P0406 is set when EGR position feedback signal(real value) is above than target value for 2.5 sec.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Signal monitoring |
•
EGR actuator stuck
•
EGR actuator component
•
EGR actuator control circuit | ||
Enable Conditions |
•
Engine running | |||
Threshold Value |
•
When EGR position feedback signal(real value) is above than target value. | |||
Diagnostic Time |
•
2.5 sec. | |||
Fail Safe | Fuel cut | NO | ||
EGR Off | YES | |||
Fuel Limit | NO | |||
MIL | ON | |||
