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
ChevroletTRAILBLAZER 3602002
ChevroletTRAILBLAZER EXT2006
ChevroletTRAILBLAZER EXT2004
ChevroletTRAILBLAZER EXT2003
ChevroletTRAILBLAZER EXT2002
ChevroletTRAILBLAZER EXT 3702006
ChevroletTRAILBLAZER EXT 3702005
ChevroletTRAILBLAZER EXT 3702004
ChevroletTRAILBLAZER EXT 3702003
ChevroletTRAILBLAZER EXT 3702002
ChevroletTRANS SPORT2005
ChevroletTRANS SPORT2002
ChevroletTRANS SPORT2001
ChevroletTRANS SPORT2000
ChevroletTRAVERSE2023
ChevroletTRAVERSE2022
ChevroletTRAVERSE2021
ChevroletTRAVERSE2020
ChevroletTRAVERSE2019
ChevroletTRAVERSE2018
ChevroletTRAVERSE2017
ChevroletTRAVERSE2016
ChevroletTRAVERSE2015
ChevroletTRAVERSE2014
ChevroletTRAVERSE2013
ChevroletTRAVERSE2012
ChevroletTRAVERSE2011
ChevroletTRAVERSE2010
ChevroletTRAVERSE2009
ChevroletTRAVERSE2008

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