Symptom Chart: Daytime Running Lamps (DRL)
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
Symptom Chart
NOTE:
Before beginning diagnostics, refer to Description And Operation
for proper DRL operation.
| Condition | Possible Sources | Actions |
|---|---|---|
| A module does not respond to the diagnostic scan tool | Fuse Wiring, terminals or connectors Module |
REFER to: Communications Network . |
| The DRL are inoperative - LED headlamps | Refer to the Pinpoint Test | GO to Pinpoint Test A |
| The DRL are always on - LED headlamps | Refer to the Pinpoint Test | GO to Pinpoint Test B |
| The DRL are inoperative or always on - halogen headlamps | Refer to the Pinpoint Test | GO to Pinpoint Test C |