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Service bulletins for the 2018 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.

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

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By component

By trouble code

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

Bulletins, newest first
22-NA-1142023-04-13. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides information on Forklift and Vehicle Hoist Requirements to Support Electric Vehicle (EV) High Voltage Battery Handling.
21-NA-0432023-04-13. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; WHEELS; ENGINE AND ENGINE COOLING. This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
23-NA-0442023-03-30. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides information on AGM batteries that require less frequent charging in storage.
19-NA-2202023-02-28. Service bulletin. ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM. This service bulletin provides a procedure to inspect and possibly replace the engine wiring harness if found damaged near the X2 connector to correct a customer concern of Loss of Propulsion, MIL Illuminated w/DTCs.
22-NA-1512023-02-08. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides diagnostic and repair information for instances when DTC P0BBD may set.
18-NA-1802023-02-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
PIP5632G2023-01-30. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
PIP4902Q2023-01-30. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
22-NA-1512023-01-06. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides diagnostic and repair information for instances when DTC P0BBD may set.
18-NA-1802022-11-03. Service bulletin. ELECTRICAL SYSTEM. This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
22-NA-2052022-11-02. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides information on Module Harvesting.
22-NA-1512022-10-28. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides diagnostic and repair information for instances when DTC P0BBD may set.
22-NA-1142022-10-28. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides information on Forklift and Vehicle Hoist Requirements to Support Electric Vehicle (EV) High Voltage Battery Handling.
N2223837812022-10-20. Service bulletin. ELECTRICAL SYSTEM. Certain vehicles may have a condition in which several fasteners internal and external of the high voltage battery pack may not have been torqued to specification. Dealers will secure all suspect connections to the appropriate torque specification.
N2223837802022-10-19. Service bulletin. ELECTRICAL SYSTEM. Certain vehicles may have a condition in which fasteners used to secure an external connector to the high voltage battery pack may not have been torqued to specification. Dealers will secure all suspect connections to the appropriate torque specification.
PI0592G2022-10-13. Service bulletin. ELECTRICAL SYSTEM. This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
22-NA-1512022-10-12. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides diagnostic and repair information for instances when DTC P0BBD may set.
13-08-116-001H2022-10-11. Service bulletin. ELECTRICAL SYSTEM. The intent of this service 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.
21-NA-0682022-10-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ.
22-NA-1512022-09-08. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This service bulletin provides diagnostic and repair information for instances when DTC P0BBD may set.
18-NA-1802022-09-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
22-NA-1512022-08-30. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides diagnostic and repair information for instances when DTC P0BBD may set.
N2223694002022-08-17. Service bulletin. ELECTRICAL SYSTEM. Certain vehicles are to receive a software update to improve the original Advanced Diagnostic Software. This software update addresses customer reports of difficulty connecting to a charger (2019 MY only), reduces false diagnostic activation in certain vehicles under certain driving conditions, and prevents diagnostic data loss. Dealers are to reprogram the Hybrid Powertrain Control Module 2 (HPCM2).
PIP5850B2022-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates that a returning P0BBD could be a fault setting code due to calibration that engineering is aware of at this time and is working to resolve the issue. It also gives direction to hold the vehicle and offer the customer with a loaner vehicle until remedy is found. if codes is not set to the parameters of the PI then to follow battery pack replacement procedures that have been out lined in service information.
PIT5569B2022-08-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR. This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC.

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