P0432

The efficiency of the left catalytic converter is insufficient. (function chain) (P0432)


Possible cause:

- Catalytic converter of left cylinder bank
Affected functions:

- Engine diagnosis
- Exhaust system

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Test 1: Check component G3/3 (Left O2 sensor, before TWC [KAT]).

Test 2: Check component G3/5 (Left O2 sensor, after TWC [KAT]).

1. Check component G3/3 (Left O2 sensor, before TWC [KAT]).
Warning!Communication with ECU required.


2. Check component G3/5 (Left O2 sensor, after TWC [KAT]).
Warning!Communication with ECU required.