P0032
2C9C - P0032Information saved in
DME
Fault code
2C9C - P0032
Fault text
Oxygen sensor heating before catalytic converter, activation
Fault description
HO2S Heater Control Circuit High (Bank 1 Sensor 1)
Condition for fault identification
Test condition:
Driver circuit diagnosis for O2 sensor heater
UBatt > 10V
Sensors installed
No fault memories
Terminal condition: Terminal 15, engine on
Condition for fault memory entry
Active immediately after terminal 15 change; electr. faults
entered within a few seconds
Action in service
1. Visual inspection of wiring, DME plug and oxygen sensor
for damage
2. Check wiring
3. Inspect plug-in connections DME <=> Wiring harness
<=> Check oxygen sensor for Bank 1 before catalytic
converter
4. Replace oxygen sensor
5. Replace DME
Fault effect and breakdown warning
Driver information
Warning light:
MIL ON
Service instruction
none