BYD B1E1907
Mute switch stuck
Quick answer
B1E1907 is a BYD diagnostic trouble code meaning “Mute switch stuck.” Verified applicability: BYD ATTO 3, model years 2022–2026, 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 B1E1907 mean?
B1E1907 is a BYD diagnostic trouble code meaning “Mute switch stuck.” Verified applicability: BYD ATTO 3, model years 2022–2026, Global region.
2. Technical explanation
The verified technical-manual evidence identifies B1E1907 as a Switches-system DTC for a mute switch that is stuck. The evidence does not establish the switch location, fault conditions, root cause, or repair procedure.
3. What system is affected?
Switches
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 mute switch stuck condition is identified by the DTC definition. The underlying cause is 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
- Avoid attempting high-voltage repairs.
- If the mute function is not operating normally, arrange diagnostic assessment by a qualified BYD service provider.
10. Step-by-step troubleshooting
- Confirm the reported DTC is B1E1907 using suitable diagnostic equipment.
- Have a qualified service provider diagnose the mute switch stuck condition. Further diagnostic steps are not yet established by verified evidence.
11. When to contact service
Service requirement is unknown based on the verified evidence. Contact a qualified BYD service provider if the condition is present or the DTC returns.
12. What the service center may check
- Verify DTC B1E1907 and assess the mute switch stuck condition. Specific inspection and test procedures 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
- 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) / B1E1907. https://obdtotal.com/product/byd-atto3-yuanplus-sc2e-service-manual/
- OBDTotal technical manual index: BYD ATTO 3 diagnostic evidence · technical_manual
19. Frequently asked questions
What does BYD code B1E1907 mean?
It means “Mute switch stuck.”
Which vehicles are covered by the supplied evidence?
BYD ATTO 3 vehicles for model years 2022–2026 in the Global region.
Is it safe to drive or charge with B1E1907?
Not yet established by verified evidence.
What repair fixes B1E1907?
Not yet established by verified evidence.