Code No. P0238:
Boost Pressure Sensor High
DIAGNOSIS CONTENT
Voltage above upper limit
TROUBLE JUDGMENT
Check Condition
Judgment Criterion
- The boost pressure sensor output voltage is above the threshold.
FAIL SAFE FUNCTION
- Boost pressure control is prohibited.
- EGR control is prohibited.
- Torque control is operated.
PROBABLE CAUSE
- Failed boost pressure control system
(Refer to Symptom Procedure - Boost Pressure Sensor System 
.)