Volkswagen TSB #Dealer 24GW

2021 Volkswagen Jetta

TSB Document:

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

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.

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Date Published
JUL 07, 2021
NHTSA TSB #
10199223
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