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

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
10.52SS
Page 8002010 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985)
­
Copyright ? 2013, ALLDATA
10.52SS
Page 801
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.