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
GMCYUKON DENALI2000
GMCYUKON DENALI XL2013
GMCYUKON DENALI XL2012
GMCYUKON DENALI XL2011
GMCYUKON DENALI XL2010
GMCYUKON DENALI XL2009
GMCYUKON DENALI XL2008
GMCYUKON DENALI XL2007
GMCYUKON DENALI XL2006
GMCYUKON DENALI XL2005
GMCYUKON DENALI XL2004
GMCYUKON XL2021
GMCYUKON XL2020
GMCYUKON XL2019
GMCYUKON XL2018
GMCYUKON XL2017
GMCYUKON XL2016
GMCYUKON XL2015
GMCYUKON XL2014
GMCYUKON XL2013
GMCYUKON XL2012
GMCYUKON XL2011
GMCYUKON XL2010
GMCYUKON XL2009
GMCYUKON XL2008
GMCYUKON XL2007
GMCYUKON XL2006
GMCYUKON XL2005
GMCYUKON XL2004
GMCYUKON XL2003

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