Verified EV diagnostic knowledge page

BYD B225407

Sunroof switch stuck

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService requirement is not established by verified evidence. A qualified BYD service provider can diagnose the stored code and sunroof control concern.
Confidence95%

Quick answer

BYD DTC B225407 means “Sunroof switch stuck.” Verified applicability: BYD ATTO 3 model years 2022–2026, 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 B225407 mean?

BYD DTC B225407 means “Sunroof switch stuck.” Verified applicability: BYD ATTO 3 model years 2022–2026, Global market.

2. Technical explanation

The verified technical-manual evidence identifies B225407 as a Sunroof-system diagnostic trouble code with the meaning “Sunroof switch stuck.” The evidence does not further define the detection conditions, root cause, or repair procedure.

3. What system is affected?

Sunroof

4. How serious is this code?

Unknown. Severity is not established by verified evidence.

5. Symptoms you may notice

  • A stored B225407 diagnostic trouble code.
  • Further symptoms are not yet established by verified evidence.

6. Possible causes

  • The diagnostic meaning is “Sunroof switch stuck.”
  • Specific underlying causes are not yet established by verified evidence.

7. Can I still drive the vehicle?

Not yet established by verified evidence.

8. Can I charge the vehicle?

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 or the sunroof control is not operating normally.
  • Do not attempt unverified electrical repairs.

10. Step-by-step troubleshooting

  1. Verified evidence confirms the code meaning only. Diagnostic test steps are not yet established by verified evidence.

11. When to contact service

Service requirement is not established by verified evidence. A qualified BYD service provider can diagnose the stored code and sunroof control concern.

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

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: OBDTotal technical manual index, “BYD ATTO 3 diagnostic evidence,” locator: ATTO 3 / Yuan Plus (SC2E) / B225407. https://obdtotal.com/product/byd-atto3-yuanplus-sc2e-service-manual/

19. Frequently asked questions

What does BYD code B225407 mean?

It means “Sunroof switch stuck.”

Which vehicles are covered by the supplied evidence?

BYD ATTO 3, model years 2022–2026, Global market.

Is it safe to drive or charge with B225407?

Not yet established by verified evidence.

20. Sources & verification

Verified
BYD B225407: Sunroof switch stuck | EV Diagnostics