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

Date Published
JUL 07, 2021
NHTSA TSB #
10199223
TSB Document
Summary
In the event of a catalytic converter failure, which could negatively impact tailpipe emissions, existing diagnostics may not properly illuminate the Malfunction Indicator Light (MIL) due to an error identified with Rear O2 Sensor monitoring.