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
ChevroletEXPRESS 25002006
ChevroletEXPRESS 25002005
ChevroletEXPRESS 25002004
ChevroletEXPRESS 25002003
ChevroletEXPRESS 25002002
ChevroletEXPRESS 25002001
ChevroletEXPRESS 25002000
ChevroletEXPRESS 35002023
ChevroletEXPRESS 35002014
ChevroletEXPRESS 35002012
ChevroletEXPRESS 35002010
ChevroletEXPRESS 35002009
ChevroletEXPRESS 35002008
ChevroletEXPRESS 35002007
ChevroletEXPRESS 35002006
ChevroletEXPRESS 35002005
ChevroletEXPRESS 35002004
ChevroletEXPRESS 35002003
ChevroletEXPRESS 35002002
ChevroletEXPRESS 35002001
ChevroletEXPRESS 35002000
ChevroletEXPRESS 45002016
ChevroletEXPRESS 45002014
ChevroletEXPRESS 45002012
ChevroletEXPRESS 45002009
ChevroletEXPRESS CUTAWAY2013
ChevroletEXPRESS CUTAWAY VAN2008
ChevroletEXPRESS CUTAWAY VAN2007
ChevroletEXPRESS CUTAWAY VAN2006
ChevroletF SERIES2006

Data coverage →