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Home >> Ford >> 2018 >> Focus ST >> Repair and Diagnosis >> External Pages >> Different car >> Section 310 (EPAS Guided Routine Testing) >> DTC/Symptom Selection >> DTC Index >> DTC U0553: Invalid Data Received from Lighting Control Module-Rear "B" >> Diagnostic Aids
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Diagnostic Aids

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

DTC U0553:00 indicates a trailer back up assist message concern. The module reporting this DTC is not the problem module. Do not install a new PSCM as part of the repair for PSCM DTC U0553:00.

The presence of this DTC prevents the trailer back up assist system (if equipped) from activating. If set during a trailer back up assist event, the event is terminated and the trailer back up assist system is deactivated.

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