BYD B225511
Sunroof motor short to ground
Quick answer
DTC B225511 on a BYD ATTO 3 indicates: “Sunroof motor short to ground.”
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 B225511 mean?
DTC B225511 on a BYD ATTO 3 indicates: “Sunroof motor short to ground.”
2. Technical explanation
Verified diagnostic evidence identifies B225511 as a sunroof-system fault meaning “Sunroof motor short to ground.” The supplied evidence does not further define the monitored circuit, fault-setting conditions, or diagnostic thresholds.
3. What system is affected?
Sunroof
4. How serious is this code?
Unknown. The verified evidence does not assign a severity level.
5. Symptoms you may notice
- Not yet established by verified evidence.
6. Possible causes
- Verified evidence identifies a sunroof motor short-to-ground condition. Further underlying causes are not yet established by verified evidence.
7. Can I still drive the vehicle?
Unknown. The verified evidence does not state whether driving is safe with B225511 present.
8. Can I charge the vehicle?
Unknown. The verified evidence does not state whether charging is safe with B225511 present.
9. What you can safely do
- Arrange diagnosis by a qualified BYD service provider or automotive technician.
- Do not attempt high-voltage work; no high-voltage repair procedure is established by the supplied evidence.
- Record the DTC and any observed sunroof behavior for the service visit.
10. Step-by-step troubleshooting
- Use appropriate manufacturer diagnostic information to confirm B225511 and investigate the sunroof motor circuit. Specific diagnostic steps are not yet established by verified evidence.
11. When to contact service
Service requirement is unknown in the supplied diagnostic record. Professional diagnosis is appropriate because the verified code identifies a short-to-ground condition in the sunroof motor system.
12. What the service center may check
- Confirm DTC B225511 using suitable diagnostic equipment.
- Inspect and test according to applicable BYD service information. Specific checks are not yet established by verified evidence.
13. Possible repair or resolution
- Not yet established by verified evidence.
14. Affected vehicles
- BYD ATTO 3 · 2022–2026 · GLOBAL
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 applicability: BYD ATTO 3, model years 2022–2026, Global region. Evidence source: OBDTotal technical manual index, “BYD ATTO 3 diagnostic evidence,” locator: ATTO 3 / Yuan Plus (SC2E) / B225511. The diagnostic entry was last verified on 2026-09-25.
- OBDTotal technical manual index: BYD ATTO 3 diagnostic evidence · technical_manual
19. Frequently asked questions
What does BYD code B225511 mean?
It means “Sunroof motor short to ground.”
Which vehicles are verified as applicable for B225511?
The supplied evidence verifies BYD ATTO 3 vehicles for model years 2022 through 2026 in the Global region.
Can I drive with B225511?
Not yet established by verified evidence.
Does B225511 affect EV charging?
Not yet established by verified evidence.