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Pinpoint Test W : U3003:17: Notes

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.

Normal Operation and Fault Conditions 

HUD DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
U3003:17 Battery Voltage: Circuit Voltage Above Threshold Sets in the HUD module in continuous memory if the HUD module detects battery voltage above 16 volts on the voltage supply circuit for 5 seconds or longer.

Possible Sources 

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