Traction Control "Trac On" Indicator

Symptom:
*TRACTION CONTROL "TRAC ON" INDICATOR

POSSIBLE CAUSES
INSTRUMENT CLUSTER
INSTRUMENT CLUSTER (INOPERATIVE TRAC ON INDICATOR IN TRACTION CONTROL MODE)
DEFECTIVE BULB OR SOCKET
INSTRUMENT CLUSTER (TRACTION ON INDICATOR ON ALL THE TIME)
TRACTION CONTROL INOPERATIVE