Exhaust Gas Recirculation Solenoid Malfunction

Fault ID
P0403

Title
Exhaust Gas Recirculation Solenoid Malfunction

Background
- The engine control module checks current flows in the EGR solenoid drive circuit when the solenoid is ON and OFF.

Range of Check, Set Conditions
- When the EGR solenoid is turned OFF, no surge voltage is detected.

Effect
No limp-in

Probable causes
- Fuel tank differential pressure sensor failed.
- Open or shorted fuel tank differential pressure sensor circuit, or loose connector.
- Engine control module failed.