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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
PIP5651G2022-11-21. Service bulletin. STRUCTURE; POWER TRAIN. This Preliminary information communicates the possibility of the charge air cooler pipe connection becoming disconnected from the throttle body causing a reduced power issue and one or more of the following trouble codes P0172, P0299, P0101, P0506, P1101.
99-00-89-019X2022-10-28. Service bulletin. STRUCTURE. This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
22-NA-1662022-09-08. Service bulletin. STRUCTURE. This technical bulletin provides repair information to correct a customer concern of finding a waterleak inside the interior of the vehicle.
19-NA-0132022-09-08. Service bulletin. STRUCTURE. This technical bulletin provides repair information to correct a customer concern of hearing a ticking or popping noise at roof rail assist handle(s).
22-NA-1662022-09-07. Service bulletin. STRUCTURE. This technical bulletin provides repair information to correct a customer concern of finding a waterleak inside the interior of the vehicle.
18-NA-0202022-09-07. 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.
22-NA-1662022-09-07. Service bulletin. STRUCTURE. This technical bulletin provides repair information to correct a customer concern of finding a waterleak inside the interior of the vehicle.
PIP5358B2022-06-13. Service bulletin. STRUCTURE. This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.
PI0653F2022-06-13. Service bulletin. STRUCTURE; EQUIPMENT. This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center.
18-NA-0202022-06-06. 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.
21NA0132022-05-31. Service bulletin. ELECTRICAL SYSTEM:WIRING; STRUCTURE:BODY:ROOF AND PILLARS. This technical bulletin provides repair information to correct a customer concern of a rattle or ticking noise heard coming from B-Pillar area.
19NA2352022-05-31. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS; EQUIPMENT ADAPTIVE/MOBILITY. This technical bulletin provides repair information to correct a customer concern of hearing a rattle or ticking noise coming from the B-pillar area.
19NA0132022-05-31. Service bulletin. EQUIPMENT; STRUCTURE:BODY:ROOF AND PILLARS. This technical bulletin provides repair information to correct a customer concern of hearing a ticking or popping noise at roof rail assist handle(s).
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.
PIT5608E2022-04-18. Service bulletin. STRUCTURE. This preliminary information explains a potential issue engineering is investigating into water intrusion into the door pass through connector and effecting door functions.
22-NA-0652022-04-15. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; STRUCTURE:BODY:BUMPERS:ACTIVE SHUTTERS/GRILL. This technical bulletin provides a procedure to install a CAC and a Grille Cover to correct the customers concern of a Malfunction Indicator Lamp Illuminated or Flashing - DTC P0300 Set When Driving In High Humidity Or In Heavy Rain.
PIP5651F2021-09-13. Service bulletin. STRUCTURE; POWER TRAIN. This Preliminary information communicates the possibility of the charge air cooler pipe connection becoming disconnected from the throttle body causing a reduced power issue and one or more of the following trouble codes P0172, P0299, P0101, P0506, P1101.
PIP5651E2021-09-13. Service bulletin. STRUCTURE; POWER TRAIN. This Preliminary information communicates the possibility of the charge air cooler pipe connection becoming disconnected from the throttle body causing a reduced power issue and one or more of the following trouble codes P0172, P0299, P0101, P0506, P1101.
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.
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).
19NA0082020-09-28. Service bulletin. STRUCTURE. This technical bulletin provides repair information to correct a customer concern of seeing or feeling a sharp edge on the upper inboard corner of the rear body structure stop lamp.

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