Home >> Ford >> 2011 >> Flex Titanium, 3.5 C, AWD >> Repair and Diagnosis (Single Page) >> Steering >> Electronic Steering >> Steering System - Electronic Power Assist Steering (EPAS) >> Interactive Diagnostics >> DTC / Symptom Selection >> DTC Index - Power Steering Control Module (PSCM) >> DTC U0100: Lost Communication with ECM/PCM A >> Possible Causes