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Service bulletins for the 2015 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.

1419 on file from NHTSA, as of 2026-10-19.

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By component

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Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
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.
PIC6292A2018-02-21. Service bulletin. POWER TRAIN. This Preliminary information communicates that aPropulsion Power is reduced message occurs during regular operation, and there are no DTCs present, then contact GM Technical Assistance for direction
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.
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.
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.
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.
PIT54422017-08-15. Service bulletin. POWER TRAIN; EQUIPMENT:ELECTRICAL. This Preliminary Information communication provides information to the technician of an engine power reduced message on the driver information center after performing the Canada Onstar® 4G upgrade. If the concern is present park the vehicle outside and call General Motors Technical Assistance Center.
PIC62922017-08-15. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY; POWER TRAIN. This Preliminary information communicates that aPropulsion Power is reduced message occurs during regular operation, and there are no DTCs present, then contact GM Technical Assistance for direction
PI15212017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; STEERING; POWER TRAIN. This preliminary informational bulletin provides repair information to correct a customer concern of loss of power steering assist, hard to steer, and/or "Service Power Steering" message on in DIC.
15-07-30-0012017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. This technical bulletin provides repair information for a customer concern of a clunk noise when shifting into Drive or Reverse, or during heavy acceleration.
PIP54632017-08-15. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); HYBRID PROPULSION SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on and may have a loss of propulsion. Technician may find Diagnostic Trouble Code P0604 set in the Hybrid Powertrain Control Module Technician will need to replace the (T6) Power Inverter Module.
PIC5380G2017-08-15. Service bulletin. HYBRID PROPULSION SYSTEM; POWER TRAIN. This Preliminary Information communication advises the technician that the K114B Hybrid Powertrain Control Module 2, also known as the Hybrid Powertrain Control Module 2 part numbers 22994053 and 22985723 are being placed on restriction through General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
PIP4840Q2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This Preliminary Information communication advises the technician that the 4ET50 electric variable automatic transmission assembly and component restriction for the 2011-2016 MY Chevrolet Volt and Cadillac ELR. Dealer will need to call General Motors Technical Assistance Center for further assistance.
PIP4841P2017-05-16. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; POWER TRAIN:AUTOMATIC TRANSMISSION. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE HIGH VOLTAGE DRIVE MOTOR BATTERY AND BATTERY SECTIONS ARE BEING PLACED ON RESTRICTION THROUGH THE GENERAL MOTORS TECHNICAL ASSISTANCE CENTER. DEALER WILL NEED TO CONTACT GENERAL MOTORS TECHNICAL ASSISTANCE CENTER FOR FURTHER ASSISTANCE.
16-NA-1812016-10-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO UPDATE THE TRANSMISSION ELECTRO-HYDRAULIC CONTROL MODULE (TEHCM) WITH THE LATEST SOFTWARE TO CORRECT A CUSTOMER CONCERN ON REDUCED ACCELERATION WITH NO REDUCED PROPULSION WHEN PUSHING THE ACCELERATOR PEDAL TO THE FLOOR, WITH MESSAGE ON THE DRIVER INFORMATION CENTER (DIC) DUE TO SPECIFIC SHIFT TRANSITIONS, AN INTERMITTENT HYDRAULIC PRESSURE SWITCH SIGNAL DOES NOT ALLOW THE SHIFT TO COMPLETE RESULTING IN PROPULSION WITH NO DTC DUE TO SOFTWARE ANOMALY.
SB-03-07-29-004K2016-08-06. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. THIS INFORMATIONAL BULLETIN PROVIDE INFORMATION ON THE OPERATING CHARACTERISTICS OF A MANUAL TRANSMISSION.
PIP53322016-07-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIC5380G2016-06-22. Service bulletin. POWER TRAIN. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-08-24-152016-02-04. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER. GENERAL MOTORS: PARTS FOR MOST VEHICLES, CLUTCH, MASTER CYLINDER ASSEMBLY ARE, REQUIRED AND REQUESTED, TO BE RETURNED AND NEED TO REORDER REPLACEMENT PARTS USING SAME PART NUMBERS. *PE

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