Manufacturer Code Charts: 2057

[4] Check component G3/2 (O2 sensor upstream of KAT).: Short circuit O2 sensor heater / Pump current

Test 1: Check component G3/2 (O2 sensor upstream of KAT).

1. Check component G3/2 (O2 sensor upstream of KAT).
Important note

- After replacement of component G3/2 (O2 sensor upstream of KAT), the lambda values must be reset via menu 'Control unit adaptations'.
Communication with ECU required