Service bulletins for the 2020 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.
844 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
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Only bulletins with component: Fuel tank are shown. Show all
| 23-NA-047 | 2023-04-13. Service bulletin. FUEL SYSTEM, DIESEL; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY. This informational bulletin provides information for dealers/technicians on Dust, Snow or Water Around Fuel Filler Area. |
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| PIT5727A | 2020-03-09. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY; ELECTRICAL SYSTEM. This preliminary information discusses a MIL illuminated in the IPC and a low fuel pressure code stored in the engine controller. Engineering is investigating the concern. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.