Home21-NA-124 · BUICK, CADILLAC, CHEVROLET, GEO, GMC
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
GMCSAVANA 25002014
GMCSAVANA 25002013
GMCSAVANA 25002012
GMCSAVANA 25002011
GMCSAVANA 25002010
GMCSAVANA 25002009
GMCSAVANA 25002008
GMCSAVANA 25002007
GMCSAVANA 25002006
GMCSAVANA 25002005
GMCSAVANA 25002004
GMCSAVANA 25002003
GMCSAVANA 25002002
GMCSAVANA 25002001
GMCSAVANA 25002000
GMCSAVANA 35002018
GMCSAVANA 35002017
GMCSAVANA 35002016
GMCSAVANA 35002015
GMCSAVANA 35002014
GMCSAVANA 35002013
GMCSAVANA 35002012
GMCSAVANA 35002011
GMCSAVANA 35002010
GMCSAVANA 35002009
GMCSAVANA 35002008
GMCSAVANA 35002007
GMCSAVANA 35002006
GMCSAVANA 35002005
GMCSAVANA 35002004

Data coverage →