Pinpoint Test I : B11D9:16: 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 Power Distribution for schematic and connector information.
Normal Operation and Fault Conditions
The SCCM continuously monitors input voltage for correct operation. If voltage outside of defined limits is detected by the SCCM, the applicable DTC sets. DTC B11D9:16 can set if the vehicle battery has been discharged. The vehicle battery may become discharged due to excessive load(s) on the charging system from aftermarket accessories or if the vehicle has been left unattended with the accessories on.
SCCM DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B11D9:16 | Vehicle Battery: Circuit Below Threshold | Sets in continuous memory if the SCCM detects battery voltage below 8 volts on the battery voltage supply circuit. |
Possible Causes
- Battery
- Wiring, terminals or connectors
- Fuse
- Charging system
- SCCM
Visual Inspection and Diagnostic Pre-checks
- Make sure the vehicle battery terminals and cables are free of any corrosion and other contaminates.
- Make sure the vehicle battery terminals are tightened to their correct torque specifications.