P0056

2C9E - P0056

Information saved in
DME

Fault code
2C9E - P0056

Fault text
DME2: Oxygen-sensor heating after catalytic converter,
bank 2, activation

Fault description
Post-catalyst oxygen sensor heater activation

Condition for fault identification
Test condition:
Voltage at Pin 2-06 < 3.5V
Terminal condition: Engine running
Voltage condition:
battery voltage<11V oder Ubatt > 16 volts

Condition for fault memory entry
none

Action in service
Check plug / wiring harness / oxygen sensor (replace DME
as indicated)

Fault effect and breakdown warning
none

Driver information
Warning light:
MIL on in 2nd DC

Service instruction
none