P0403 EGR Solenoid Circuit

SYMPTOM
P-0403 EGR SOLENOID CIRCUIT

WHEN MONITORED
With the ignition key on and engine running and battery voltage> 10 volts.

SET CONDITION
The EGR solenoid control circuit is not in the expected state when requested to operate by the PCM.

POSSIBLE CAUSES
- EGR solenoid defective
- Fused ignition switch output circuit open
- EGR solenoid circuit wiring harness inter defect
- EGR solenoid circuit wiring harness observable def
- EGR solenoid control circuit open
- EGR solenoid control circuit short to ground
- PCM defective (EGR sol ckt)