Home21NA124 · BUICK, CADILLAC, CHEVROLET, GMC
BUICK, CADILLAC, CHEVROLET, GMC

21NA124

Manufacturer communications

Publication date
2021-05-25
Received by NHTSA
2021-07-06
NHTSA record numbers
10198890 · 10199281

Multiple filings of the same bulletin are grouped here; original record numbers remain available.

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
GMCACADIA2007
GMCC SERIES2009
GMCC SERIES2008
GMCC SERIES2007
GMCC SERIES2006
GMCC SERIES2005
GMCC SERIES2004
GMCCANYON2021
GMCCANYON2020
GMCCANYON2019
GMCCANYON2018
GMCCANYON2017
GMCCANYON2016
GMCCANYON2015
GMCCANYON2012
GMCCANYON2011
GMCCANYON2010
GMCCANYON2009
GMCCANYON2008
GMCCANYON2007
GMCCANYON2006
GMCCANYON2005
GMCCANYON2004
GMCENVOY2009
GMCENVOY2008
GMCENVOY2007
GMCENVOY2006
GMCENVOY2005
GMCENVOY2004
GMCENVOY2003

Data coverage →