P0406 is set when the output of the EEGR actuator position sensor is higher than threshold value.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Signal monitoring | 1. EEGR actuator position sensor circuit short to battery or open 2. Faulty EEGR actuator | |
Enable Conditions |
•
Engine running | ||
Threshold Value |
•
The output of the EEGR actuator position sensor is higher than threshold value. | ||
Fail Safe | Fuel Cut |
•
YES | |
EGR Off |
•
NO | ||
Fuel Limit |
•
YES | ||
Check Lamp |
•
YES | ||
