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Service bulletins for the 2021 GMC Acadia

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

847 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
07-00-89-037S2024-03-19. Service bulletin. EQUIPMENT. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
PIP59642024-03-18. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, rough idle, no acceleration, loss of power, erratic shifting, fuel gauge inoperative, MIL illuminated with various codes stored. Technicians are directed to replace the K111FPDCM if any of these conditions can be validated.
PIT5551N2024-03-18. Service bulletin. FORWARD COLLISION AVOIDANCE. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
24-NA-0402024-03-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
PIE07822024-03-07. Service bulletin. ENGINE AND ENGINE COOLING. This engineering information (EI Lite) is requesting technicians use the FPR App process in regard to finding coolant leaking around the Coolant Control Valve (CCV).
17-NA-0732024-03-07. Service bulletin. UNKNOWN OR OTHER. This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
22-NA-0742024-02-29. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
22-NA-1932024-02-23. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. This informational bulletin explains to the tech on where to look for a possible concern with the rockers causing the MIL to illuminate.
19-NA-0442024-02-21. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; FUEL SYSTEM, GASOLINE. This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
16-NA-2222024-02-21. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
N2223931002024-02-20. Service bulletin. SEAT BELTS. Customer Satisfaction Program - Certain vehicles may have a condition in which the second-row center seatbelt buckle falls between the seats when the adjacent seat is tipped and slid forward. Dealers are to add an elastic strap.
16-NA-3382024-02-17. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.
23-NA-1892024-02-14. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present on network communication circuits.
23-NA-0552024-02-14. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) – FAQs.
23-NA-2142024-02-14. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides Information on Purge Pump Part Replacement and Purge pump Part Number Interchangeability.
23-NA-0722024-02-14. Service bulletin. POWER TRAIN. This service bulletin provides a procedure to correct a customer concern of Shudders or Shakes at Low Speeds.
18-NA-0352024-02-14. Service bulletin. POWER TRAIN. This service bulletin provides information on a normal characteristic of a transmission that will not shift into overdrive range during cold ambient temperatures.
PI0281K2024-02-14. Service bulletin. STRUCTURE. This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
PIT6097C2024-02-12. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary information communicates an issue where the vehicles wireless charger no longer works with certain ISO updates on Apple 15 phones and advises customer to update their phone to the lastest ISO update.
PIT61162024-02-12. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE. This Preliminary information communicates information to help diagnose inoperative rear liftgate logo.
PIP5601B2024-02-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be reviewed to determine the root cause of the concern. If a repair attempt made the concern better but not eliminated or had no affect at all, and are requesting assistance from General Motors Technical Assistance Center record another Pico file and save it to the computer. After the new Pico Oscilloscope data has been saved email the data to General Motors Technical Assistance Center in the subject line include ?Vibration? ?Business Associate Code? and the last 8 of the Vehicle Identification Number.
PIT6084A2024-02-12. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. This PI states that a vehicle may exhibit a concern of the cross traffic alert indicators not displaying on the radio screen. While this is a customer dissatisfier, it does not pose a safety concern due to the fact that the customer will still be alerted to an approaching vehicle by the seat vibration. Dealers are advised that engineering is working on a resolution and it will be available by the end of 2023.
PIP5824C2024-02-12. Service bulletin. FUEL SYSTEM, GASOLINE. This Preliminary information communicates a possible issue with the active fuel management rockers causing a misfire and the correction for this concern.
PIP5841D2024-02-12. Service bulletin. POWER TRAIN. This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
24-NA-0032024-02-10. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY; EQUIPMENT; STRUCTURE. This technical bulletin provides a procedure to correct the condition Sunroof Wind / Air Deflector Inoperative.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.