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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2606 (Engine Controls - Powertrain DTC Charts And Descriptions (Hybrid)) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> DTC P0403: Exhaust Gas RECIRCULATION (EGR) Control Circuit

DTC P0403: Exhaust Gas RECIRCULATION (EGR) Control Circuit

WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, 2011 Ford Fusion, 2010 Mercury Milan, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
P0403 - EXHAUST GAS RECIRCULATION (EGR) CONTROL CIRCUIT

Description:  The electric EGR (EEGR) system is continuously monitored to check the four EEGR motor coils, circuits, and the powertrain control module (PCM) for opens, shorts to voltage and ground. If a concern is detected, the EEGR system is disabled and additional monitoring is suspended for the remainder of the drive until the next drive cycle.
Possible Causes: 
  • EEGR motor windings open
  • EEGR connector not seated correctly
  • Open circuit in the harness from the PCM to the EEGR
  • Short circuit in the EEGR motor
  • Short circuit in the harness from the PCM to the EEGR
  • PCM
Diagnostic Aids:   
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST KD .
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