Service bulletins for the 2011 Chevrolet Silverado
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.
2185 on file from NHTSA, as of 2026-10-19.
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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. |
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| PIT-4539-T | 2016-08-11. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION ON THE DRIVE MOTOR GENERATOR CONTROL MODULE PART RESTRICTION. DEALER WILL NEED TO CALL GM TECHNICAL ASSISTANCE CENTER FOR FURTHER INSTRUCTIONS. |
| PIT-4539L | 2011-05-26. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. GM: A DRIVER MOTOR GENERATOR CONTROL MODULE IS BEING PUT ON RESTRICTION. *RM UPDATED 2/14/12. *PE |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.