Why does the car remote key have power but no response?
1 Answers
Reasons for the car key having power but no response: 1. Nearby interference. 2. Obstruction by buildings. 3. Insufficient battery power. 4. Faulty remote key circuit board. Below is the relevant introduction: 1. Function of the remote key: The remote key operates through a wireless communication system consisting of a transmitter and receiver, which is a low-power radio device. The car's control system identifies the signal code via the electronic control unit (ECU). 2. Advantages of the remote key: Car remote keys emit signals in the form of radio waves, and interference can affect signal reception. The biggest advantage of a remote key is the convenience of locking and unlocking from a distance, day or night, without the need to find a keyhole.