Diagnostic Overview
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to DIAGNOSTIC METHODS for information about these practices.
Refer to OEM GROUND DISTRIBUTION for additional information.
Refer to OEM WIRING DIAGRAMS for additional information.
DTC FAULT TRIGGER CONDITIONS
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U3003:16 | Battery Voltage: Circuit Voltage Below Threshold | Sets in the BCM when the BCM detects that battery voltage has dropped below 9 volts from the voltage supply circuit. |