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Service bulletins for the 2018 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.

1345 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Fuel tank are shown. Show all

Bulletins, newest first
23-NA-0472023-04-13. 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.
17NA2652019-08-19. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. This technical bulletin provides repair information to correct a customer concern of hearing a flutter or thump noise from rear of vehicle.
17-NA-2652018-06-11. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. This technical bulletin provides repair information to correct a customer concern of hearing a flutter or boom noise from rear of vehicle.
17NA2652018-04-23. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES; ENGINE AND ENGINE COOLING. This technical bulletin provides repair information to correct a customer concern of hearing a flutter or thump noise from rear of vehicle.
PIT5481C2018-02-21. Service bulletin. AIR BAGS; POWER TRAIN; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; STEERING; LANE DEPARTURE. This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist.Starting with2016 model year Lane Keep Assist Regular Production Option Code (UHX) replaced Lane Departure Warning Regular Production Option Code (UFL). Lane Keep Assist is designed to assist the driver in keeping the vehicle from drifting out of a driving lane that has clearly identified markings. The electric power steering provides a gentle steering correction if a lane marking has been crossed and the driver has not actively responded.

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