Verified EV diagnostic knowledge page

BYD B1C1600

Start button fault

DriveUnknown. Not yet established by verified evidence.
ChargeUnknown. Not yet established by verified evidence.
ServiceService requirement is unknown in the supplied evidence. Contact a qualified BYD service provider for diagnosis if B1C1600 is present.
Confidence95%

Quick answer

B1C1600 is a BYD body-control DTC meaning “Start button fault.” Verified applicability: 2024 BYD SEALION 7, Global market.

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 B1C1600 mean?

B1C1600 is a BYD body-control DTC meaning “Start button fault.” Verified applicability: 2024 BYD SEALION 7, Global market.

2. Technical explanation

The verified technical-manual evidence identifies B1C1600 as a start button fault within the body control system. The supplied evidence does not further define the fault conditions, detection logic, or component-level cause.

3. What system is affected?

Body control

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

  • A start button fault is identified by the DTC meaning. Specific underlying causes are 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

  • Arrange diagnosis by a qualified BYD service provider if the code is present.
  • Do not attempt high-voltage system repair based on this code.

10. Step-by-step troubleshooting

  1. Use approved BYD diagnostic information to confirm B1C1600 and assess the start-button-related body-control fault. Further troubleshooting steps are not yet established by verified evidence.

11. When to contact service

Service requirement is unknown in the supplied evidence. Contact a qualified BYD service provider for diagnosis if B1C1600 is present.

12. What the service center may check

  • Confirm DTC B1C1600 using approved diagnostic equipment.
  • Assess the start-button-related fault using approved BYD diagnostic procedures. Detailed 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

  • Not yet established by verified evidence.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified source: 17VIN technical manual index, “BYD SEALION 7 diagnostic evidence,” locator: “SEALION 7 | Sealion 07 EV / 2024 | B1C1600.” The source identifies the code as “Start button fault.”

19. Frequently asked questions

What does BYD code B1C1600 mean?

It means “Start button fault” in the body control system.

Which vehicle is verified to use B1C1600?

The supplied evidence verifies applicability to the 2024 BYD SEALION 7 in the Global market.

Can I drive or charge with B1C1600?

Not yet established by verified evidence.

20. Sources & verification

Verified
BYD B1C1600: Start button fault | EV Diagnostics