Engine Error
P0238
Turbocharger/Supercharger Boost Sensor A Circuit High
Severity
High
Symptoms
Harsh engine cut-off under heavy acceleration, overboost condition
Common Causes
- Stuck closed wastegate
- Short to voltage in boost sensor wiring
- Faulty boost control solenoid
- Defective boost sensor
How to Fix
- 1 Free up or replace wastegate actuator
- 2 Repair wiring short
- 3 Replace boost control solenoid
- 4 Replace boost sensor
Estimated Repair Cost
USD
$100
–
$600
Boost solenoid: $100 - $250; Wastegate actuator: $200 - $500