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BYD B1C2E00

Front door lock fault

DriveUnknown. Whether the vehicle can be driven with B1C2E00 is not established by verified evidence.
ChargeUnknown. Whether the vehicle can be charged with B1C2E00 is not established by verified evidence.
ServiceService need is unknown in the supplied record. If the front door lock fault affects normal door-lock operation, seek qualified service for diagnosis.
Confidence95%

Quick answer

B1C2E00 is a BYD Body control DTC meaning “Front door lock fault.” Verified applicability is the 2024 BYD SEALION 7 / Sealion 07 EV, Global region.

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 B1C2E00 mean?

B1C2E00 is a BYD Body control DTC meaning “Front door lock fault.” Verified applicability is the 2024 BYD SEALION 7 / Sealion 07 EV, Global region.

2. Technical explanation

The verified technical-manual evidence identifies B1C2E00 as a front door lock fault within the Body control system. The supplied evidence does not further identify the affected side, operating conditions, root cause, or diagnostic procedure.

3. What system is affected?

Body control; front door lock.

4. How serious is this code?

Unknown. Severity is not established by the verified evidence.

5. Symptoms you may notice

  • A front door lock fault is indicated by DTC B1C2E00. Specific vehicle symptoms are not yet established by verified evidence.

6. Possible causes

  • Not yet established by verified evidence.

7. Can I still drive the vehicle?

Unknown. Whether the vehicle can be driven with B1C2E00 is not established by verified evidence.

8. Can I charge the vehicle?

Unknown. Whether the vehicle can be charged with B1C2E00 is not established by verified evidence.

9. What you can safely do

  • Arrange diagnosis by a qualified BYD service provider or suitably qualified automotive technician.
  • Do not attempt high-voltage system repairs based on this DTC; the verified evidence concerns the body-control/front-door-lock system and provides no high-voltage repair procedure.

10. Step-by-step troubleshooting

  1. The verified evidence does not provide a troubleshooting sequence, measurements, wiring checks, or component tests.
  2. A service provider should diagnose the stored Body control DTC using applicable BYD diagnostic information.

11. When to contact service

Service need is unknown in the supplied record. If the front door lock fault affects normal door-lock operation, seek qualified service for diagnosis.

12. What the service center may check

  • Confirm the presence of DTC B1C2E00 in the Body control system.
  • Further service checks are not yet established by verified evidence.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • No technical service bulletins were supplied in the verified evidence.

16. Recall information

  • No recalls were supplied in the verified evidence.

17. Official manufacturer information

Verified source: 17VIN technical manual index, “BYD SEALION 7 diagnostic evidence,” locator: “SEALION 7 | Sealion 07 EV / 2024 | B1C2E00.” It identifies the code as “Front door lock fault.”

19. Frequently asked questions

What does BYD code B1C2E00 mean?

It means “Front door lock fault” in the Body control system.

Which vehicles are verified to use B1C2E00?

The supplied evidence verifies applicability to the 2024 BYD SEALION 7 / Sealion 07 EV in the Global region.

Is it safe to drive or charge with B1C2E00?

This is not yet established by verified evidence.

20. Sources & verification

Verified
BYD B1C2E00: Front door lock fault | EV Diagnostics