Symptom Chart: Parking Aid - Audible

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to SERVICE INFORMATION , Diagnostic Methods for information regarding Ford-specific diagnostic practices.

Condition	Possible Sources	Actions
A module does not communicate with the scan tool	Fuse Wiring, terminals or connectors PAM	REFER to COMMUNICATIONS NETWORK .
The audible parking aid is inoperative	Wiring, terminals or connectors Parking aid sensor alignment Parking aid speaker PAM Rear bumper cover	GO to Pinpoint Test A .
Continuous or intermittent tone when no obstacles or fault codes are present (certain obstacles may not be detected or recognized due to their shape, size or material)	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 parking aid sensor bezel(s) correctly
	Parking aid sensors are not aligned correctly	CARRY OUT the azimuth system check. Refer to Azimuth System Check .
	Parking aid sensor isolator ring rolled between sensor and bezel	REMOVE and INSTALL the parking aid sensor(s) into the parking aid sensor bezel(s) correctly.
	Parking aid sensor isolator ring deformed	INSTALL a new parking aid sensor or parking aid sensor isolator ring as necessary. Refer to Parking Aid Sensor .
The audio volume does not reduce when the parking aid tone sounds	Communication network concern IPC ACM	RETRIEVE and REPAIR all related IPC and ACM DTCs
The parking aid menu is not available in the message center and cannot be deactivated	A MyKey® restricted key is in use	The parking aid disable feature is not available when a MyKey® restricted key is in use. This is normal operation.