The BYD Seal was produced in China in 2022, 2023, 2024, 2025, and 2026. In this post you will find a description of fuses and Relay in the BYD Seal including fuse box diagrams, their locations, and photo examples. Also we will highlight the fuse responsible for the cigarette lighter.
The design of the units and the purpose of the elements within them may differ from that shown and depend on the year of manufacture, region of delivery, and the level of electrical equipment in your vehicle.
Engine compartment
Under the hood, the main fuse and relay box is located on the front left. To access, remove the top cover of the unit.
Diagram
Designation
| F1 | Spare |
| F2 | 25A External Audio Amplifier |
| F3 | Spare |
| F4 | Spare |
| F5 | Spare |
| F6 | Spare |
| F7 | Spare |
| F8 | Spare |
| F9 | 7.5A Battery Manager |
| F10 | 15A Electrically Controlled Coolant Pump |
| F11 | 10A Electrically Controlled Coolant Pump |
| F12 | Spare |
| F13 | Spare |
| F14 | Spare |
| F15 | 10A ADAS (Advanced Driver Assistance Systems) |
| F16 | 40A Low-Speed Cooling Fan |
| F17 | Spare |
| F18 | Spare |
| F19 | Spare |
| F20 | 20A Trailer Controller |
| F21 | 30A Front Wiper |
| F22 | 30A Rear Window Defroster |
| F23 | 20A Rear Electric Fuel Pump |
| F24 | 10A Electric Compressor |
| F25 | 10A Motor Controller |
| F26 | 7.5A eCall Emergency Communication Module |
| F27 | 15A Auxiliary Power Supply |
| F28 | 15A USB Power Supply |
| F29 | 30A Front Left Power Seat (Driver Seat) |
| F30 | 60A ESC (Electronic Stability Control) |
| F31 | 20A Front Electric Fuel Pump |
| F32 | 30A Front Right Power Seat (Passenger Seat) |
| F33 | 10A Integrated Thermal Management Module |
| F34 | 15A Heater |
| F35 | 5A Rear Body Controller |
| F36 | 10A ADAS (Advanced Driver Assistance Systems) |
| F37 | 7.5A ADAS (Advanced Driver Assistance Systems) |
| F38 | 10A SRS (Supplemental Restraint System / Airbags) |
| F39 | Spare |
| F40 | 7.5A ETC (Electronic Throttle Control) |
| F41 | 5A EPS (Electric Power Steering) |
| F42 | 5A ESC (Electronic Stability Control) |
| F43 | 7.5A Suspension Control Module |
| F44 | 60A ESC (Electronic Stability Control) |
| F45 | 40A Blower Motor |
| F46 | 15A USB Power Supply |
| F47 | Spare |
| F48 | Spare |
| F49 | 125A DP-EPS (Dual-Pinion Electric Power Steering) |
| F50 | Spare |
| F51 | 60A Electric Cooling Fan |
| F52 | Spare |
| F53 | Spare |
Fuses 27 and 28, rated at 15A, are responsible for the cigarette lighter.
Passenger compartment
Inside the vehicle, the fuse box is located at the bottom of the dashboard on the driver’s side. To access it, first remove the left black end cover. Next, remove the lower protective panel by unscrewing the 2 side screws.
Photo for example
Diagram
Assignment
| F01 | 30A BDCU (Rear Body Controller) |
| F02 | 30A BDCU (Rear Body Controller) |
| F03 | 10A Wireless Charger |
| F04 | 10A OBD Diagnostic Port |
| F05 | 7.5A HUD (Head-Up Display) |
| F06 | 5A HFRM (High-Frequency Receiving Module, Keyless Entry / NFC) |
| F07 | 5A SCPA (Shift Control Panel Assembly, Gear Selector Panel) |
| F08 | 20A / 15A Infotainment System (Head Unit) |
| F09 | 5A Brake Light Switch |
| F10 | 30A BDCU (Rear Body Controller) |
| F11 | 7.5A Combination Switch (Turn Signal, Wiper, etc.) |
| F12 | 30A Constant Battery Power Supply |
| F13 | 25A External Audio Amplifier |
| F14 | 30A IDSDC (Intelligent Driving System Domain Controller) |
| F15 | 30A IDSDC (Intelligent Driving System Domain Controller) |
| F16 | 15A PDC (HV All-in-One Controller, Power Distribution Controller) |
| F17 | 15A PDC (HV All-in-One Controller, Power Distribution Controller) |
| F18 | 15A / 25A DiSus Suspension Control Module |
| F19 | 25A Front Left Power Window |
| F20 | 25A Front Right Power Window |
| F21 | 25A Rear Left Power Window |
| F22 | 25A Rear Right Power Window |
| F23 | 15A CCS Communication Converter (Combined Charging System) |
| F24 | 10A Alcohol Interlock Module |
| F25 | 7.5A eCall Emergency Communication Module |
| F26 | Spare |
| F27 | Spare |
| F28 | Spare |
| F29 | Spare |
| F30 | Spare |
| F31 | Spare |
A high-power fuse box may be located near the battery.
If you have anything to add, please write in the comments.