BYD C1066FC
Steering angle sensor calibration error
Quick answer
C1066FC is a BYD steering-system DTC meaning “Steering angle sensor calibration error.” Verified applicability is 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 C1066FC mean?
C1066FC is a BYD steering-system DTC meaning “Steering angle sensor calibration error.” Verified applicability is BYD ATTO 3 model years 2022–2026, Global region.
2. Technical explanation
The verified diagnostic evidence identifies C1066FC as a steering angle sensor calibration error. The supplied evidence does not establish the specific triggering conditions, component fault mechanism, or required repair procedure.
3. What system is affected?
Steering
4. How serious is this code?
Unknown. Severity is not yet established by verified evidence.
5. Symptoms you may notice
- Not yet established by verified evidence.
6. Possible causes
- Steering angle sensor calibration error is the verified DTC meaning.
- Specific underlying causes are not yet established by verified evidence.
7. Can I still drive the vehicle?
Unknown. Whether the vehicle can be driven is not yet established by verified evidence.
8. Can I charge the vehicle?
Unknown. Whether the vehicle can be charged is not yet established by verified evidence.
9. What you can safely do
- Arrange diagnosis by a qualified BYD service provider or appropriately trained technician.
- Do not attempt high-voltage-system repair based on this DTC.
10. Step-by-step troubleshooting
- Confirm the stored DTC using suitable diagnostic equipment.
- Further diagnostic 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 the code is present.
12. What the service center may check
- Read and document C1066FC and any accompanying DTCs.
- Additional service 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
- 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) / C1066FC. The evidence states: “Steering angle sensor calibration error.”
- OBDTotal technical manual index: BYD ATTO 3 diagnostic evidence · technical_manual
19. Frequently asked questions
What does BYD code C1066FC mean?
It means “Steering angle sensor calibration error.”
Which vehicles are verified for C1066FC?
BYD ATTO 3, model years 2022–2026, Global region.
Is it safe to drive with C1066FC?
Not yet established by verified evidence.
Can C1066FC affect charging?
Not yet established by verified evidence.