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Home › Ford › 2011 › Fiesta SES, Automatic DCT › Repair and Diagnosis › Steering › Power Steering › Steering System › Interactive Diagnostics › DTC / Symptom Selection › DTC Index - Power Steering Control Module (PSCM) › DTC U0100: Lost Communication with ECM/PCM A › Possible Causes

Possible Causes

Fuse(s).

Wiring, terminals or connectors.

PCM.

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