Diagnostic Trouble Code (DTC) Chart
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.
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
Diagnostic Trouble Code Chart
| Module | DTC | Description | Action |
|---|---|---|---|
| BCM | B1323:11 | Horn Switch: Circuit Short To Ground | GO to Pinpoint Test B |
| BCM | B1C55:12 | Horn Relay: Circuit Short To Battery | GO to Pinpoint Test A |
| BCM | B1C55:14 | Horn Relay: Circuit Short To Ground Or Open | GO to Pinpoint Test A |
| BCM | B1C55:14 | Horn Relay: Circuit Short To Ground Or Open | GO to Pinpoint Test B |