Possibly something else is going on in the charging system. If your car is newer, perhaps the ECU doesn't know the alternator is charging the battery(I. Dashboard warning lights turn on: Your battery light or check engine light will illuminate if there's a battery problem. Problems with electricals: A dying. If the car battery indicator comes on only when you start your car, that is a standard system test. If it stays on while you're driving, then there is likely a.
Causes and Fixes Battery Light On but Alternator is Charging
Faulty or failed alternator: When the battery light comes on, chances are there's not actually a problem with your battery. · Bad voltage regulator: The voltage. Have you checked all your grounds? Corrosion or shorts on any wires? Voltage drop on all cables going from battery, alternator and. A chemical reaction between battery acid and the air can cause a white, crusty buildup to form on the terminals of your MDX car battery. This buildup — known as.
The battery light is designed to warn you that there is an issue with the battery, whether it be a bad cell, low charge, or other various issues with the. One reason your battery light might turn on is that a battery cable or wire belonging to the battery charging system is corroded or loose. The Alternator. The. While You're driving Your Acura MDX, You may suddenly experience a light on Your dashboard that reads, "check charging system." What could this mean The.