of the modules is not communicating on low speed the tech is instructed of areas to inspect…
• 10200149Jun 28, 2021Visibility (wipers, defrost, mirrors), Equipment. This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage.
• 10201294Jun 25, 2021Equipment, Vehicle speed control, Electrical system. This Preliminary information communicates information to diagnose adaptive cruse with DTC U0422 in the EBCM.
• 10200146Jun 22, 2021Engine cooling, Equipment, Electrical system. This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminated?.
• 10200151Jun 21, 2021Exterior lighting, Equipment. This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
• 10200140Jun 21, 2021Engine cooling, Electrical system. This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3055 Set.
• 10201290Jun 18, 2021Electrical system. This Preliminary information communicates a condition where the Video Processing Control Module is not able to be programmed to the vehicle. This PI offeres a couple workarounds while Engineering evaluates the concern.
• 10201285Jun 16, 2021Tires. This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.
• 10200183Jun 16, 2021Equipment. Service Update - Radio Software Update (OTA) - Certain 2021 model year vehicles listed above, with an infotainment system, may have a condition where the infotainment system screen will appear black with no audio and no chime at key on during cold temperature conditions. Dealers are to verify radio software level and update if necessary.
• 10201281Jun 15, 2021Equipment. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
• 10200154Jun 15, 2021Transmission and drivetrain, Equipment. This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
• 10200137Jun 10, 2021Other or unknown. This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
• 10200152Jun 7, 2021Equipment, Transmission and drivetrain. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
• 10200153Jun 3, 2021Equipment. This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
• 10200169Jun 2, 2021Equipment, Visibility (wipers, defrost, mirrors). This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a front windshield or the rear wiper washer hose having repair issues.
• 10200089May 27, 2021Equipment. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 10197315May 27, 2021Brakes. This Preliminary information communicates that a dealer may encounter a vehicle that is making a grinding or growling noise on the first few brake applications after the vehicle has been sitting overnight. The dealer is instructed to perform no repairs at this time as engineering is looking into a repair. The dealer is advised that this PI will be converted into a bulletin with repair instruction when updated parts…
• 10199248May 26, 2021Transmission and drivetrain. This informational bulletin describes/outlines the process for the 9T65 Automatic Transmission Replacement Pilot Program (U.S. Only).
• 10198857May 26, 2021Transmission and drivetrain. This informational bulletin describes/outlines the process for the 9T65 Automatic Transmission Replacement Pilot Program (U.S. Only).
• 10199281May 25, 2021Fuel system. This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.
• 10198890May 25, 2021Electrical system. This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.
• 10199244May 24, 2021Engine. This service bulletin provides diagnostic aid procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine.
• 10198853May 24, 2021Engine cooling. This service bulletin provides diagnostic aid procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine.
• 10199235May 21, 2021Equipment. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).

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