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Home >> Lincoln >> 2015 >> Navigator Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 103 (Electronic Power Assist Steering Component Testing) >> DTC Symptom Index >> DTC Index >> PSCM - Power Steering Control Module >> DTC U0401: Invalid Data Received from ECM/PCM A >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2015 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

DTC U0401:68 indicates an brake pedal position, engine speed, transmission gear or vehicle speed 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 U0401:68. When this DTC is set, steering assist is reduced resulting in higher steering efforts during low speed maneuvers.

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