BYD P1A0E00
BIC3 voltage sampling abnormal
Quick answer
BYD DTC P1A0E00 means: BIC3 voltage sampling abnormal. It is identified in the HV battery system.
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1. What does P1A0E00 mean?
BYD DTC P1A0E00 means: BIC3 voltage sampling abnormal. It is identified in the HV battery system.
2. Technical explanation
Verified technical-manual index evidence identifies P1A0E00 as “BIC3 voltage sampling abnormal.” The supplied evidence does not define BIC3 further, describe the fault criteria, or identify a component-level cause.
3. What system is affected?
HV battery
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
- A specific cause is 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 EV-qualified technician.
- Do not attempt high-voltage battery diagnosis, disassembly, or repair based on this code alone.
10. Step-by-step troubleshooting
- Confirm the stored DTC using suitable diagnostic equipment.
- Use applicable BYD service information for the specific vehicle before performing further diagnosis.
- Further diagnostic steps are not yet established by the supplied verified evidence.
11. When to contact service
Service requirement is unknown in the supplied evidence. Because this DTC concerns the HV battery system, seek assessment by a qualified BYD service provider or EV-qualified technician.
12. What the service center may check
- Confirm P1A0E00 and review associated diagnostic information with suitable scan equipment.
- Specific inspection and test procedures are not yet established by verified evidence.
13. Possible repair or resolution
- A verified repair resolution is not yet established by the supplied evidence.
14. Affected vehicles
- BYD ATTO 3 · 2022–2026 · GLOBAL
- BYD DOLPHIN · 2021–2026 · GLOBAL
- BYD HAN · 2023 · 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 technical-manual index evidence lists P1A0E00 as “BIC3 voltage sampling abnormal” for specified BYD vehicles. The supplied sources are: OBDTotal technical manual index for BYD ATTO 3 / Yuan Plus (SC2E), and 17VIN technical manual index entries for BYD DOLPHIN and BYD HAN.
- 17VIN technical manual index: BYD DOLPHIN diagnostic evidence · technical_manual
- 17VIN technical manual index: BYD HAN diagnostic evidence · technical_manual
- OBDTotal technical manual index: BYD ATTO 3 diagnostic evidence · technical_manual
19. Frequently asked questions
What does BYD code P1A0E00 mean?
It means “BIC3 voltage sampling abnormal.”
Which system is affected by P1A0E00?
The supplied diagnostic record identifies the HV battery system.
Can I drive with P1A0E00?
Not yet established by verified evidence.
Can I charge with P1A0E00?
Not yet established by verified evidence.
Which BYD vehicles are supported by the supplied evidence?
BYD ATTO 3 model years 2022–2026 globally, BYD DOLPHIN model years 2021–2026 globally, and BYD HAN model year 2023 globally.