P0131

2C47 - P0131

Information saved in
DME

Fault code
2C47 - P0131

Fault text
Oxygen sensor before catalytic converter, sensor wires

Fault description
O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1)

Condition for fault identification
Test condition:
Detection of short to ground in the O2 sensor wires:
Pump current Ip;
Calibration wire IA;
Ground VM;
Nernst voltage UN
Terminal condition: Engine running
Voltage condition:
battery voltage<11V oder Ubatt > 16 volts

Condition for fault memory entry
Fault monitoring criterion must remain present over 2 sec.

Action in service
Check plug / wiring harness / O2 sensor wiring, otherwise
replace DME

Fault effect and breakdown warning


Driver information
Warning light:
MIL on (in 2nd driving cycle);

Service instruction
none