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Home >> Ford >> 2013 >> Focus S, Automatic DCT Trans, Gas >> Repair and Diagnosis (Single Page) >> Steering >> Power Steering System - Except Electric Vehicle >> Interactive Diagnostics >> DTC / Symptom Selection >> DTC Index - Power Steering Control Module (PSCM) >> DTC U0121 : Lost Communication with the Anti-lock Brake System (ABS) Control Module >> Diagnostic Aids
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Diagnostic Aids

DTC U0121:00 indicates that the ABS module cannot communicate over the HS-CAN. This could be due to a DTC being set in the ABS or a circuit fault in the HS-CAN. Do not install a new EPAS assembly as part of the repair for PSCM DTC U0121:00. The message center displays STEERING ASSIST MALFUNCTION SERVICE REQUIRED.