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

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
GMCJIMMY2003
GMCJIMMY2002
GMCJIMMY2001
GMCJIMMY2000
GMCJIMMY CLASSIC2005
GMCL SERIES2003
GMCL SERIES2002
GMCL SERIES2001
GMCL SERIES2000
GMCL VAN2002
GMCL VAN2001
GMCL VAN2000
GMCM SERIES2002
GMCM SERIES2001
GMCM SERIES2000
GMCM VAN2002
GMCM VAN2001
GMCM VAN2000
GMCM/L SERIES2002
GMCM/L SERIES2001
GMCM/L SERIES2000
GMCM/L VAN2001
GMCM/L VAN2000
GMCP SERIES2002
GMCP SERIES2001
GMCP SERIES2000
GMCS/T JIMMY2001
GMCS/T JIMMY2000
GMCS152002
GMCS152001

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