Verified EV diagnostic knowledge page

BYD P1A2600

BIC7 temperature sampling abnormal

DriveUnknown. The supplied verified evidence does not establish whether the vehicle can be driven with P1A2600 present.
ChargeUnknown. The supplied verified evidence does not establish whether the vehicle can be charged with P1A2600 present.
ServiceService need is unknown in the supplied evidence. Because this code concerns the HV battery system, arrange assessment by a qualified BYD service provider if the code is present or returns.
Confidence95%

Quick answer

BYD DTC P1A2600 means “BIC7 temperature sampling abnormal.” It is identified as an HV battery-system diagnostic code.

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 P1A2600 mean?

BYD DTC P1A2600 means “BIC7 temperature sampling abnormal.” It is identified as an HV battery-system diagnostic code.

2. Technical explanation

Verified technical-manual index evidence defines P1A2600 as “BIC7 temperature sampling abnormal.” The supplied evidence does not further define BIC7, identify the failed component or circuit, provide diagnostic thresholds, or specify a repair procedure.

3. What system is affected?

HV battery

4. How serious is this code?

Unknown. The supplied verified evidence does not assign a severity level.

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. The supplied verified evidence does not establish whether the vehicle can be driven with P1A2600 present.

8. Can I charge the vehicle?

Unknown. The supplied verified evidence does not establish whether the vehicle can be charged with P1A2600 present.

9. What you can safely do

  • Record the diagnostic code P1A2600 and any accompanying vehicle messages for service diagnosis.
  • Do not attempt high-voltage battery repair based on this code alone.

10. Step-by-step troubleshooting

  1. Use appropriate BYD diagnostic information and qualified service procedures to evaluate P1A2600. Specific diagnostic steps are not established by the supplied verified evidence.

11. When to contact service

Service need is unknown in the supplied evidence. Because this code concerns the HV battery system, arrange assessment by a qualified BYD service provider if the code is present or returns.

12. What the service center may check

  • Confirm the stored DTC and review associated diagnostic information. Further service checks are not established by verified evidence.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

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 evidence sources are technical-manual indexes: OBDTotal technical manual index for BYD ATTO 3 / Yuan Plus (SC2E), and 17VIN technical manual index entries for BYD DOLPHIN and BYD HAN. They identify P1A2600 as “BIC7 temperature sampling abnormal.”

19. Frequently asked questions

What does BYD code P1A2600 mean?

It means “BIC7 temperature sampling abnormal.”

What system is associated with P1A2600?

The supplied diagnostic record identifies the system as the HV battery.

Which vehicles are supported 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 P1A2600?

Not yet established by verified evidence.

20. Sources & verification

Verified
BYD P1A2600: BIC7 temperature sampling abnormal | EV Diagnostics