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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 B: DTC U0420:XX Invalid Data Received From The PSCM >> 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 condition of the battery state of charge, the PSCM wiring harness and electrical connectors. The test checks battery state of charge and checks the connectors and wiring from the PSCM 3-pin connector at the PSCM to the in-line connector in the engine compartment.

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