BYD is equipped with s6, and there is a fault code in large-screen navigation.

Excuse me, what you want to ask is "the reason why BYD has a big screen navigation fault code when it is equipped with s6"? This situation is caused by compatibility, installation and navigation problems.

1. Compatibility problem: The large-screen navigation may be incompatible with other electronic systems of the vehicle, resulting in the occurrence of fault codes. This may be due to the mismatch between the software or hardware of the navigation system and the vehicle electronic system.

2. Installation problem: If the large-screen navigation is improperly installed, it may damage the circuit or electronic components of the vehicle, resulting in a fault code. Ensure that the navigation system is installed correctly and follow the manufacturer's installation guide.

3. Navigation system failure: The large-screen navigation itself may fail, leading to the occurrence of fault codes. This may be caused by software or hardware problems inside the navigation system.