Verified EV diagnostic knowledge page

BYD P1A2500

BIC6 temperature sampling abnormal

DriveUnknown. Whether the vehicle can be driven with P1A2500 is not yet established by verified evidence.
ChargeUnknown. Whether the vehicle can be charged with P1A2500 is not yet established by verified evidence.
ServiceService requirement is unknown in the supplied evidence. Because this code concerns the HV battery, seek assessment from a qualified BYD service provider or EV-qualified technician.
Confidence95%

Quick answer

BYD DTC P1A2500 means “BIC6 temperature sampling abnormal.” It is documented for specified BYD ATTO 3, DOLPHIN, and HAN applications.

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 P1A2500 mean?

BYD DTC P1A2500 means “BIC6 temperature sampling abnormal.” It is documented for specified BYD ATTO 3, DOLPHIN, and HAN applications.

2. Technical explanation

Verified evidence identifies P1A2500 as an HV-battery diagnostic trouble code with the meaning “BIC6 temperature sampling abnormal.” The supplied evidence does not define BIC6 further or identify the precise failed component, operating conditions, root cause, or repair procedure.

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

  • Not yet established by verified evidence.

7. Can I still drive the vehicle?

Unknown. Whether the vehicle can be driven with P1A2500 is not yet established by verified evidence.

8. Can I charge the vehicle?

Unknown. Whether the vehicle can be charged with P1A2500 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 yourself.
  • Record the DTC and any accompanying dashboard messages for the service appointment.

10. Step-by-step troubleshooting

  1. Use appropriate diagnostic equipment to confirm P1A2500 and inspect associated diagnostic information. Further troubleshooting steps are not yet established by verified evidence.

11. When to contact service

Service requirement is unknown in the supplied evidence. Because this code concerns the HV battery, seek assessment from a qualified BYD service provider or EV-qualified technician.

12. What the service center may check

  • Confirm the presence of P1A2500 and review associated diagnostic information. Specific service checks are 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 bulletin information was supplied or verified for P1A2500.

16. Recall information

  • No recall information was supplied or verified for P1A2500.

17. Official manufacturer information

Verified technical-manual index evidence lists P1A2500 as “BIC6 temperature sampling abnormal” for the stated BYD applications. No manufacturer repair procedure or official owner guidance was supplied.

19. Frequently asked questions

What does BYD code P1A2500 mean?

It means “BIC6 temperature sampling abnormal.”

Which vehicles are covered by the verified evidence?

BYD ATTO 3 model years 2022–2026 globally; BYD DOLPHIN model years 2021–2026 globally; and BYD HAN model year 2023 globally.

Can I drive or charge with P1A2500?

This is unknown; the supplied verified evidence does not establish whether driving or charging is safe.

What repair fixes P1A2500?

A repair resolution is not yet established by verified evidence.

20. Sources & verification

Verified
BYD P1A2500: BIC6 temperature sampling abnormal | EV Diagnostics