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Service bulletins for the 2024 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.

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

Warranty extensions
22-NA-2442024-05-30. ELECTRICAL SYSTEM; EXTERIOR LIGHTING; STRUCTURE:BODY; UNKNOWN OR OTHER; SERVICE BRAKES. This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.

A warranty extension may pay for a repair after the basic warranty has ended. Read the document for which vehicles and which repair it covers.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIP61372026-10-14. Service bulletin. UNKNOWN OR OTHER. This PI communicates the possibility of dtc U11E2 setting as current or history due to poor connection at Intake Cam Actuator
PIT6457C2026-10-05. Service bulletin. UNKNOWN OR OTHER. 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.
PIC6540K2026-10-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers a procedure to reset the radio.
PIT6368E2026-10-02. Service bulletin. UNKNOWN OR OTHER. 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.
662.802026-10-02. Over-the-air update. UNKNOWN OR OTHER. Fixes to help prevent loss of functionality for connectivity features such as OnStar, Wi-Fi, Navigation, and Super Cruise.
PIT5698F2026-09-30. Service bulletin. UNKNOWN OR OTHER. This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
PIT6426C2026-09-22. Service bulletin. UNKNOWN OR OTHER. If a vehicle has an issue with super cruise inoperative tech is directed to follow a diagnostic path before replacing the Image processing module.
PIC6629F2026-09-16. Service bulletin. UNKNOWN OR OTHER. This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
PIT65442026-09-10. Service bulletin. UNKNOWN OR OTHER. This preliminary information is to inform technicians and customers that GM is aware of the issue and the vehicle can still be driven. When a repair is available, this PI will be updated.
PIP4902W2026-09-10. Service bulletin. UNKNOWN OR OTHER. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIT6538A2026-09-06. Service bulletin. UNKNOWN OR OTHER. A customer may complain of a vibration under heavy acceleration or turning. Dealer is advised that engineering is investigating the concern and no repairs should be performed at this time.
PIT6503E2026-09-02. Service bulletin. UNKNOWN OR OTHER. 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 specific step that directs camera replacement.
PIT65382026-09-02. Service bulletin. UNKNOWN OR OTHER. A customer may complain of a vibration under heavy acceleration or turning. Dealer is advised that engineering is investigating the concern and no repairs should be performed at this time.
PIT65412026-09-02. Service bulletin. UNKNOWN OR OTHER. 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
N2625586802026-09-01. Service campaign. UNKNOWN OR OTHER. Customer Satisfaction Program. Phased launch complete.
PIT6503D2026-08-27. Service bulletin. UNKNOWN OR OTHER. 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 specific step that directs camera replacement.
PIC6551C2026-08-27. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
PIT6503C2026-08-17. Service bulletin. UNKNOWN OR OTHER. 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 specific step that directs camera replacement.
PIT6368D2026-08-14. Service bulletin. UNKNOWN OR OTHER. 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.
PIT6512A2026-08-14. Service bulletin. UNKNOWN OR OTHER. This PI states that if SDGM DTC P0604/P0607 is set and no other SDGM DTCs are present, clear DTCs and reset the SDGM. Advises of how to contact PQC to authorize SDGM replacement.
N2625586802026-08-13. Service campaign. SEATS. Customer Satisfaction Program. Certain vehicles listed above may have a condition in which the 3rd row head restraints may not lock in the upright position, or may not release from the upright position. Dealers will replace the 3rd row head restraints.
662.122026-08-01. Over-the-air update. UNKNOWN OR OTHER. • Improvements to the performance of Automatic Emergency Braking and Adaptive Cruise Control braking. • Fixes to help ensure proper functionality of Forward Collision Alert and availability of driver assistance features.
662.112026-08-01. Over-the-air update. UNKNOWN OR OTHER. • Fixes to help ensure proper functionality for shifting. • Fixes to help protect transmission health. • Improvements to diagnostics to prevent vehicle not starting. • Fixes to help reduce instances of check engine light activation in cold weather.
662.302026-08-01. Over-the-air update. UNKNOWN OR OTHER. • Fixes to help protect battery life. • Improvements to provide more accurate speed limit detection on the driver’s display. • Improvements to the availability of driver assistance features and fewer notifications or warnings. • Fixes to help ensure driver assistance features remain functional when the windshield freezes.
662.102026-08-01. Over-the-air update. UNKNOWN OR OTHER. • Improvements to active cabin ventilation • Additional protection for the health of your battery • Updates to help prevent excessive battery drain and overheating • Improvements to the software update system

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