Symptom Chart

WARNING: This page is about a different car, the 2007 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.

Symptom Chart

Condition	Possible Sources	Action
No communication with the smart junction box (SJB)	Fuse(s) Circuitry SJB	REFER to MODULE COMMUNICATIONS NETWORK .
All door locks are inoperative from one switch	Circuitry Door lock control switch(es) SJB	Go to Pinpoint Test A .
All door locks are inoperative	Circuitry SJB	Go to Pinpoint Test B .
A single door lock is inoperative	Circuitry Door lock actuator SJB	Go to Pinpoint Test C .
The doors do not lock/unlock using remote keyless entry (RKE) transmitter	RKE transmitter RKE transmitter battery RKE transmitter programming Aftermarket system High power devices TV/radio transmission towers SJB	Go to Pinpoint Test D .
The remote keyless entry (RKE) transmitter is out of synchronization	RKE transmitter button pressed a substantial amount of times while outside the range of the vehicle RKE transmitter SJB	Go to Pinpoint Test E .
The panic feature is inoperative/does not operate correctly	RKE transmitter SJB	Go to Pinpoint Test F .
The remote keyless entry (RKE) transmitter has poor range performance	Aftermarket system High power devices TV/radio transmission towers RKE transmitter SJB	Go to Pinpoint Test G .
The door locks operate only one way due to the power door unlock inhibit feature	Power door unlock inhibit feature is enabled	DISABLE the power door unlock inhibit feature.