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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
CadillacCTS2006
CadillacCTS2005
CadillacCTS2004
CadillacCTS2003
CadillacCTS-V2018
CadillacCTS-V2016
CadillacCTS-V2015
CadillacCTS-V2014
CadillacCTS-V2012
CadillacCTS-V2011
CadillacCTS-V2010
CadillacCTS-V2007
CadillacCTS-V2006
CadillacCTS-V2005
CadillacCTS-V2004
CadillacDEVILLE2005
CadillacDEVILLE2004
CadillacDEVILLE2003
CadillacDEVILLE2002
CadillacDEVILLE2001
CadillacDEVILLE2000
CadillacDTS2012
CadillacDTS2011
CadillacDTS2010
CadillacDTS2009
CadillacDTS2008
CadillacDTS2007
CadillacDTS2006
CadillacDTS2005
CadillacDTS2004

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