Code No. P0048:
Variable Geometry Solenoid Valve
DIAGNOSIS CONTENT
Short circuit to battery
TROUBLE JUDGMENT
Check Condition
Judgment Criterion
- The power stage has an short circuit to the battery for the specified time.
DIAGNOSIS CONTENT
Excessive temperature of the power stage
TROUBLE JUDGMENT
Check Condition
Judgment Criterion
- The power stage has excess temperature for the specified time.
FAIL SAFE FUNCTION
- Boost pressure control is prohibited.
- EGR control is prohibited.
- Torque control is operated.
PROBABLE CAUSE
- Failed variable geometry solenoid valve
- Failed electrical harness in variable geometry solenoid valve circuit
- Failed engine-ECU
(Refer to Symptom Procedure - Variable Geometry Solenoid Valve System 
.)