Service bulletins for the 2021 GMC Canyon
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.
747 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Wiring and fuses are shown. Show all
| 22NA003 | 2022-05-31. Service bulletin. ELECTRICAL SYSTEM:WIRING. This technical bulletin provides a procedure to inspect and repair possible locations to wiring shorts in the wiring harness or wiring harness contact areas they may cause shorts. |
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| PIP5416D | 2022-02-14. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:WIRING. This Preliminary Information communicates to the technician the potential areas of concern in which the engine wiring harness may chafe. It describes in detail what to look for. If you encounter any of these specific described chafes, inspect, repair (as necessary) and route the wiring harness away from these possible chafe points. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.