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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 ESV2020
CadillacESCALADE ESV2019
CadillacESCALADE ESV2018
CadillacESCALADE ESV2017
CadillacESCALADE ESV2016
CadillacESCALADE ESV2015
CadillacESCALADE ESV2014
CadillacESCALADE ESV2013
CadillacESCALADE ESV2012
CadillacESCALADE ESV2011
CadillacESCALADE ESV2010
CadillacESCALADE ESV2009
CadillacESCALADE ESV2008
CadillacESCALADE ESV2007
CadillacESCALADE ESV2006
CadillacESCALADE ESV2005
CadillacESCALADE ESV2004
CadillacESCALADE ESV2003
CadillacESCALADE EXT2014
CadillacESCALADE EXT2013
CadillacESCALADE EXT2012
CadillacESCALADE EXT2011
CadillacESCALADE EXT2010
CadillacESCALADE EXT2009
CadillacESCALADE EXT2008
CadillacESCALADE EXT2007
CadillacESCALADE EXT 15002011
CadillacESCALADE EXT 15002010
CadillacESCALADE EXT 15002009
CadillacESCALADE EXT 15002008

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