Charging Indicator Light Operation Failure

CHARGING INDICATOR LIGHT SYMPTOM DIAGNOSIS CHART

Condition	Possible Cause	Action
Charging indicator light does not light up with ignition ON and engine off	Blown fuse	Replace fuse .
	Faulty CAN communication line	Repair or replace CAN communication line , see CAN DTC (LOST COMMUNICATION AND COMMUNICATION BUS OFF) TABLE .
	Faulty combination meter	Replace combination meter , see INSTRUMENT PANEL DISASSEMBLY AND REASSEMBLY .
	Faulty BCM	Check BCM , see INSPECTION OF BCM AND ITS CIRCUITS .
	Faulty wiring	Repair wiring .
	Faulty IC regulator or field coil	Repair or replace generator , see GENERATOR DISASSEMBLY AND REASSEMBLY .
Charging indicator light does not light up with engine running (battery requires frequent recharging)	Worn or damage accessory drive belt	Replace accessory drive belt , see ACCESSORY DRIVE BELT REMOVAL AND INSTALLATION .
	Faulty IC regulator or generator	Replace generator , see GENERATOR REMOVAL AND INSTALLATION .
	Faulty wiring	Repair wiring .