Knowledge and insights for professional EV repair.
A BYD ATTO 3 charging flap that will not open or lock may involve the lock motor, connectors or right domain controller. Understand their electrical connections and how circuit checks help identify the fault.
The BYD DOLPHIN starter-type iron battery may enter sleep after disconnection or prolonged storage. Understand how sleep, low charge and restoring power relate to the vehicle's condition after repair.
Insufficient cooling in the BYD M6 involves both the refrigerant circuit and air distribution. Learn how outlet temperature, refrigerant pressure and mode doors help locate the cause of poor cooling.
BYD Seagull P1ADE00 indicates that an air conditioning fault prevents the battery from cooling. Learn how air conditioning fault codes, refrigerant, lines, and the electric compressor provide diagnostic clues for battery cooling issues.
On the BYD SEAL, C100800 means the left-front tire pressure module ID is not registered; C100003 indicates an RF communication fault. Understand the differences and the diagnostic significance of recurrence results and registration status.
The BYD SEALION 6 uses engine coolant waste heat or PTC air heating. Learn how each source transfers heat and how the blower, air doors and ducts deliver warm air to the cabin and windshield.
Understand BYD SEALION 7 AVAS warning sounds when moving forward and reversing. Use changes in vehicle speed to distinguish warning-sound behavior from noises that need further investigation.