Symptom Chart

WARNING: This page is about a different car, the 2014 Lincoln MKX and 2014 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM DESCRIPTION

Condition	Possible Sources	Action
The alarm system does not activate from an unauthorized entry at the hood	Wiring, terminals or connectors Hood switch Body Control Module (BCM)	GO to PINPOINT TEST A .
The alarm system does not activate from an unauthorized entry at a door or liftgate	Door ajar input Liftgate ajar input	REFER to INTERIOR LIGHTING to diagnose the ajar switch inputs.
The alarm system does not arm/no turn signal flash confirmation	Door ajar input Hood ajar input Liftgate ajar input Turn signals Keyless entry keypad concern Remote Keyless Entry (RKE) transmitter concern BCM	GO to PINPOINT TEST C .
No horn output during alarm activation	Horn	REFER to HORN to diagnose the horn.
No turn signal flash during alarm activation	Turn signals	REFER to EXTERIOR LIGHTING to diagnose the turn signals.
No courtesy lamp flash during alarm activation	Courtesy lamps	REFER to INTERIOR LIGHTING to diagnose the courtesy lamps.
False alarm activation	Door ajar input Hood switch input Liftgate ajar input Panic button pressed on an RKE transmitter A valid Passive Anti-Theft System (PATS) key read is NOT received when the ignition is transitioned to RUN	An intermittent fault exists. MONITOR the BCM alarm event PIDs ALARM_EVT_1 through 4 to identify and isolate the cause of the last alarm activations.
All keys/RKE transmitters lost, perimeter alarm activated, and unable to program new keys	Customer lost all keys/RKE transmitters	PROGRAM an RKE transmitter. REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS . UNLOCK the doors with the programmed RKE transmitter. PROGRAM the new keys. REFER to ANTI THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) .