Symptom Chart: Horn
WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. 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 Service Information for information regarding Ford-specific diagnostic practices.
Symptom Chart: Horn
| Condition | Possible Sources | Actions |
|---|---|---|
| The horn is inoperative | Fuse Wiring, terminals or connectors Horn Clockspring Steering wheel harness Horn switch (part of the driver airbag) BCM SCCM |
GO to Pinpoint Test A . |
| The horn is always on | Wiring, terminals or connectors Clockspring Steering wheel harness Horn switch (part of the steering wheel) BCM SCCM |
GO to Pinpoint Test B . |