Code No. P0237:
Boost Pressure Sensor Low
DIAGNOSIS CONTENT
Voltage below lower limit
TROUBLE JUDGMENT
Check Condition
Judgment Criterion
- The boost pressure sensor output voltage is below 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 
.)