2C9C - P0052 (DME)

2C9C - P0052

Information saved in
DME

Fault code
2C9C - P0052

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

Fault description
Pre-catalyst oxygen sensor heater, activation

Condition for fault identification
Test condition:
Voltage at
Pin 2-01 = UBatt with heater activation at max.
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 / sensor, replace DME as
indicated

Fault effect and breakdown warning
none

Driver information
Warning light:
MIL on in 2nd DC

Service instruction
none