Pinpoint Test E : DTC U3003:16: Notes
WARNING: This page is about a different car, the 2016 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Overview
Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Service Information for information about these practices.
Refer to VEHICLE EMERGENCY MESSAGING SYSTEM for schematic and connector information.
Normal Operation and Fault Conditions
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U3003:16 | Battery Voltage: Circuit Voltage Below Threshold | Set by the HUD module in continuous memory if the HUD module detects low battery voltage below 7 volts for more than 500 ms. |
Possible Sources
- Wiring, terminals or connectors
- Battery
- Generator
- PCM
- HUD module