Service bulletins for the 2026 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.
170 on file from NHTSA, as of 2026-10-19.
About U1346 on the 2026 GMC Terrain: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: U1346 are shown. Show all
| PIP6109 | 2026-04-13. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates the possibility of MIL with DTC set of U060F, U1346, and/or P0102. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.