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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.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
PIT5236K2019-04-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will use Global Diagnostic System 2 to review the Firmware Over-the-Air version. If the Firmware Over-the-Air version on the scan tool equals 6708 the technician will need to contact General Motors Technical Assistance Center for further assistance. If the Firmware Over-the-Air version on the scan tool is lower than 6708 Dealer can order the part thought the Instrument Sales and Service website process.
PIT5074K2019-04-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.
PIP4723C2019-04-08. Service bulletin. EQUIPMENT; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
PIP4841S2019-04-08. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary Information communication advises the technician 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.
PIP4869F2019-04-08. Service bulletin. ENGINE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary Information communication provides information to the technician about vehicles that display a ?Propulsion Power is Reduced? in the Driver Information Center when driving in the mountains. Dealer should advise the customer the vehicle should be placed in Mountain Mode on the vehicle when the vehicle has a full charge if their travel plans involve mountainous driving before the next charge event.
PIC5414J2019-04-08. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician what affects electric range and provides driving tips for better energy efficiency. Vehicles may have an electric range is less than customer expectations or what is being displayed on the in-vehicle display for EV range.
PIP4869E2019-04-08. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE. This Preliminary Information communication provides information to the technician about vehicles that display a ?Propulsion Power is Reduced? in the Driver Information Center when driving in the mountains. Dealer should advise the customer the vehicle should be placed in Mountain Mode on the vehicle when the vehicle has a full charge if their travel plans involve mountainous driving before the next charge event.
PIP4859E2019-04-08. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician on the steps to vacuum fill to ensure the cooling system is properly filled. Technician will need to use special tool GE-47716 Vac-N-Fill Coolant Refill Tool. Technician will also perform Hybrid/EV Battery Pack Coolant Pump Bleed Procedure in the GDS2 tool. After performing the GDS2 coolant bleed procedure drive vehicle for approximately 5 miles in a slalom type of situation to purge any remaining air from battery pack cooling plates.
110849001Y2019-03-25. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message On and Off.
060847001N2019-03-25. Service bulletin. ELECTRICAL SYSTEM. This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.
100089005H2019-03-18. Service bulletin. ELECTRICAL SYSTEM:WIRING. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
PIC6015C2019-03-18. Service bulletin. ELECTRICAL SYSTEM. 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.
PIP4841U2019-03-18. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician the High Voltage Drive Motor Battery 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.
PIC6132A2019-03-11. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have the chime sounding for 8 to 10 minutes after the vehicle is running and all the doors closed. The concern may have started after the body control module was updated. Make sure the keyless entry module software is at the latest available from TIS2WEB. The software mismatch between the two modules can cause this concern. If the software is up to date follow normal service information diagnostics.
PIC5903B2019-03-11. Service bulletin. ELECTRICAL SYSTEM. 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
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.
PIP4890B2018-12-17. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that will not start and a message on the Drivers Information Center (DIC) displays: "Battery Too Cold, Plug In To Warm" message. Dealer should communicate to the customer to plug the vehicle in to allow the charging system to warm the high voltage battery, and then the vehicle can be started.
11-08-49-001L2018-12-10. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides a procedure on how to turn the transport mode message of and reset the battery light flashing.
PIP4841T2018-09-17. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary Information communication advises the technician the High Voltage Drive Motor Battery 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.
11-08-49-001L2018-06-25. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This technical bulletin provides a procedure on how to turn the transport mode message of and reset the battery light flashing.
PIT5399A2018-06-18. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Technician should insure the customer is using an original equipment manufacturer Apple USB cable.
PI0938A2018-06-11. Service bulletin. ELECTRICAL SYSTEM; ELECTRONIC STABILITY CONTROL (ESC). This preliminary bulletin provides information on what labor operation number to use for various electrical/electronic control issues.
PI1125A2018-06-11. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This preliminary information bulletin provides a procedure to perform a software update for the EL-50332.
10-08-45-001E2018-06-04. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin updates information on electrical ground repairs using new replacement fasteners with conductive finish.
06-08-47-001K2018-06-04. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information on control module diagnostics and configuration, programming using the TIS Service Programming System (SPS), set-up and warranty.

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