Land Rover TSB #SSM74404

2018 Land Rover Discovery

TSB Document:

Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

Summary
Degradation of the primary catalytic converter. The DTC P0420-00 stored in the PCM indicates the primary catalyst is not operating at an optimal level.

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Date Published
APR 30, 2019
NHTSA TSB #
10160432
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