Pinpoint Test F : One Or Both High Beams Are On Continuously: 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 Headlamps/Autolamps for schematic and connector information.
Normal Operation and Fault Conditions
REFER to: Exterior Lighting - System Operation and Component Description .
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B1D02:15 | Left High Beam Circuit: Circuit Short To Battery Or Open | A continuous memory and on-demand DTC that sets when the BCM detects a short to voltage from the LH high beam output circuit. |
| B1D03:15 | Right High Beam Circuit: Circuit Short To Battery Or Open | A continuous memory and on-demand DTC that sets when the BCM detects a short to voltage from the RH high beam output circuit. |
Possible Sources
- Wiring, terminals or connectors
- LH steering column multifunction switch
- SCCM
- BCM
Visual Inspection and Diagnostic Pre-checks
- Inspect the LH steering column multifunction switch for damage.