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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: Transmission and driveline are shown. Show all

Bulletins, newest first
080730026F2019-09-23. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
PIC6244D2019-08-12. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This Preliminary Information communication provides information to the technician about vehicles that have a Shift to Park message on the Driver Information Center. Technician will find Diagnostic Trouble Codes P1AEE, P1AEF, P1AF0, P1AF2, and P1E22. Technician will need to replace the transmission. Technician will need to review the latest version of PIP5321 for the Volt and PIP5390 for the Malibu.
16NA3382019-07-29. Service bulletin. POWER TRAIN. This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns.
080730035D2019-07-01. Service bulletin. POWER TRAIN. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
PIC6243E2019-06-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This Preliminary Information communication advises the technician that the Hybrid Powertrain Control Module 2 will be placed on a parts restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
030729004L2019-05-20. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; EQUIPMENT. This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions.
17NA0662019-03-25. Service bulletin. POWER TRAIN; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test.
16NA3382019-03-18. Service bulletin. POWER TRAIN. This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns.
PIC6243D2019-03-18. Service bulletin. POWER TRAIN. This Preliminary Information communication advises the technician that the Hybrid Powertrain Control Module 2 will be placed on a parts restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
PIP5321J2019-03-11. Service bulletin. POWER TRAIN. This Preliminary Information communication advises the technician the 5ET50 electric variable automatic transmission assembly and component restriction through the General Motors Technical Assistance Center has ended .
PIC6244C2018-11-13. Service bulletin. POWER TRAIN. This Preliminary Information communication provides information to the technician about vehicles that have a Shift to Park message on the Driver Information Center. Technician will find Diagnostic Trouble Codes P1AEE, P1AEF, P1AF0, P1AF2, and P1E22. Technician will need to replace the transmission. Technician will need to review the latest version of PIP5321 for the Volt and PIP5390 for the Malibu.
PIC6244B2018-11-13. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This Preliminary Information communication provides information to the technician about vehicles that have a Shift to Park message on the Driver Information Center. Technician will find Diagnostic Trouble Codes P1AEE, P1AEF, P1AF0, P1AF2, and P1E22. Technician will need to replace the transmission. Technician will need to review the latest version of PIP5321 for the Volt and PIP5390 for the Malibu.
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.