Pinpoint Test H : U3003:16: Notes
WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Retractable Running Boards for schematic and connector information.
Normal operation and Fault Conditions
The RBM receives battery voltage from BJB fuse F50 (30A) at all times and ground at G303.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U3003:16 | Battery Voltage: Circuit Voltage Below Threshold | This DTC sets in continuous memory and on-demand if the supply voltage falls below 8.7 volts after a PRB movement is requested. |
Possible Sources
- Wiring, terminals or connectors
- Battery condition
- Charging system concern
- RBM
Visual Inspection and Diagnostic Pre-checks
- Make sure the vehicle battery terminals and cables are free of any corrosion and other contaminants.
- Make sure the vehicle battery terminals are tightened to their correct torque specifications.