G3/3 (Left O2 sensor, before TWC [KAT]) : Voltage is too low. (P0150)

G3/3 (Left O2 sensor, before TWC [KAT]) : Voltage is too low. (P0150)
G3/3 (Left O2 sensor, before TWC [KAT]) : Voltage is too low. (P0150)
Possible cause:
­ G3/3 (Left O2 sensor, before TWC [KAT])
Affected functions:
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Engine diagnosis
Exhaust system
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Test 1: Check component G3/3 (Left O2 sensor, before TWC [KAT]).
1. Check component G3/3 (Left O2 sensor, before TWC [KAT]).
Warning!Communication with ECU required.