P0235
Turbocharger Boost Sensor A Circuit
System: Air/Fuel
Severity: medium
What does P0235 mean?
The DTC P0235 (Turbocharger Boost Sensor A Circuit) is a fault code stored by the ECU when it detects a boost sensor circuit condition in the air/fuel subsystem. It is commonly seen on European and Asian vehicles using Bosch, Continental, Siemens or Denso ECUs.
Common causes of P0235
- Failed MAP/boost sensor
- Wiring fault
- Connector corroded
- Reference voltage fault
How to fix P0235
Live data + scope on signal wire. Should track manifold pressure smoothly.
Tuning approach with DaVinci Deluxe · Cloud Edition
For P0235, DaVinci Deluxe · Cloud Edition offers the following ECU map adjustments and software solutions:
- MAP scaling calibration
- Boost target tune
- Sensor failsafe table
Need to fix P0235 on your ECU?
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