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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

Bulletins, newest first
040089015T2019-03-18. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provides policy information on required operating procedures.
030603004X2019-03-18. Service bulletin. EQUIPMENT:ELECTRICAL. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
010089010M2019-03-18. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS).
PIC5650F2019-03-18. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
PIC6127L2019-03-18. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician that the High Voltage Drive Motor Battery has been placed on part restriction by General Motors Technical Assistance. Dealer will need to call General Motors Technical Assistance Center for further assistance.
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.
17NA2762019-03-18. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin provides information on Loss of Phone Pairing or Favorites, Last Setting of Volume, Station, App, and Audio Settings Change When Vehicle Shuts Down in Demo Mode and that this is considered a normal characteristic of the vehicle in demo mode.
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 .
PIC6231C2019-03-11. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles EV range is less than expected, or the estimated EV range on the display is greater than the actual range achieved. Dealer should walk the customer though using the energy screen. The energy screen will help the customer understand were there battery energy is being used.
PIC6285C2019-03-11. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates more information to help diagnose P1AEE and P1AEF. It Gives 3 possible reason for the codes to set and areas to look.
PIT5630B2019-03-11. 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 while engineering completes further investigation.
PIC6190A2018-12-17. Service bulletin. EQUIPMENT; STRUCTURE. This Preliminary Information communication advises the technician on cardboard shell that is found in the vehicle during Pre-Delivery Inspection. When performing a pre-delivery inspection you may find a piece of foam that is surrounded by a cardboard shell that is found in the vehicle during Pre-Delivery Inspection.
PIC6097A2018-12-17. Service bulletin. ELECTRICAL SYSTEM; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). This Preliminary Information communication provides information to the technician for balancing a hybrid battery pack after replacing a battery section. Certain unlisted codes may be experienced when using the battery service tool EL50332. If the codes are experienced check the following before calling Midtronic. Please make sure the USB memory stick is fully inserted into the machine. Make sure to follow the on screen instructions do not hook the machine to the battery section until instructed to do so. The balance machine should be on the latest software version available by following the latest version of preliminary information number PI1125.
PIT5630A2018-11-26. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM. This Preliminary information communicates the possible setting of B101D-39 in the OnStar module and advises of byte info to retrieve while engineering completes further investigation.
PIP56032018-11-26. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). This Preliminary information communicates the possibility of the PCV orifice in the valve cover being plugged and causing the check engine lamp to illuminate and set dtc P00C7 and P0106.
PIC6231B2018-11-13. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles EV range is less than expected, or the estimated EV range on the display is greater than the actual range achieved. Dealer should walk the customer though using the energy screen. The energy screen will help the customer understand were there battery energy is being used.
PIC6124E2018-11-13. Service bulletin. 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.
PIP5222A2018-11-13. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about the difficulty in detecting internal combustion engine misfires with a fully charged high voltage battery. Technician should ensure that the high voltage battery charge indicator is showing at least 2 bars below fully charged whenever performing strategy based diagnostics related to misfire.
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.
PIC6161C2018-11-13. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have unwanted engine flairs while the vehicle is at steady state speed or while the vehicle is slowing. Dealer should communicate to the customer this behavior is a normal operating characteristic of the 5ET50/MKV drive unit.
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.
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.

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