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Service bulletins for the 2019 Chevrolet Bolt EV

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.

630 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
21-NA-2612022-04-01. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides a procedure for dealers/technicians to follow on vehicles with a charge limited to 80% After Battery Pack Replaced for Recall N212343881 or N212345941.
21-NA-2612022-03-30. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides a procedure for dealers/technicians to follow on vehicles with a charge limited to 80% After Battery Pack Replaced for Recall N212343881 or N212345941.
PIC64502022-03-14. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates a process to correct the concern of Unable to contact OnStar after the 3G EOL on 2015-2022 model year vehicles in the United States.
PIC64492022-02-14. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY. This Preliminary information communicates to the dealers on the process to be able to order a replacement High Voltage battery pack for a vehicle that has a High Voltage battery battery concern and is not on the current open recall list. This document will add in advising the dealers to contact TAC with needed information so TAC can review the data to verify that the vehicle need a High Voltage battery and then TAC will release the High voltage battery so the dealer can repair the vehicle for the customer. Also the Administrative Details have the direction for the consultants to be able to follow and handle the case information as it comes in.
21NA2612021-12-27. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides information for dealers/technicians on charge limited to 80% After Battery Pack Replaced for Recall N212343881 or N212345941.
20NA1322021-12-20. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
PIT5698B2021-09-13. Service bulletin. ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS. This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
18NA2792021-07-19. Service bulletin. LATCHES/LOCKS/LINKAGES; ELECTRICAL SYSTEM. This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
21NA1242021-07-06. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.
N2023236902021-05-24. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. Customer Satisfaction Program. Certain vehicles have a new software package of advanced onboard diagnostics. Dealers will update the software on the body control module and HPCM2 module.
20NA1322021-05-03. Service bulletin. ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
20NA1192021-05-03. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides information on Radio Software Version 34.9.2 and 46.1.6 update to correct software issues.
16NA0192021-02-01. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
PIC64222020-12-14. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This Preliminary information communicates that If the K114B HPCM2 module is reprogrammed for any reason using normal Service Programming on a 2019 model year Bolt EV, the vehicle will be limited to 90% state of charge on the propulsion battery. Vehicles not involved in the safety recall N20231173 will also have the 90% limit if programmed. Customers may complain that EV range was reduced if the state of charge is unnecessarily limited.
1308116001F2020-12-07. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION. The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
17NA0972020-11-30. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY; EQUIPMENT. This service bulletin provides a procedure to apply butyl tape to the object sensing alert module brackets to correct a side blind zone not working correctly or Side Mirror Notification condition.
20NA1732020-10-26. Service bulletin. POWER TRAIN; EQUIPMENT; ELECTRICAL SYSTEM. This Technical bulletin provides a Service Procedure to correct a customer concern of a Service Vehicle Soon Light Illuminated, DTC P0534 Set.
20NA1572020-10-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.
20NA1572020-09-28. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.
20NA1302020-08-31. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:REARVIEW MIRRORS/DEVICES. This informational bulletin provides information for customers and dealers/technicians on Message Illuminated in the DIC, DTC B094C (39) Set.
N1922783902020-08-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Customer Satisfaction Program - certain vehicles built between January 1, 2019 and June 30, 2019, may have a condition in which the manual service disconnect fuse opens at too low an amperage resulting in a check engine light turning on or the vehicle will not start or in rare cases a loss of propulsion. Dealers are to replace the manual service disconnect fuse.
PIC6372A2020-08-10. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician that the MSD (manual service disconnect) will need to be order only through WPC (warranty parts center) at this time until all stock has been checked and verified.
20NA1322020-08-10. Service bulletin. ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
060089029T2020-06-22. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT. This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
060089029S2020-06-22. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT. This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.

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