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Home >> Lincoln >> 2019 >> MKZ Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 2242 (EPAS Guided Routine) >> Pinpoint Tests >> Pinpoint Tests AR: PSCM DTC U0155 Lost Communication With The IPC >> Pinpoint Test Purpose

Pinpoint Test Purpose

WARNING: This page is about a different car, the 2019 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

To verify the PSCM wiring harness and connectors are OK. This test checks the connectors and wiring from the PSCM 3-pin connector at the steering gear to the in-line connector in the engine compartment. If these circuits are working correctly, the test then directs to check the IPC and wiring harness.

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