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
ChevroletEXPRESS2008
ChevroletEXPRESS2007
ChevroletEXPRESS2006
ChevroletEXPRESS2005
ChevroletEXPRESS2004
ChevroletEXPRESS2003
ChevroletEXPRESS2002
ChevroletEXPRESS2001
ChevroletEXPRESS2000
ChevroletEXPRESS 15002014
ChevroletEXPRESS 15002012
ChevroletEXPRESS 15002011
ChevroletEXPRESS 15002010
ChevroletEXPRESS 15002009
ChevroletEXPRESS 15002008
ChevroletEXPRESS 15002007
ChevroletEXPRESS 15002006
ChevroletEXPRESS 15002005
ChevroletEXPRESS 15002004
ChevroletEXPRESS 15002003
ChevroletEXPRESS 15002002
ChevroletEXPRESS 15002001
ChevroletEXPRESS 15002000
ChevroletEXPRESS 25002023
ChevroletEXPRESS 25002014
ChevroletEXPRESS 25002011
ChevroletEXPRESS 25002010
ChevroletEXPRESS 25002009
ChevroletEXPRESS 25002008
ChevroletEXPRESS 25002007

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