Symptom Table

NOTE: Refer to Description and Operation IA with Push Button Start in ANTI-THEFT SYSTEM - PASSIVE ANTI-THEFT SYSTEM (PATS) article to review the procedures for achieving the various ignition states (ignition in accessory, ignition on, ignition start, ignition off) on vehicles with this feature.

SYMPTOM TABLE

Condition	Possible Sources	Action
No communication with the Parking Aid Module (PAM)	Fuse Wiring, terminals or connectors PAM	REFER to MODULE COMMUNICATIONS NETWORK article.
The parking aid is inoperative/does not operate correctly	Wiring, terminals or connectors Parking aid sensor alignment Bumper cover PAM	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.
	Parking aid sensor bezel(s) or parking aid sensor(s) locked into the rear bumper incorrectly	REMOVE and correctly INSTALL the parking aid sensor(s) and or bezel(s) as necessary.
	Parking aid sensors are not aligned correctly	CARRY OUT AZIMUTH SYSTEM CHECK and ELEVATION SYSTEM CHECK .
The audio output does not reduce when the parking aid tone sounds	Wiring, terminals or connectors PAM Audio Control Module (ACM)	GO to PINPOINT TEST H .
The reverse parking aid menu is not available in the Instrument Panel Cluster (IPC) message center and cannot be deactivated	A MyKey™ is in use	VERIFY that a MyKey™ is in use. REFER to ANTI-THEFT SYSTEM - PASSIVE ANTI-THEFT SYSTEM (PATS) article.