Service bulletins for the 2020 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.
601 on file from NHTSA, as of 2026-10-19.
By type
By component
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Only bulletins with component: Wiring and fuses are shown. Show all
| 19-NA-220 | 2023-02-28. 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. |
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| 20-NA-130 | 2023-02-07. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:WIRING; EQUIPMENT; VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR; ELECTRICAL SYSTEM. This service bulletin provides information for customers and dealers/technicians on Message Illuminated in the DIC, DTC B094C (39) Set. |
| 19NA220 | 2020-06-22. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM:WIRING; ENGINE; HYBRID PROPULSION SYSTEM. This technical bulletin provides a procedure to inspect and possibly replace the engine wiring harness if found damaged near the X2 connector to correct a Loss of Propulsion, MIL Illuminated w/DTCs. |
| 19NA220 | 2020-04-06. Service bulletin. ENGINE; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:WIRING. This technical bulletin provides a procedure to inspect and possibly replace the engine wiring harness if found damaged near the X2 connector to correct a Loss of Propulsion, MIL Illuminated w/DTCs. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.