BUICK, CHEVROLET
19NA057
Manufacturer communications
- Publication date
- 2019-03-19
- Received by NHTSA
- 2019-04-22
- NHTSA record numbers
- 10158849
Manufacturer summary
Original wording in English
This Technical bulletin provides a procedure for dealers/technicians to correct a condition of Malfunction Indicator Lamp (MIL) Illuminated, DTC P0420 Set.
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.