P0235
Turbocharger Boost Sensor A Circuit
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?
DaVinci Deluxe Cloud Edition is professional ECU tuning software trusted by 800+ workshops. From €49.99 (24-Hour Pass), €100.99/month or €1009/year — or test it first with the Real Software Test: €9.99 for 7 days, then €100.99/month unless you cancel in one click.
See pricing Try free