List Of Car Battery Check Engine Light References. This light is a warning about low system voltage, which is easy to understand given that you have a dead battery. Updated on oct 23, 2023.
It could be that your car computer is malfunctioning or confused following the swap. When the battery is faulty, then it means that almost the entire car’s functionality will be affected, including its engine. This test light has 3 testing mode with button control to switch:
