2C6D - P0139 (DME)

2C6D - P0139

Information saved in
DME

Fault code
2C6D - P0139

Fault text
Oxygen sensor behind catalytic converter, ageing

Fault description
O2 Sensor Circuit Slow Response (Bank 1 Sensor 2)

Condition for fault identification
Test condition:
Exhaust-gas temperature (model)
Fuel system
Dew point end reached
Terminal condition: Terminal 15 on
Engine running
Voltage condition:
Battery voltage
11V < battery voltage < 16V

Condition for fault memory entry
Time
8 sec./continuous

Action in service
Replace LSH

Fault effect and breakdown warning


Driver information
Warning light:
MIL on

Service instruction
none