Symptom Chart: Side And Rear Vision

Diagnostics in this information assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to DIAGNOSTIC METHODS for information regarding Ford-specific diagnostic practices.

SYMPTOM CHART

Condition	Possible Sources	Actions
The BLIS® is inoperative/does not operate correctly	Wiring, terminals and connectors BLIS® is not configured on with the scan tool BCM IPC SOD-L SOD-R Vehicle speed signal	REFER to Diagnostic Routine A: The Blind Spot Information System (BLIS®) Is Inoperative Or Does Not Operate Correctly .
The BLIS® has poor performance	Wiring, terminals and connectors SOD-L SOD-R Buildup or debris on the rear bumper cover sides	REFER to Diagnostic Routine A: The Blind Spot Information System (BLIS®) Is Inoperative Or Does Not Operate Correctly .
The BLIS® has no message center warning message and the exterior mirror BLIS® / 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	REFER to Diagnostic Routine A: The Blind Spot Information System (BLIS®) Is Inoperative Or Does Not Operate Correctly .
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 PAM SOD-L SOD-R Vehicle speed signal	REFER to Diagnostic Routine B: The Cross-Traffic Alert (CTA) System Is Inoperative Or Does Not Operate Correctly .
The CTA system has poor performance	Wiring, terminals and connectors SOD-L SOD-R Build up or debris on the rear bumper cover sides	REFER to Diagnostic Routine B: The Cross-Traffic Alert (CTA) System Is Inoperative Or Does Not Operate Correctly .
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	REFER to Diagnostic Routine B: The Cross-Traffic Alert (CTA) System Is Inoperative Or Does Not Operate Correctly .
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	REFER to Diagnostic Routine B: The Cross-Traffic Alert (CTA) System Is Inoperative Or Does Not Operate Correctly .
An exterior mirror BLIS® / CTA LED is constantly on	Wiring, terminals and connectors SOD-L SOD-R Exterior mirror BLIS® / CTA LED	REFER to Diagnostic Routine I: An Exterior Mirror LED Is Constantly On With No IPC Message Present .
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	REFER to Diagnostic Routine C: An Exterior Mirror LED Is Constantly On and An IPC Message Is Present .
The SOD-L does not respond to the scan tool	Wiring, terminals and connectors SOD-L	REFER to DIAGNOSTIC ROUTINE V : The Side Obstacle Detection Control Module - Left (SOD-L) 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	REFER to Diagnostic Routine E: The SOD-R Does Not Respond To The Scan Tool Or Cannot Be Configured .
The message center displays a blocked sensor message	Dirt, ice, or snow covered rear SOD-L SOD-R	REFER to Diagnostic Routine F: The Message Center Displays A Blocked Sensor Message .
The BLIS® or the CTA system cannot be turned off in the message center	IPC A MyKey® restricted key is in use	REFER to Diagnostic Routine G: The BLIS® and CTA System Cannot Be Turned Off In The IPC Message Center .