Symptom Chart

WARNING: This page is about a different car, the 2013 Lincoln MKX and 2013 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Refer to Description and Operation, Intelligent Access (IA) with Push Button Start in ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) 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 CHART

Condition	Possible Sources	Action
The Blind Spot Information System (BLIS®) is inoperative/does not operate correctly	Wiring, terminals and connectors BLIS® is not configured on with the scan tool Body Control Module (BCM) Instrument Panel Cluster (IPC) Side Obstacle Detection Control Module - Left (SOD-L) Side Obstacle Detection Control Module - Right (SOD-R) Vehicle speed signal	GO to PINPOINT TEST A .
The BLIS® has poor performance	Wiring, terminals and connectors SOD-L SOD-R Buildup or debris on the rear bumper cover sides	GO to PINPOINT TEST A .
The BLIS® has no message center warning message and the exterior mirror BLIS®/ Cross Traffic Alert (CTA) LED is not illuminated	Wiring, terminals and connectors BLIS® is not configured on with the scan tool IPC SOD-L SOD-R Vehicle speed signal	GO to PINPOINT TEST A .
The CTA system is inoperative/does not operate correctly	Wiring, terminals and connectors CTA system is not configured on with the scan tool BCM IPC Parking Aid Module (PAM) SOD-L SOD-R Vehicle speed signal	GO to PINPOINT TEST B .
The CTA system has poor performance	Wiring, terminals and connectors SOD-L SOD-R Build up or debris on the rear bumper cover sides	GO to PINPOINT TEST B .
The CTA system has no message center warning message and the exterior mirror BLIS®/CTA LED is not illuminated	Wiring, terminals and connectors CTA system is not configured on with the scan tool IPC PAM SOD-L SOD-R Vehicle speed signal	GO to PINPOINT TEST B .
An exterior mirror BLIS®/CTA LED does not illuminate when the tone sounds for the CTA system	Wiring, terminals and connectors PAM SOD-L SOD-R Vehicle speed signal	GO to PINPOINT TEST B .
An exterior mirror BLIS®/CTA LED is constantly on	Wiring, terminals and connectors SOD-L SOD-R Exterior mirror BLIS®/CTA LED	GO to PINPOINT TEST I .
An exterior mirror BLIS®/CTA LED is constantly on and an IPC message is present	Wiring, terminals and connectors BCM PAM SOD-L SOD-R	GO to PINPOINT TEST C .
The SOD-L does not respond to the scan tool	Wiring, terminals and connectors SOD-L	REFER to MODULE COMMUNICATIONS NETWORK , The SOD-L Does Not Respond To The Scan Tool or The SOD-R Does Not Respond To The Scan Tool.
The SOD-R does not respond to the scan tool or cannot be configured	Wiring, terminals and connectors SOD-R	GO to PINPOINT TEST E .
The message center displays a blocked sensor message	Dirt, ice or snow covered rear bumper SOD-L SOD-R	GO to PINPOINT TEST F .
The BLIS® or the CTA system cannot be turned off in the message center	IPC A MyKey™ restricted key is in use	GO to PINPOINT TEST G .