Symptom Chart: Headlamps
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.
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to: Diagnostic Methods .
| Condition | Possible Sources | Actions |
|---|---|---|
| A module does not respond to the diagnostic scan tool | Fuse Wiring, terminals or connectors Module |
REFER to: Communications Network . |
| One or both upper low beams is inoperative - vehicles with halogen headlamps | Refer to the Pinpoint Test | GO to Pinpoint Test A |
| One or both lower low beams is inoperative - vehicles with halogen headlamps | Refer to the Pinpoint Test | GO to Pinpoint Test B |
| One or both low beams is inoperative - vehicles with LED headlamps | Refer to the Pinpoint Test | GO to Pinpoint Test C |
| Both Upper and both lower high beams are inoperative - vehicles with halogen headlamps | Refer to the Pinpoint Test | GO to Pinpoint Test D |
| One or both upper high beams is inoperative - vehicles with halogen headlamps | Refer to the Pinpoint Test | GO to Pinpoint Test E |
| One or both lower high beams is inoperative - vehicles with halogen headlamps | Refer to the Pinpoint Test | GO to Pinpoint Test F |
| One or both high beams is inoperative - vehicles with LED headlamps | Refer to the Pinpoint Test | GO to Pinpoint Test G |
| Both upper and both lower low beams are on continuously - vehicles with halogen headlamps | Refer to the Pinpoint Test | GO to Pinpoint Test H |
| One or both upper or lower low beams only are on continuously - vehicles with halogen headlamps | Refer to the Pinpoint Test | GO to Pinpoint Test I |
| One or both low beams are on continuously - vehicles with LED headlamps | Refer to the Pinpoint Test | GO to Pinpoint Test J |
| All high beams are on continuously - vehicles with halogen headlamps | Refer to the Pinpoint Test | GO to Pinpoint Test K |
| One or both upper high beams are on continuously - vehicles with halogen headlamps | Refer to the Pinpoint Test | GO to Pinpoint Test L |
| Both lower high beams are on continuously - vehicles with halogen headlamps | Refer to the Pinpoint Test | GO to Pinpoint Test M |
| One or both high beams are on continuously - vehicles with LED headlamps | Refer to the Pinpoint Test | GO to Pinpoint Test N |
| The flash-to-pass feature is inoperative | Refer to the Pinpoint Test | GO to Pinpoint Test O |
| The automatic high beam feature is inoperative | Refer to the Pinpoint Test | GO to Pinpoint Test P |