P0132
O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)
System: Emissions
Severity: medium
What does P0132 mean?
The DTC P0132 (O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)) is a fault code stored by the ECU when it detects a O2 B1S1 high condition in the emissions subsystem. It is commonly seen on European and Asian vehicles using Bosch, Continental, Siemens or Denso ECUs.
Common causes of P0132
- Rich condition (leaky injector)
- Failed O2 sensor
- Short to power
- Engine running too rich
How to fix P0132
Check injectors with balance test. Verify fuel pressure not over spec.
Tuning approach with DaVinci Deluxe
For P0132, DaVinci Deluxe offers the following ECU map adjustments and software solutions:
- Injector flow re-scale
- Lambda target tune
- Rich limit cap
Need to fix P0132 on your ECU?
DaVinci Deluxe is professional ECU tuning software trusted by 800+ workshops. Lifetime license €299, 10 minutes free trial.
See pricing Try free