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Service bulletins for the 2011 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.

1715 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
12-07-30-001D2018-05-21. Service bulletin. POWER TRAIN; ENGINE. This informational bulletin provides a process to the service agents that are not required to contact PQC, to determine when to replace a assembly as opposed to repairing and if an engine or transmission is being returned, that it has all the information in relation to that part being returned.
02-07-30-029W2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION. This informational bulletin provides information to the technician on what parts of an engine or transmission will require the PQC to be notified.
02-07-30-029V2018-05-21. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING; EQUIPMENT. This informational bulletin provides information to the technician on what parts of an engine or transmission will require the PQC to be notified.
PI0938A2018-05-21. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION. This preliminary bulletin provides information on what labor operation number to use for various electrical/electronic control issues.
17-NA-0662018-05-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test.
080730035C2018-05-21. Service bulletin. POWER TRAIN. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
060089031E2018-05-21. Service bulletin. ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION. This informational bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
16NA3382018-05-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. This Bulletin provides guidelines 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.
16NA3382018-05-07. Service bulletin. POWER TRAIN. This Bulletin provides guidelines for Dealers to determine whether or not they need to contact the PQC for an engine, transmission or transfer case assembly replacement and information explaining the PQC process, Global Warranty Management Transaction submission, vehicle repair record retention and proper handling of assembly returns.
PI09382018-04-23. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This preliminary information bulletin provides information on powertrain and various electronic/electrical control issues.
12-07-30-001B2018-04-16. Service bulletin. POWER TRAIN. This informational bulletin provides information for service agents not required to contact product quality center for CNG, LPG or gasoline engine, transmission and/or transfer case.
PIC6309A2018-02-21. Service bulletin. POWER TRAIN. This Preliminary information communicates to Call TAC if the customer has a reudcued power message that does not fail under the normal area. This to program the HPCM2.
06-00-89-031C2017-12-22. Service bulletin. POWER TRAIN; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information to dealership personnel on proper engine and automatic transmission/transaxle identification.
PI1237A2017-12-22. Service bulletin. POWER TRAIN. This preliminary was created to inform the technician of a possible camshaft position exticer wheel not properly installed, if the engine was just previously repaired,and procedure on how to use the special tool to install the exciter wheels properly.
030729004I2017-12-22. Service bulletin. POWER TRAIN. This informational bulletin was created for the Manual Transmission Operating Characteristics. The different noises caused by driver habit, weather conditions , and normal manual transmission noises.
1203100022017-12-22. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. This informational bulletin provides a description of the proper wheel installation and proper wheel torque techniques used to install wheels onto vehicles
GCUS-9-26292017-12-22. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 38170 - Special Coverage. The accelerator pedal can break at the stalk just below the housing due to the driver entering or exiting the vehicle with their foot resting on the accelerator pedal. If the pedal breaks, it would not be possible to operate the accelerator once the stalk has broken off. The vehicle would return to idle regardless of transmission gear position. If this condition occurs within the stated terms dealers will replace the accelerator pedal.
PIC63092017-11-14. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE. This Preliminary information communicates to Call TAC if the customer has a reudcued power message that does not fail under the normal area. This to program the HPCM2.
09-07-30-018C2017-10-12. Service bulletin. POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION. This warranty administration bulletin provides information on the change in automatic transmission add conditions documentation and claim submissions
PIP4840R2017-10-04. Service bulletin. POWER TRAIN. This Preliminary Information communication advises the technician that the 4ET50 electric variable automatic transmission assembly and component restriction has ened for the 2011-2016 MY Chevrolet Volt and Cadillac ELR.
16-NA-3382017-08-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This Bulletin provides guidelines 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.
PIP4840M2017-08-15. Service bulletin. POWER TRAIN. This Preliminary Information communication advises the technician that 4ET50 transmission assembly and component restriction will be administered by General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
PIP53322017-08-15. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have transmission fluid found in the Power Inverter Module aux pump connector. Technician will need to replace the Aux pump with new harness and clean Power Inverter Module connections.
PIP5202A2017-08-15. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN; ENGINE. 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 may find Diagnostic Trouble Codes a P0AB9 and P0AC4. Technician should not clear any Diagnostic Trouble Codes and ensure Global Diagnostic System 2 is up to date. Technician will need to use Global Diagnostic System 2 and check all modules for Diagnostic Trouble Codes. Now use Global Diagnostic System 2 to create freeze frame data from Hybrid Powertrain Control Module and the Engine Control Module and save a report. Technician will need to verify that the vehicle had not been run very low or out of fuel. Also verify the customer did not press the Power Button causing the vehicle to turn off while driving. Verify that the Internal Combustion Engine runs properly and no other engine related or communication related Diagnostic Trouble Codes are present. Technician should inquire if the remote star was used on the last two drive cycles before the Diagnostic Trouble Code set. Technician should update the Engine Control Module if so. Technician should inspect the ground locations G106 (engine block) and G113 (drive unit case) have been cleaned and are secure making sure the ground eyelets do not spin. Technician should also check for past service history for prior mechanical engine or wiring harness repairs. Inspect the cam timing connector and repair any damage.
PIC6015A2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary Information communication provides information to the technician when the vehicle will not charge the high voltage battery, current Diagnostic Trouble Codes, and the vehicle will not shift out of park. Technician will follow Service Information for any current Diagnostic Trouble Codes. Technician will insure the charge cord is working correctly. Verify that the issue was not a result of charging infrastructure. Also monitoring the proximity signal for an improper or noisy signal as called out in the current version of PIP4905 may assist in finding a receptacle concern. Inspect the charge receptacle for cracking or water intrusion. If you find an issue with the charge receptacle, a new updated charge receptacle has been released to address the issues.

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