Home21NA124 · BUICK, CADILLAC, CHEVROLET, GMC
BUICK, CADILLAC, CHEVROLET, GMC

21NA124

Manufacturer communications

Publication date
2021-05-25
Received by NHTSA
2021-07-06
NHTSA record numbers
10198890 · 10199281

Multiple filings of the same bulletin are grouped here; original record numbers remain available.

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
GMCENVOY2002
GMCENVOY2001
GMCENVOY2000
GMCENVOY XL2006
GMCENVOY XUV2005
GMCENVOY XUV2004
GMCG SERIES2003
GMCG SERIES2000
GMCG VAN BUS2010
GMCG VAN BUS2000
GMCGM2002
GMCGM2001
GMCJIMMY2004
GMCJIMMY2003
GMCJIMMY2002
GMCJIMMY2001
GMCJIMMY2000
GMCJIMMY CLASSIC2005
GMCM/L VAN2001
GMCM/L VAN2000
GMCSAFARI2005
GMCSAFARI2004
GMCSAFARI2003
GMCSAFARI2002
GMCSAFARI2001
GMCSAFARI2000
GMCSAFARI (GMC)2000
GMCSAVANA2021
GMCSAVANA2020
GMCSAVANA2019

Data coverage →