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Service bulletins for the 2012 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.

1848 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
PIP5628E2022-01-24. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
PIP5246A2022-01-24. Service bulletin. ENGINE AND ENGINE COOLING. 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 will find Diagnostic Trouble Code P1B03. Technician should replace Motor 1 Stator.
06-00-89-031D2021-09-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN; ENGINE. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
19NA0442021-07-19. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
19NA0442021-07-06. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
000601026N2021-06-07. Service bulletin. ENGINE. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
20NA1382021-05-03. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
06-00-89-031D2021-04-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
PIP5540G2021-04-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
010601011L2021-03-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION; EQUIPMENT. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
010601011L2021-02-01. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
060089031F2020-12-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
20NA2132020-11-30. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ENGINE AND ENGINE COOLING. This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48.
16NA2222020-11-30. Service bulletin. ENGINE. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
PIP5628C2020-11-16. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
16NA3382020-08-31. Service bulletin. ENGINE; 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 for Canadian Dealers only.
PIP5226D2020-08-10. Service bulletin. EQUIPMENT; ENGINE. This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.
PIP5684B2020-08-10. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT. This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.
16NA3832020-06-22. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
PIP5628B2020-06-15. Service bulletin. ENGINE. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
PIP5684A2020-06-15. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.
PIC5650G2020-05-11. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 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.
040601029J2020-04-06. Service bulletin. ENGINE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules.
PIC5903C2020-02-10. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have Service Vehicle Soon Lamp or Check Engine Lamp is on. Technician may find Diagnostic Trouble Code P0534. Technician will use a scan tool to check for all Diagnostic Trouble Codes that are set, but should not delete any Diagnostic Trouble Codes found. Technician should also capture any Freeze Frame data in a Global Diagnostic System 2 Session Log. Technician will need to inspect the Rechargeable Energy Storage System and replace if it has three notches. On Volt and Ampera models check the Hybrid Processor Control Module 2 for having the latest software. Technician should update the Hybrid Processor Control Module 2 with the latest calibrations if need. If the module is up to date use Global Diagnostic System 2 to monitor the High and Low Side Refrigerant Pressures with the Air Conditioner Compress or Speed with the Heater-Vent-Air Conditioning temperature to maximum cold, high blower speed. Technician should follow published Service Information diagnostics if Diagnostic Trouble Code P0534 sets. If the technician finds both the High and Low Side Refrigerant Pressures are found to be low then connect the Refrigerant Recovery/Recharge Air Condition machine and check the Refrigerant level. Technician should follow ?Refrigerant Loss? in Service Information Diagnostics if the refrigerant level is less than 800 grams. When working on Spark Electric Vehicle technician should follow all published Service Information diagnostics before and other diagnostics or repairs. Technician should use the GE 50300 Refrigerant Recovery/Recharge Air Condition machine and check the R1234yf Refrigerant level. If the Refrigerant level is low technician should follow published Service Information diagnostics. If the Refrigerant level is over 500 grams technician will use Global Diagnostic System 2 to verify if the Remote Heater and Air Conditioning Module is up to date and update if n
PIP5540F2020-02-10. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.

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