Why can't the BYD S6 key be detected?

1 Answers
ArielLee
07/30/25 12:13am
BYD S6 key not being detected may be caused by loose fuses or relays, or it could be due to a dead battery. Here are the reasons for key fob failure: 1. Key fob battery dead: Naturally, this prevents the car door from opening. 2. Car battery dead: If the car battery is dead, the vehicle's sensors won't have power and thus can't detect the key. 3. Sensor module malfunction: There might be an issue with either the key fob or the sensor module. Additional information: The car smart key is a common keyless entry system, also known as an intelligent key system. It consists of a transmitter, remote central locking control module, driving authorization system control module (three receivers), and related wiring harnesses that form the control system.
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