DTC Chart

Diagnostics in this service information 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