Symptom Chart: Parking Aid
WARNING: This page is about a different car, the 2018 Lincoln Navigator. 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 Causes | Actions |
|---|---|---|
| A module does not communicate with the diagnostic scan tool | Fuse Wiring, terminals or connectors PAM |
REFER to: Communications Network . |
| The audible parking aid is inoperative | Refer to the Pinpoint Test | GO to Pinpoint Test A |
| Continuous or intermittent tone when no obstacles or fault codes are present | Dirty or iced over parking aid sensor(s) | CLEAN the rear bumper and sensors with high-pressure water. |
| Ice between parking aid sensor(s) and bezel(s) | ALLOW time for the ice between the parking aid sensor(s) and bezel(s) to melt. | |
| Parking aid sensor(s) locked into the rear bumper incorrectly | INSTALL the parking aid sensor(s) into the bezel(s) correctly. | |
| Parking aid sensor(s) are not aligned correctly | CARRY OUT the elevation system check. REFER to: Elevation System Check . | |
| Parking aid sensor(s) isolator ring missing, damaged or misaligned | INSTALL a new parking aid sensor. REFER to: Front Parking Aid Sensor . REFER to: Rear Parking Aid Sensor . | |
| The parking aid audio tones are inoperative | Refer to the Pinpoint Test | GO to Pinpoint Test A |
| The parking aid switch is inoperative | Wiring, terminals or connectors Active park assist switch PAM |
GO to Pinpoint Test B |
| The Parking Aid Disable Switch LED Is Inoperative Or Always On | Wiring, terminals or connectors Active park assist switch PAM |
GO to Pinpoint Test B |