Service bulletins for the 2015 GMC Sierra
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.
3109 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Alternator are shown. Show all
| PI1404 | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. This preliminary informational bulletin provides a diagnostic tip for low line pressure or pressure regulator valve stuck after transmission service pump cover replacement. |
|---|---|
| SBU-14154 | 2015-04-10. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. GMC/CHEVROLET: DUE TO ENDS OF FUSE BEING CORRODED, A RESISTANCE BUILD UP FAILS TO ALLOW CURRENT TO FLOW THROUGH FUSE, CAUSING GENERATOR NOT TO CHARGE BATTERY. MODEL 2015 SILVERADO 2500, SIERRA 2500. *PE |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.