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TSB Document:
  • Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Chevrolet for this TSB. Call your local Chevrolet dealer's service department & ask for a copy of TSB# 17-NA-321.

Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

Summary
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.

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Date Published
OCT 01, 2017
NHTSA TSB #
10190310
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