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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

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
CadillacESCALADE EXT 15002007
CadillacESCALADE EXT 15002006
CadillacESCALADE EXT 15002005
CadillacESCALADE EXT 15002004
CadillacESCALADE EXT 15002003
CadillacESCALADE EXT 15002002
CadillacESCALADE HYBRID2014
CadillacESCALADE HYBRID2013
CadillacESCALADE HYBRID2012
CadillacESCALADE HYBRID2011
CadillacESCALADE HYBRID2010
CadillacESCALADE HYBRID2009
CadillacESCALADE HYBRID2008
CadillacESCALADE NA2021
CadillacSEVILLE2004
CadillacSEVILLE2003
CadillacSEVILLE2002
CadillacSEVILLE2001
CadillacSEVILLE2000
CadillacSLS2004
CadillacSLS2002
CadillacSLS2000
CadillacSRX2019
CadillacSRX2018
CadillacSRX2017
CadillacSRX2016
CadillacSRX2015
CadillacSRX2014
CadillacSRX2013
CadillacSRX2012

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