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Service bulletin 20-NA-130

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10231366
Published by NHTSA2023-02-07
Manufacturer's number20-NA-130
Manufacturer's date2023-01-20
NHTSA componentUNKNOWN OR OTHER; ELECTRICAL SYSTEM:WIRING; EQUIPMENT; VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR; ELECTRICAL SYSTEM

NHTSA's summary

This service bulletin provides information for customers and dealers/technicians on Message Illuminated in the DIC, DTC B094C (39) Set.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Equipment and accessories, Glass, wipers and mirrors, Mirrors, Wiring and fuses

Trouble codes named

B094C

Vehicles listed
CHEVROLET BOLT EV2019, 2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
19-NA-2202023-02-28. Service bulletin. 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.
20NA1302020-08-31. Service bulletin. This informational bulletin provides information for customers and dealers/technicians on Message Illuminated in the DIC, DTC B094C (39) Set.
19NA2202020-06-22. Service bulletin. 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.
19NA2202020-04-06. Service bulletin. 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.
PIC6241C2019-06-03. Service bulletin. This Preliminary Information communication advises the technician that the Generator Battery Control Wiring Junction Block (T24) will be placed on a parts restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
18NA1822019-04-22. Service bulletin. This informational bulletin provides information for dealers/technicians on locating and repairing water leaks in the rear cargo area, rear compartment well, possible loss of chime and/or radio functions.
16NA3422019-03-25. Service bulletin. This technical bulletin provides a procedure to check the rearview mirror coax connector for looseness by disconnecting and reconnecting the electrical connector and to correct the customers concern for the rearview mirror video screen displaying blue.
100089005H2019-03-18. Service bulletin. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.