CHEVROLET
23-NA-139
Manufacturer communications
- Publication date
- 2023-08-09
- Received by NHTSA
- 2023-09-13
- NHTSA record numbers
- 10242203
Manufacturer summary
Original wording in English
This service bulletin advises the tech on what to do if the specific codes P1955 and/or P0867 have been set for the transmission to correct customer concerns of a Service Transmission Message Displayed on Driver Information Center (DIC), Malfunction Indicator Lamp (MIL) Illuminated.
Reported code forms
Check vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.