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Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 2075 (Steering System - Electronic Power Assist Steering (EPAS)) >> Interactive Diagnostics >> DTC / Symptom Selection >> DTC Index - Power Steering Control Module (PSCM) >> DTC U0401: Invalid Data Received from ECM/PCM A >> Action

DTC U0401: Invalid Data Received from ECM/PCM A: Action

WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

Action 

RETRIEVE and RECORD all PCM DTCs. REFER to the ENGINE CONTROLS - POWERTRAIN DTC CHARTS AND DESCRIPTIONS (HYBRID) or ENGINE CONTROLS - POWERTRAIN DTC CHARTS AND DESCRIPTIONS - (EXCEPT HYBRID) to diagnose the engine speed or vehicle speed concern.

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