Symptom Chart: Passive Anti-Theft System (PATS)

WARNING: This page is about a different car, the 2016 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Service Information for information about these practices.

Condition	Possible Sources	Action
The vehicle does not start	Refer to the Pinpoint Test	GO to Pinpoint Test A .
STARTING SYSTEM FAULT is displayed in the message center	PATS concern	RETRIEVE and DIAGNOSE all PATS DTCs in the BCM. REFER to the BCM DTC Chart .
All keys are lost, the perimeter alarm is active and unable to program new keys	Unable to enter security access	Program a RKE transmitter (key fob). REFER to Handles, Locks, Latches and Entry Systems . DISARM the alarm using the programmed RKE transmitter. ERASE all keys and PROGRAM new keys. REFER to Erase All Keys and Program Two Keys .