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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1223 (Electronic Power Assist Steering Component Testing) >> DTC Symptom Selection >> DTC Index >> DTC U0140: Lost Communication With Body Control Module >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2018 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.

DTC U0140:00 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 a BCM concern.

Do not install a new PSCM as part of the repair for a PSCM DTC U0140:00.

The presence of DTC U0140:00 prevents the active park assist system (if equipped) from activating. If set during an active park assist event, the event is terminated and the active park assist system is deactivated.

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