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Home >> Ford >> 2018 >> Transit Connect XL, Van Cargo >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> DTC P044D - EGR Sensor C Circuit High

DTC P044D - EGR Sensor C Circuit High

P044D - EGR SENSOR C CIRCUIT HIGH

Description:  The exhaust gas recirculation (EGR) monitor checks the differential pressure feedback EGR sensor signal to the PCM for high voltage. This DTC sets when the average voltage to the PCM exceeds the maximum calibrated value.
Possible Causes: 
  • VREF circuit open
  • SIGRTN circuit open
  • DPFE circuit open
  • DPFE circuit short to voltage
  • DPFE circuit short to ground
Diagnostic Aids: 
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST HE .
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