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Home >> Ford >> 2011 >> Fiesta S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 133 (Steering System) >> Interactive Diagnostics >> DTC/Symptom Selection >> DTC Index >> DTC U0121: Lost Communication with the Anti-lock Brake System (ABS) Control Module >> Possible Causes

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.

Fuse(s).

Wiring, terminals or connectors.

DTCs present in the ABS module.

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