Symptom Chart

WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM CHART

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	Door ajar input	Refer to INTERIOR LIGHTING to diagnose the door ajar switch inputs.
The alarm system does not arm/no turn signal flash confirmation	Door ajar input Hood 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 ajar input Panic button pressed on an IKT A valid Passive Anti-Theft System (PATS) key read is NOT received when the ignition is turned 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) .