Symptom Chart(s)
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
Symptom Chart: Parking, Rear and License Plate Lamps
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
Symptom Chart
| Condition | Possible Sources | Actions |
|---|---|---|
| A module does not respond to the diagnostic scan tool | Fuse Wiring, terminals or connectors Module |
REFER to: Communications Network (418-00 Module Communications Network). |
| All front parking and, if equipped, front side fender marker and grille marker lamps are inoperative | Refer to the Pinpoint Test | GO to Pinpoint Test A |
| All front parking and, if equipped, front side fender marker and grille marker lamps are always on | Refer to the Pinpoint Test | GO to Pinpoint Test B |
| An individual front parking or side marker lamp is inoperative - Halogen headlamps | Refer to the Pinpoint Test | GO to Pinpoint Test C |
| An individual front parking lamp is inoperative - Low series LED headlamps | Refer to the Pinpoint Test | GO to Pinpoint Test D |
| An individual front parking lamp is inoperative - High series LED headlamps | Refer to the Pinpoint Test | GO to Pinpoint Test E |
| An individual or all grille marker lamps and front side fender marker lamps are inoperative | Refer to the Pinpoint Test | GO to Pinpoint Test F |
| An individual or both license plate lamps are inoperative or always on | Refer to the Pinpoint Test | GO to Pinpoint Test G |
| An individual or both exterior mirror parking lamps are inoperative or always on | Refer to the Pinpoint Test | GO to Pinpoint Test H |
| I the high-mounted stoplamp parking lamp is inoperative or always on - Performance vehicles only | Refer to the Pinpoint Test | GO to Pinpoint Test I |
| One or more rear parking lamps are inoperative or always on | Refer to the Pinpoint Test | GO to Pinpoint Test J |