P0408 is set when the Postion value of Exhaust Pressure Control Valve is detected above
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Signal monitoring | 1. Exhaust Pressure Control Valve acuator circuit 2. Exhaust Pressure Control Valve actuator | ||
Enable Conditions |
•
IG ON | |||
Threshold value |
•
Exhaust Pressure Control Valve position sensor output voltage is high | |||
Diagnosis Time |
•
1 sec. | |||
Fail Safe | Fuel cut | NO |
•
- | |
EGR Off | YES | |||
Fuel Limit | NO | |||
Check Lamp | ON | |||
