Symptom Chart: Parking, Rear and License Plate Lamps
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 . |
| All the parking lamps are always on | Refer to the Pinpoint Test | GO to Pinpoint Test A |
| All front parking and, if equipped, roof marker bed side marker and rear bed marker lamps are inoperative | Refer to the Pinpoint Test | GO to Pinpoint Test B |
| All front parking and, if equipped, roof marker bed side marker and rear bed marker lamps are always on | Refer to the Pinpoint Test | GO to Pinpoint Test C |
| An individual front parking lamp is inoperative - halogen headlamps | Refer to the Pinpoint Test | GO to Pinpoint Test D |
| An individual front parking lamp is inoperative - LED headlamps | Refer to the Pinpoint Test | GO to Pinpoint Test E |
| An individual front side marker lamp is inoperative or always on - halogen headlamps | Refer to the Pinpoint Test | GO to Pinpoint Test F |
| An individual front side marker lamp is inoperative - LED headlamps | Refer to the Pinpoint Test | Install a new headlamp assembly. Refer to: Headlamp Assembly . |
| One or more roof marker lamps only are inoperative | Refer to the Pinpoint Test | GO to Pinpoint Test G |
| One or more bed side marker and bed rear marker lamps only are inoperative | Refer to the Pinpoint Test | GO to Pinpoint Test H |
| One or both rear parking lamps and both exterior mirror parking lamps (if equipped) are inoperative - vehicles not equipped with a bed | Refer to the Pinpoint Test | GO to Pinpoint Test I |
| An individual or all rear parking and/or license plate lamps are inoperative - vehicles equipped with bed and incandescent rear lamps | Refer to the Pinpoint Test | GO to Pinpoint Test J |
| An individual or all rear parking and/or license plate lamps are inoperative - vehicles equipped with bed and LED rear lamps | Refer to the Pinpoint Test | GO to Pinpoint Test K |
| All rear parking, license plate and exterior mirror parking (if equipped) lamps are always on | Refer to the Pinpoint Test | GO to Pinpoint Test L |
| All rear parking, license plate and, if equipped, bed side marker and rear bed marker lamps are inoperative | Refer to the Pinpoint Test | REPAIR the rear parking, license plate and, if equipped, bed side marker and rear bed marker lamps ground circuit for an open. |
| An individual exterior mirror parking lamp is inoperative | Refer to the Pinpoint Test | GO to Pinpoint Test M |