Symptom Chart: Headlamps
WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Service Information for information regarding Ford-specific diagnostic practices.
| Condition | Possible Sources | Actions |
|---|---|---|
| A module does not respond to the scan tool | Fuse Wiring, terminals or connectors Module |
REFER to Module Communications Network . |
| One or both low beams are inoperative | Fuse(s) Bulb Ballast Wiring, terminals or connectors Headlamp assembly BCM |
GO to Pinpoint Test N . |
| One or both high beams are inoperative | Fuse Wiring, terminals or connectors LH steering column multifunction switch Headlamp assembly SCCM BCM |
GO to Pinpoint Test O . |
| The low beams are on continuously | Wiring, terminals or connectors Headlamp switch SCCM BCM |
GO to Pinpoint Test P . |
| The high beams are on continuously | Wiring, terminals or connectors LH steering column multifunction switch SCCM BCM |
GO to Pinpoint Test Q . |
| The flash-to-pass feature is inoperative | LH steering column multifunction switch SCCM BCM |
GO to Pinpoint Test R . |
| The adaptive front lighting is inoperative/does not operate correctly | Fuse Wiring, terminals or connectors Headlamp assembly HCM |
GO to Pinpoint Test X . |