2021 Chevrolet Bolt EV service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Wiring diagrams and electrical sections
- Powertrain, brakes, steering, suspension, HVAC and more
Trims covered
- Premier Hatchback 4-Door
- LT Hatchback 4-Door
Engines covered
- BATTERY EV (EV/BEV)
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
General Motors, LLC (GM) is recalling certain 2020-2022 Chevrolet Bolt EV and 2022 Chevrolet Bolt EUV vehicles. The high voltage battery could catch fire when charged to full or n
A battery fire increases the risk of injury.
Owners are advised to take the following interim steps: Set the Target Charge Level featu
General Motors, LLC (GM) is recalling certain 2017-2023 Chevrolet Bolt EV vehicles. After a crash with seat belt pretensioner deployment, the pretensioner exhaust may ignite carpe
A vehicle fire can increase the risk of injury.
Dealers will install metal foil at the carpet near the pretensioner exhaust, and install a
General Motors, LLC (GM) is recalling certain 2017-2023 Chevrolet Bolt EV vehicles. This recall includes certain vehicles previously repaired incorrectly under NHTSA recall number
A fire increases the risk of injury.
Dealers will inspect both front seat belt pretensioners and, if necessary, install metal f
Pi created to provide GM dealers with information on gathering information for projection issue
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
Improvements to OnStar functionality.
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
Certain vehicles may have been sold with a GM NACS Level 2 EV charging adapter (NACS to J1772) in which a quality issue was identified. Dealers are to provide the customer with the latest design charging adapter.
Showing the 8 most recent of 500 technical service bulletins on file with NHTSA.
I was in a car accident on February 9th, in which my airbags did not deploy, however, I did receive an error in my Chevy app that my Air Bag system requires attention. I sustained
Video available and was given to USAA insurance company. This 2021 GM Chevrolet Bolt EV Premier trim vehicle experienced a sudden uncommanded extreme acceleration when I selected
Video available and was given to USAA insurance company. This 2021 GM Chevrolet Bolt EV Premier trim vehicle experienced a sudden uncommanded extreme acceleration when I selected
Video available and was given to USAA insurance company. This 2021 GM Chevrolet Bolt EV Premier trim vehicle experienced a sudden uncommanded extreme acceleration when I selected
Showing the 4 most serious of 96 complaints filed with NHTSA.
