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
BuickLESABRE2002
BuickLESABRE2001
BuickLESABRE2000
BuickLUCERNE2012
BuickLUCERNE2011
BuickLUCERNE2010
BuickLUCERNE2009
BuickLUCERNE2008
BuickLUCERNE2007
BuickLUCERNE2006
BuickPARK AVENUE2005
BuickPARK AVENUE2004
BuickPARK AVENUE2003
BuickPARK AVENUE2002
BuickPARK AVENUE2001
BuickPARK AVENUE2000
BuickRAINIER2007
BuickRAINIER2006
BuickRAINIER2005
BuickRAINIER2004
BuickREGAL2020
BuickREGAL2019
BuickREGAL2018
BuickREGAL2017
BuickREGAL2016
BuickREGAL2015
BuickREGAL2014
BuickREGAL2013
BuickREGAL2012
BuickREGAL2011

Data coverage →