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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

Only bulletins with component: Body and frame are shown. Show all

Bulletins, newest first
PI0281I2022-04-22. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS; STRUCTURE. This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
21-NA-2642022-04-01. Service bulletin. STRUCTURE. This informational bulletin provides information for dealers/technicians on a customer commenting on liftgate actuator showing a leaking residue on strut.
PIT58932022-03-14. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE; SEATS; POWER TRAIN. This Preliminary information communicates that power liftgate actuators have been returned for warranty due to improper removal procedures. The technician is instructed on how to properly remove the power liftgate actuator from the vehicle without damaging it.
19NA1672021-07-19. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. This service bulletin provides repair information to correct a customer concern of a water leak into interior, and/or various electrical concerns, liftgate actuator noisy or inoperative.
N2023242402021-04-26. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. Customer Satisfaction Program. Certain vehicles were built with front floor consoles that are missing the switches for the front heated and ventilated seat, and the rear heated seat. Dealers are to replace the front floor console.
21NA0262021-03-08. Service bulletin. EQUIPMENT; STRUCTURE; EQUIPMENT ADAPTIVE/MOBILITY. This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.
20NA2322021-02-22. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE; ELECTRICAL SYSTEM. This service bulletin provides a service procedure to correct a customer concern of Power Liftgate Stops When Opening and/or Will Not Close from Open Position DTC B153F Sets.
20NA2322021-02-01. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE:SUPPORT DEVICE/STRUT. This service bulletin provides a service procedure to correct a customer concern of Power Liftgate Stops When Opening and/or Will Not Close from Open Position DTC B153F Sets.
990851001E2020-12-21. Service bulletin. EQUIPMENT; STRUCTURE. Thins informational bulletin provides information on Paint-less Dent Repair Process.
18NA3062020-10-26. Service bulletin. EQUIPMENT; STRUCTURE:BODY. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).

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