Pinpoint Test Purpose
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.
To verify PSCM DTC U3001 is present and investigate if the PSCM wiring is the reason for the momentary loss of voltage. This test verifies the PSCM fuses, PSCM wiring harness power and ground connections are working correctly, as well as the battery and charging system.