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
CadillacCATERA2002
CadillacCATERA2001
CadillacCATERA2000
CadillacCT42021
CadillacCT42020
CadillacCT52021
CadillacCT52020
CadillacCT62020
CadillacCT62019
CadillacCT62018
CadillacCT62017
CadillacCT62016
CadillacCTS2019
CadillacCTS2018
CadillacCTS2017
CadillacCTS2016
CadillacCTS2015
CadillacCTS2014
CadillacCTS2013
CadillacCTS2012
CadillacCTS2011
CadillacCTS2010
CadillacCTS2009
CadillacCTS2008
CadillacCTS2007
CadillacCTS2006
CadillacCTS2005
CadillacCTS2004
CadillacCTS2003
CadillacCTS-V2014

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