Home17-NA-321 · CADILLAC, CHEVROLET
CADILLAC, CHEVROLET

17-NA-321

Manufacturer communications

Publication date
2017-10-01
Received by NHTSA
2021-04-15
NHTSA record numbers
10190310

Manufacturer summary

Original wording in English

Exhaust Smell and/or Leak with Possible Malfunction Indicator Lamp Illuminated Condition Some customers may comment on an exhaust smell and/or leak with possible malfunction indicator lamp illuminated. During diagnosis, a technician may find DTC P0430 and/or P0420. Cause This may be due to a crack around the catalytic mounting flange. Correction Replace converter assembly with new service part.

NHTSA manufacturer communications ↗

Reported code forms

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
CadillacXTS2018
CadillacXTS2017
CadillacXTS2016
CadillacXTS2015
CadillacXTS2014
CadillacXTS2013
ChevroletIMPALA2018
ChevroletIMPALA2017
ChevroletIMPALA2016
ChevroletIMPALA2015
ChevroletIMPALA2014

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