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Pinpoint Test R : DTC (Diagnostic Trouble Code) U3003:17: Notes

WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

Refer to Module Communications Network for schematic and connector information.

Normal Operation and Fault Conditions 

DTC Fault Trigger Conditions

DTC Description Fault Trigger Conditions
U3003:17 Battery Voltage: Circuit Voltage Above Threshold Sets as a continuous memory and on-demand DTC if the IPMA detects high battery voltage above 16.5 volts for 500 ms.

Possible Causes