P0403 EGR Solenoid Circuit
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P-0403 EGR SOLENOID CIRCUIT
WHEN MONITORED
With the ignition key on and engine running and battery voltage > 10.4 volts.
SET CONDITION
The EGR solenoid control circuit is not in the expected state When requested to operate by the PCM.
POSSIBLE CAUSES
- ASD relay output circuit open
- EGR solenoid defective
- EGR solenoid circuit wiring harness inter defect
- EGR solenoid circuit wiring harness observable defect
- EGR solenoid control circuit open
- EGR solenoid control circuit short to gnd
- PCM defective