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Service bulletins for the 2021 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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
N2424375302024-04-03. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Service Update - Certain vehicles may have a condition in which a diagnostic trouble code (DTC), U3620-U362E or U3630-U3636, symptom 17, is triggered. This DTC is resulting in customers experiencing a Malfunction Indicator Lamp (MIL) illuminated in the Driver Information Center (DIC), Reduced Propulsion with corresponding DIC message, and a charging limited to 30% State of Charge. IMPORTANT: If the vehicle comes in with the DTC U3620-U362E or U3630-U3636, symptom 17 set, go to SI and follow the published SI diagnostic/repair procedures. After above repairs are performed, come back to this field action to get the required warranty claim code and close this field action with labor operation 9107166. If the DTC is not set, proceed with this bulletin. Dealers are to reprogram the Hybrid Powertrain Control Module 2.
22-NA-1512024-03-29. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides diagnostic and repair information for instances when DTC P0BBD may set.
23-NA-1032024-03-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).
N2324324302024-03-26. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Service Update - Certain vehicles may have a condition in which the internal mileage counter has been reset with a subsequent Hybrid/EV Powertrain Control Module 2 reprogramming event causing the HV Battery SOC to be limited to 80% beyond the required 6,213mi (10,000km). Dealers are to verify mileage, contact Techline and reprogram the Hybrid/EV Powertrain Control Module 2.
24-NA-0352024-03-19. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides a procedure to correct the condition of Charge Limited to 80% After Reaching 10,000 km (6,213 miles) for Recall N212345944 or N212345945.
21-NA-1482024-03-19. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; POWER TRAIN. This service bulletin provides diagnostic aid information for DTC P2797, P2798 or P0C2D for Transmission Fluid Pump Performance to correct a customer concern of a Propulsion Power is Reduced message on DIC combined with a Service Vehicle Soon MIL.
11-00-89-005X2024-03-19. Service bulletin. EQUIPMENT. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
07-00-89-037S2024-03-19. Service bulletin. EQUIPMENT. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
PIT5551N2024-03-18. Service bulletin. FORWARD COLLISION AVOIDANCE. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
24-NA-0402024-03-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
24-NA-0352024-03-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides a procedure to correct the condition of Charge Limited to 80% After Reaching 10,000 km (6,213 miles) for Recall N212345944 or N212345945.
17-NA-0732024-03-07. Service bulletin. UNKNOWN OR OTHER. This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
22-NA-1192024-02-29. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. The service bulletin provides warranty information on High Voltage Battery Safety Recall Replacement Parts.
22-NA-1142024-02-29. 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.
22-NA-1512024-02-23. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides diagnostic and repair information for instances when DTC P0BBD may set.
18-NA-1802024-02-23. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
18-NA-1802024-02-17. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
23-NA-1892024-02-14. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present on network communication circuits.
23-NA-0552024-02-14. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) – FAQs.
22-NA-1142024-02-14. 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.
PIE0753C2024-02-14. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This engineering information (EI) will assist GM to recover a small number of electric vehicle battery packs from customer-owned vehicles in the field for further engineering study and analysis.
24-NA-0152024-02-14. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides Hybrid/EV Charging Issue Information and Data Collection Worksheet.
PI0281K2024-02-14. Service bulletin. STRUCTURE. This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
PIP5601B2024-02-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be reviewed to determine the root cause of the concern. If a repair attempt made the concern better but not eliminated or had no affect at all, and are requesting assistance from General Motors Technical Assistance Center record another Pico file and save it to the computer. After the new Pico Oscilloscope data has been saved email the data to General Motors Technical Assistance Center in the subject line include ?Vibration? ?Business Associate Code? and the last 8 of the Vehicle Identification Number.
18-NA-0992024-02-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.

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