Pinpoint Test AH: DTC U3003:16: Notes

WARNING: This page is about a different car, the 2010 Mercury Milan, 2010 Lincoln MKZ, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

Refer to INSTRUMENT CLUSTER for schematic and connector information.

Normal Operation

DTC U3003:16 (Battery Voltage: Circuit Voltage Below Threshold) - sets continuous and on-demand in the Headlamp Control Module (HCM) if the HCM detects battery voltage below 9 volts from the HCM voltage supply circuit.

This pinpoint test is intended to diagnose the following:

Wiring, terminals or connectors
HCM