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
GMCENVOY2006
GMCENVOY2005
GMCENVOY2004
GMCENVOY2003
GMCENVOY2002
GMCENVOY2001
GMCENVOY2000
GMCENVOY 3602009
GMCENVOY 3602008
GMCENVOY 3602007
GMCENVOY 3602006
GMCENVOY 3602005
GMCENVOY 3602004
GMCENVOY 3602003
GMCENVOY 3602002
GMCENVOY DENALI2007
GMCENVOY DENALI2006
GMCENVOY DENALI XL2006
GMCENVOY XL2006
GMCENVOY XL2004
GMCENVOY XL2003
GMCENVOY XL2002
GMCENVOY XL 3702006
GMCENVOY XL 3702005
GMCENVOY XL 3702004
GMCENVOY XL 3702003
GMCENVOY XL 3702002
GMCENVOY XUV2005
GMCENVOY XUV2004
GMCENVOY XUV2003

Data coverage →