Exhaust Gas Recirculation Solenoid Malfunction

FAULT ID
P0403

TITLE
Exhaust Gas Recirculation Solenoid Malfunction

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

RANGE OF CHECK & SET CONDITIONS
No surge voltage is detected when the EGR solenoid is turned OFF.

PROBABLE CAUSES
- EGR solenoid failed.
- Open or shorted EGR solenoid circuit, or loose connector.
- Engine control module failed.