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
No communication with the Body Control Module (BCM)	Wiring, terminals or connectors BCM	REFER to MODULE COMMUNICATIONS NETWORK .
No communication with the Remote Function Actuator (RFA) module	Wiring, terminals or connectors RFA module	REFER to MODULE COMMUNICATIONS NETWORK .
No power in all ignition switch positions - vehicles with an ignition switch	Fuse Wiring, terminals or connectors Ignition switch	GO to PINPOINT TEST A .
No power in ACC - vehicles with an ignition switch	Fuse Wiring, terminals or connectors Accessory delay relay BCM	GO to PINPOINT TEST B .
No power in ACC - vehicles with a push button start system	Fuse Wiring, terminals or connectors Accessory delay relay BCM	GO to PINPOINT TEST F .
No power in RUN - vehicles with an ignition switch	Fuse Wiring, terminals or connectors Run/start relay Ignition switch BCM	GO to PINPOINT TEST C .
No power in RUN - vehicles with a push button start system	Battery Fuse(s) Wiring, terminals or connectors Run/start relay Start/stop switch Remote Keyless Entry (RKE) system Passive Anti-Theft System (PATS) BCM RFA module	GO to PINPOINT TEST E .
No power in START - vehicles with an ignition switch	Wiring, terminals or connectors Ignition switch	GO to PINPOINT TEST D .
No power in START - vehicles with a push button start system	Battery Fuse(s) Wiring, terminals or connectors Run/start relay Start/stop switch Brake Pedal Position (BPP) switch Starting system RKE system PATS BCM RFA module	GO to PINPOINT TEST E .
NO KEY DETECTED is displayed in the message center	Wiring, terminals or connectors Intelligent Access (IA) key RFA module antennas RFA module	REFER to ANTI THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) to diagnose the IA key concern.
STARTING SYSTEM FAULT is displayed in the message center	Wiring, terminals or connectors PATS RFA module	REFER to ANTI THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) to diagnose PATS .
The ignition key cannot be returned to the OFF position	Wiring, terminals or connectors Ignition lock cylinder Key removal inhibit solenoid (part of the ignition switch) Park range switch (part of the selector lever)	GO to PINPOINT TEST G .
The ignition key can be turned to the OFF position when the selector lever is not in PARK	Wiring, terminals or connectors Key release interlock actuator (part of the ignition switch) Park range switch (part of the selector lever)	GO to PINPOINT TEST H .
The ignition key is hard to turn	Ignition lock cylinder Ignition key Ignition switch	REFER to IGNITION SWITCH - MECHANICAL .
The multifunction switch does not operate correctly	Multifunction switch	REFER to EXTERIOR LIGHTING to diagnose an exterior lighting concern.
The wiper/washer switch does not operate correctly	Wiper/washer switch	REFER to WIPERS AND WASHERS to diagnose a wiper or washer concern.
The start/stop switch mode indicator is always/never illuminated	Wiring, terminals or connectors Start/stop switch BCM	GO to PINPOINT TEST I .