P0476 is set when excessive temperature is detected at least 1 second when on the H-bridge of ECU.
-the target position more than 10% occurred because of the valve jam (closed or open)
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Signal monitoring | 1. Exhaust Pressure Control Valve circuit | ||
Enable Conditions |
•
Operating | |||
Threshold value |
•
when Exhaust Pressure Control Valve operate out of the target position more than 10% or Above the standard temperature of the motor. | |||
Diagnosis Time |
•
1 sec. | |||
Fail Safe | Fuel cut | NO |
•
- | |
EGR Off | NO | |||
Fuel Limit | NO | |||
Check Lamp | OFF |