Symptom Chart

SYMPTOM CHART

Condition	Possible Sources	Action
NOTE: LED lamps draw low current compared to an incandescent bulb. The Body Control Module (BCM) can interpret this as a bulb out and fast flashes (bulb outage mode). The turn signal lamps flash fast and no bulbs are inoperative (Edge)	Bulb	INSTALL correct turn lamp bulbs as necessary. TEST the system for normal operation.
The turn signal lamps flash fast and no bulbs are inoperative (MKX)	Wiring, terminals or connectors Rear lamp assembly Body Control Module (BCM)	GO to PINPOINT TEST S .
The turn signal function is inoperative	Multifunction switch Steering Column Control Module (SCCM)	VERIFY the bulbs are OK. If OK, GO to PINPOINT TEST T .
The turn signal function is always on	Multifunction switch SCCM	INSTALL a new multifunction switch. REFER to STEERING COLUMN SWITCHES . TEST the system for normal operation. If the concern still exists, INSTALL a new SCCM . REFER to STEERING COLUMN SWITCHES . TEST the system for normal operation.
One turn signal lamp is inoperative/always on	Wiring, terminals or connectors Exterior mirror Bulb socket BCM	VERIFY the bulb is OK. If OK, GO to PINPOINT TEST U .
The hazard lamp function is inoperative/always on	Wiring, terminals or connectors Front Controls Interface Module (FCIM) BCM	GO to PINPOINT TEST V .