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Home >> Lincoln >> 2021 >> Aviator Base, AWD >> Repair and Diagnosis (Single Page) >> Steering >> Power Steering >> Electronic Power Assist Steering (EPAS) Guided Routine >> DTC/Symptom Selection >> DTC Index >> PSCM - Power Steering Control Module >> DTC U0121: Lost Communication With The Anti-Lock Brake System (Abs) Control Module >> Diagnostic Aids

Diagnostic Aids

DTC U0121:00 indicates a possible failure of the HS-CAN which can be due to a circuit fault in the HS-CAN, the PSCM wiring harness or an ABS module concern.

Do not install a new PSCM as part of the repair for a PSCM DTC U0121:00.

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