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HOMESERVICE MANUALSFORD2021EDGE SE, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 505 (ELECTRONIC POWER ASSIST STEERING (EPAS) GUIDED ROUTINE)DTC/SYMPTOM SELECTIONDTC INDEXPSCM - POWER STEERING CONTROL MODULEDTC U0100: LOST COMMUNICATION WITH ECM/PCM ADESCRIPTION
2021 Ford Edge SE, 4WD

DTC U0100: Lost Communication With ECM/Pcm A: Description

2021 Ford Edge SE, 4WDSECTION Description
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The PSCM monitors the HS-CAN messages when the ignition has been on for more than 5 seconds, the voltage to the PSCM is greater than 10 volts and there are no DTCs present inhibiting PSCM operation.

  • DTC U0100:00 (Lost Communication with ECM/PCM A: No Sub Type Information) - This DTC sets if communications between the PSCM and the PCM fail. The PCM sends the vehicle speed and engine speed messages to the PSCM. If the messages are missing for more than 5 seconds and the PSCM has not set DTC U0001:88, the PSCM sets DTC U0100:00.
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