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
ChevroletSPARK2013
ChevroletSPARK EV2017
ChevroletSPARK EV2016
ChevroletSPARK EV2015
ChevroletSPARK EV2014
ChevroletSSR2006
ChevroletSSR2005
ChevroletSSR2004
ChevroletSSR2003
ChevroletSUBURBAN2021
ChevroletSUBURBAN2020
ChevroletSUBURBAN2019
ChevroletSUBURBAN2018
ChevroletSUBURBAN2017
ChevroletSUBURBAN2016
ChevroletSUBURBAN2015
ChevroletSUBURBAN2014
ChevroletSUBURBAN2013
ChevroletSUBURBAN2012
ChevroletSUBURBAN2011
ChevroletSUBURBAN2010
ChevroletSUBURBAN2009
ChevroletSUBURBAN2008
ChevroletSUBURBAN2007
ChevroletSUBURBAN2006
ChevroletSUBURBAN2005
ChevroletSUBURBAN2004
ChevroletSUBURBAN2003
ChevroletSUBURBAN2002
ChevroletSUBURBAN2001

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