P0032

12B101 - P0032

Information saved in
DME

Fault code
12B101 - P0032

Fault text
Oxygen-sensor heater before catalytic converter, activation:
short circuit to positive

Fault description
The diagnostic function monitors the messages from the
internal driver circuit diagnosis.

Condition for fault identification
Test condition:
The fault is recognized by the self-diagnosis.
Potential problem source(s):
Defect in wiring harness to oxygen sensor behind catalytic
converter
- Oxygen sensor behind catalytic converter defective
- Defective DME
Terminal condition: none
Voltage condition:
- Electrical system voltage > 10 V
Temperature condition:
- None
Time condition:
- 0.2 sec.
Other conditions:
- Engine on
- No additional diagnostic fault codes logged

Condition for fault memory entry
This fault is logged in the control module's fault memory
immediately.

Action in service
Check wiring harness to oxygen sensor behind catalytic
converter
- Replace oxygen sensor behind catalytic converter
- Replace DME

Fault effect and breakdown warning
Breakdown notice:
- none
Possible apparent symptoms:
- none

Driver information
Warning light:
- ECE emissions warning lamp: on
- US emissions warning lamp: on
- ECE electronic engine power reduction: off
- US electronic engine power reduction: off
- CC message: none

Service instruction
- none