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Service bulletins for the 2021 GMC Terrain

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.

696 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
05-08-51-001L2025-03-08. Service bulletin. STRUCTURE:BODY. This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
22-NA-2442025-02-12. Service bulletin. UNKNOWN OR OTHER; STRUCTURE:BODY. This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
10-08-110-001L2025-02-11. Service bulletin. STRUCTURE:BODY; VEHICLE SPEED CONTROL. This service bulletin provides information on proper use of floor mats.
24-NA-2392025-01-30. Service bulletin. ELECTRICAL SYSTEM; SEATS; STRUCTURE:BODY; STEERING; ENGINE. This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
18-NA-2102024-12-16. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. This technical bulletin provides a procedure to correct a customer concern of a High Pitch Whine Noise Coming from Front Instrument Panel (IP) Speakers.
21-NA-0432024-12-10. Service bulletin. STRUCTURE:BODY; WHEELS; ENGINE; SERVICE BRAKES; UNKNOWN OR OTHER. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
22-NA-2442024-11-13. Service bulletin. UNKNOWN OR OTHER; STRUCTURE:BODY. This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
23-NA-2192024-11-05. Service bulletin. UNKNOWN OR OTHER; STRUCTURE:BODY. This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
23-NA-1642024-09-12. Service bulletin. STRUCTURE:BODY; ENGINE; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Vehicle Will Lock and Unlock (Active Functions Work) but Will Not Crank or Start (Loss of Passive Functions Do Not Work)
18-NA-0202024-06-18. Service bulletin. ENGINE; STRUCTURE:BODY. This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227.
22-NA-2442024-05-30. Warranty extension. 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.
17-NA-1062024-03-28. Service bulletin. STRUCTURE; POWER TRAIN. This technical bulletin provides repair information to correct a customer concern of an interior boom noise heard while driving low speeds in high gear.
18-NA-0202024-02-23. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227.
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.
23-NA-0462024-02-06. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; STRUCTURE; ELECTRICAL SYSTEM; SEATS. This service bulletin provides a procedure to check for water intrusion at the door electrical connectors and repair the wiring if found the cause of customer concerns of Power Windows and/or Mirrors Inoperative, Power Seat Movement Inoperative and/or Moving On Its Own, Side Object Detection Inoperative and/or Unwanted Activation, Power Door Lock Cycle Inoperative, Keyless Entry Inoperative.
22-NA-1662024-02-06. Service bulletin. STRUCTURE. This technical bulletin provides repair information to correct a customer concern of finding a water leak inside the interior of the vehicle.
18-NA-0202023-11-22. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; STRUCTURE. This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227.
99-08-51-001F2023-07-14. Service bulletin. STRUCTURE. This service bulletin provides information on Paintless Dent Repair Process.
23-NA-0462023-05-06. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. This technical bulletin provides a procedure to check for water intrusion at the door electrical connectors and repair the wiring if found the cause of the customer's concern.
PI0281J2023-05-04. Service bulletin. POWER TRAIN; STEERING; STRUCTURE; SUSPENSION; ENGINE AND ENGINE COOLING. This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
22-NA-0182023-04-13. Service bulletin. EQUIPMENT; STRUCTURE. This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only).
17-NA-1062023-03-04. Service bulletin. VEHICLE SPEED CONTROL; STRUCTURE. This technical bulletin provides repair information to correct a customer concern of an interior boom noise heard while driving low speeds in high gear.
PI0754F2023-03-03. Service bulletin. VISIBILITY:GLASS, SIDE/REAR:CRITICAL FASTENERS; UNKNOWN OR OTHER; STRUCTURE. This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
18-NA-0202023-02-23. Service bulletin. ENGINE AND ENGINE COOLING; STRUCTURE. This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227.
18-NA-0202023-02-06. Service bulletin. STRUCTURE; ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227. .

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