BYD B1C2D02
Vehicle-speed CAN signal fault
Quick answer
For the 2024 BYD SEALION 7 (Global), DTC B1C2D02 is identified as a vehicle-speed CAN signal fault in the Body/network system.
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
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1. What does B1C2D02 mean?
For the 2024 BYD SEALION 7 (Global), DTC B1C2D02 is identified as a vehicle-speed CAN signal fault in the Body/network system.
2. Technical explanation
Verified evidence identifies B1C2D02 as a vehicle-speed CAN signal fault. This indicates a fault classification involving the vehicle-speed signal communicated through the CAN network. The supplied evidence does not establish the specific failed component, network location, operating conditions, or diagnostic procedure.
3. What system is affected?
Body/network
4. How serious is this code?
Unknown. Not yet established by verified evidence.
5. Symptoms you may notice
- Not yet established by verified evidence.
6. Possible causes
- Not yet established by verified evidence.
7. Can I still drive the vehicle?
Unknown. Not yet established by verified evidence.
8. Can I charge the vehicle?
Unknown. Not yet established by verified evidence.
9. What you can safely do
- Record the exact diagnostic trouble code: B1C2D02.
- Arrange diagnosis using verified BYD service information or qualified service support.
- Do not attempt high-voltage or CAN-network repair procedures without appropriate training and verified documentation.
10. Step-by-step troubleshooting
- Confirm that B1C2D02 is present with a suitable diagnostic tool.
- Further troubleshooting steps are not yet established by the supplied verified evidence.
11. When to contact service
Service requirement is unknown from the supplied evidence. Seek qualified BYD service support if diagnosis is needed.
12. What the service center may check
- Not yet established by verified evidence.
13. Possible repair or resolution
- Not yet established by verified evidence.
14. Affected vehicles
- BYD SEALION 7 · 2024 · GLOBAL
15. Related TSBs / service bulletins
- No technical service bulletin information was supplied as verified evidence.
16. Recall information
- No recall information was supplied as verified evidence.
17. Official manufacturer information
Verified source: 17VIN technical manual index, “BYD SEALION 7 diagnostic evidence,” locator: “SEALION 7 | Sealion 07 EV / 2024 | B1C2D02.” It identifies the code as “Vehicle-speed CAN signal fault.” Applicability supplied: 2024 BYD SEALION 7, Global.
- 17VIN technical manual index: BYD SEALION 7 diagnostic evidence · technical_manual
19. Frequently asked questions
What does BYD code B1C2D02 mean?
For the 2024 BYD SEALION 7 covered by the supplied evidence, B1C2D02 means “Vehicle-speed CAN signal fault.”
Which system is associated with B1C2D02?
The supplied diagnostic record classifies it under the Body/network system.
Is it safe to drive with B1C2D02?
Not yet established by verified evidence.
Can the vehicle be charged with B1C2D02 present?
Not yet established by verified evidence.