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Home >> Ford >> 2011 >> Fiesta SES, Automatic DCT >> Repair and Diagnosis >> External Pages >> Different car >> Section 133 (Steering System) >> Interactive Diagnostics >> DTC/Symptom Selection >> DTC Index >> DTC U0401: Invalid Data Received from ECM/PCM A >> Possible Causes
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Possible Causes

WARNING: This page is about a different car, the 2013 Ford Fiesta. However, it is still accessible from the selected car via links, so may be relevant.

DTC are present in the PCM.

DTCs present in the ABS module.

PCM HS-CAN bus concern.

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