2C72 - P0157 (DME)

2C72 - P0157

Information saved in
DME

Fault code
2C72 - P0157

Fault text
Oxygen sensor behind catalytic converter 2

Fault description
O2 Sensor Circuit Low Voltage (Bank 2 Sensor 2)

Condition for fault identification
Test condition:
Engine temperature
Battery voltage > 11V
End of dew point reached
Terminal condition: Terminal 15 on
Engine running
Voltage condition:
Battery voltage
11V < battery voltage < 16V

Condition for fault memory entry
Time
1 sec. after engine start

Action in service
Check plugs/wiring harness, otherwise replace sensor

Fault effect and breakdown warning


Driver information
Warning light:
MIL on

Service instruction
none