What Do The Lights On my ECU Mean?
3 years 4 weeks ago #5005
The purpose of the red LED light on your ECU is to let you know your ECU is functioning properly. The Red light below the power symbol on your ECU will hold solid light when functioning properly. If the Red light is off it means you do not have sufficient power supply to your ECU. You need a minimum of 12 Volts of power to operate the ECU, and no more then 16 Volts or you will have a power overload. Your ECU power light will still come on if you have more then 4.7 volts, but it will not function properly without at least 12 Volts.
The red Light below the WiFi symbol on your ECU will hold solid light when functioning properly. This lets you know you are connected to your ECU WiFi connection. If the red light is flashing, this means your ECU is putting out a WiFi signal but it's not connected to a device. Lastly if your WiFi light is not flashing, your ECU software is malfunctioning and you must get it repaired by Agtron.