P0132

4225 - P0132

Information saved in
DDE

Fault code
4225 - P0132

Fault text
DDE: Oxygen sensor: Signal voltage too high or signal,
compensating current, open circuit

Fault description
The diagnostic trouble code is logged in the ECU when the
raw voltage signal for the O2 ratio exceeds the limit value
3200 mV during normal operation.

Condition for fault identification
Test condition:
The following conditions must be present for the error
check:
- The O2 calibration is not active.
- Oxygen sensor heater is active.
Voltage condition:
The following conditions must be present for the error
check:
- The O2 calibration is not active.
- Oxygen sensor heater is active.

Condition for fault memory entry
Debounce (1000 ms)

Action in service
1. Check wires and plug connections.
2. If wiring and plug connections are OK:
Replace oxygen sensor.

Fault effect and breakdown warning
-

Driver information
Warning light:
MIL

Service instruction
none