Service bulletins for the 2014 Chevrolet Volt
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.
1655 on file from NHTSA, as of 2026-10-19.
About P1B03 on the 2014 Chevrolet Volt: what the code means, and the bulletins and recalls about the same components.
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By component
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Only bulletins with trouble code: P1B03 are shown. Show all
| 21NA218 | 2022-02-14. Service bulletin. UNKNOWN OR OTHER; EXTERIOR LIGHTING. This bulletin provides a diagnostic service procedure to correct customer concerns of Reduced Propulsion (EREV), Malfunction Indicator Lamp (MIL) Illuminated with DTC P0C17, P1B03 and/or P0C01 Set. |
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| PIP5246A | 2022-01-24. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that have Check Engine Light illuminated with an "Engine Unavailable" and ?Reduced Propulsion? messages on the Driver Information Center. Technician will find Diagnostic Trouble Code P1B03. Technician should replace Motor 1 Stator. |
| PIP5246 | 2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that have Check Engine Light illuminated with an "Engine Unavailable" and ?Reduced Propulsion? messages on the Driver Information Center. Technician will find Diagnostic Trouble Code P1B03. Technician should replace Motor 1 Stator. |
| PIP5246A | 2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that have Check Engine Light illuminated with an "Engine Unavailable" and “Reduced Propulsion” messages on the Driver Information Center. Technician will find Diagnostic Trouble Code P1B03. Technician should replace Motor 1 Stator. |
| PIP-5246 | 2015-01-14. Service bulletin. ENGINE. CHEVROLET/CADILLAC: WITH ENGINE UNAVAILABLE AND PROPULSION POWER REDUCED, CHECK ENGINE LIGHT IS ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE (DTC) P1B03, P0C01, P0C4E AND ROUGH OPERATION WITH ENGINE RUNNING. MODEL 2014-2015 ELR, 2011-2015 VOLT. *PE |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.