Home21-NA-124 · BUICK, CADILLAC, CHEVROLET, GEO, GMC
BUICK, CADILLAC, CHEVROLET, GEO, GMC

21-NA-124

Manufacturer communications

Publication date
2022-12-14
Received by NHTSA
2023-01-06
NHTSA record numbers
10228888

Manufacturer summary

Original wording in English

This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.

NHTSA manufacturer communications ↗

Reported code forms

P0442P0455

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
ChevroletB SERIES2001
ChevroletB SERIES2000
ChevroletB6 MEDIUM DUTY2000
ChevroletB72002
ChevroletB72001
ChevroletB72000
ChevroletB7 MEDIUM DUTY2000
ChevroletBEAUVILLE2000
ChevroletBERETTA2002
ChevroletBLAZER2023
ChevroletBLAZER2022
ChevroletBLAZER2021
ChevroletBLAZER2020
ChevroletBLAZER2019
ChevroletBLAZER2009
ChevroletBLAZER2008
ChevroletBLAZER2007
ChevroletBLAZER2006
ChevroletBLAZER2005
ChevroletBLAZER2004
ChevroletBLAZER2003
ChevroletBLAZER2002
ChevroletBLAZER2001
ChevroletBLAZER2000
ChevroletC SERIES2009
ChevroletC SERIES2008
ChevroletC SERIES2007
ChevroletC SERIES2006
ChevroletC SERIES2005
ChevroletC SERIES2004

Data coverage →