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Service bulletins for the 2019 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.

631 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
PIP5320G2018-11-13. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE; ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician that the drive motor generator control module is being placed on restriction through the General Motors Technical Assistance Center. Dealer will need to call General Motors Technical Assistance Center for further assistance.
PIC6285B2018-11-13. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary information communicates more information to help diagnoseP1AEE and P1AEF. It Gives 3 possible reason for the codes to set and areas to look.
PIC6199A2018-10-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician on the steps to diagnose the concern and the steps to repair the concern. Customer states that they are unable to select delayed or delayed/rate based charging. They will also state that the buttons that show up on the energy screen are greyed out.
PIC6130D2018-10-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician that the accessory power module is being placed on part restriction. Dealer will need to call General Motors Technical Assistance Center for part replacement authorization.
PIT56302018-10-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates the possible setting of B101D-39 in the OnStar module and advises of byte info to retrieve and of engineering investigation.
PIC6124D2018-09-17. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician the Battery Charge Module is being placed on restriction through the General Motors Technical Assistance Center. Dealer will need to call General Motors Technical Assistance Center for further assistance.
PIC6127K2018-09-17. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary Information communication advises the technician that the High Voltage Drive Motor Battery hasbeen placed on part restriction by General Motors Technical Assistance. Dealer will need to call General Motors Technical Assistance Center for further assistance.
PIP5321H2018-09-17. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician the 5ET50 electric variable automatic transmission assembly and component is being placed on restriction through the General Motors Technical Assistance Center. Dealer will need to call General Motors Technical Assistance Center for further assistance.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.