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Home >> Ford >> 2022 >> Transit Connect Titanium, Gas/Ethanol >> Repair and Diagnosis >> External Pages >> Different car >> Section 755 (Engine Controls - Powertrain (Diesel) - DTC P218F - P2C3B, DTC U0002 - U1013) >> DTC U0691 - Lost Communication With Exhaust Pressure Sensor A

DTC U0691 - Lost Communication With Exhaust Pressure Sensor A

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DTC DESCRIPTION U0691 - LOST COMMUNICATION WITH EXHAUST PRESSURE SENSOR A

Description:  This DTC sets when the PCM no longer receives a signal from the exhaust pressure (EP) Sensor.
Possible Causes: 
  • EP circuit open
  • EP circuit short to ground
  • EP circuit short to voltage
  • Damaged EP sensor
Diagnostic Aids:   
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST X .