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: Throttle and cruise control are shown. Show all
| 10-08-110-001L | 2025-02-11. Service bulletin. STRUCTURE:BODY; VEHICLE SPEED CONTROL. This service bulletin provides information on proper use of floor mats. |
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| 17-NA-106 | 2023-03-04. 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.