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
ChevroletTRACKER2003
ChevroletTRACKER2002
ChevroletTRACKER2001
ChevroletTRACKER2000
ChevroletTRAILBLAZER2023
ChevroletTRAILBLAZER2022
ChevroletTRAILBLAZER2021
ChevroletTRAILBLAZER2020
ChevroletTRAILBLAZER2019
ChevroletTRAILBLAZER2018
ChevroletTRAILBLAZER2017
ChevroletTRAILBLAZER2014
ChevroletTRAILBLAZER2013
ChevroletTRAILBLAZER2009
ChevroletTRAILBLAZER2008
ChevroletTRAILBLAZER2007
ChevroletTRAILBLAZER2006
ChevroletTRAILBLAZER2005
ChevroletTRAILBLAZER2004
ChevroletTRAILBLAZER2003
ChevroletTRAILBLAZER2002
ChevroletTRAILBLAZER2001
ChevroletTRAILBLAZER2000
ChevroletTRAILBLAZER 3602009
ChevroletTRAILBLAZER 3602008
ChevroletTRAILBLAZER 3602007
ChevroletTRAILBLAZER 3602006
ChevroletTRAILBLAZER 3602005
ChevroletTRAILBLAZER 3602004
ChevroletTRAILBLAZER 3602003

Data coverage →