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BYD P2B9298

High-voltage-side driver overtemperature

DriveUnknown. Whether the vehicle can be driven is not yet established by verified evidence.
ChargeUnknown. Whether the vehicle can be charged is not yet established by verified evidence.
ServiceService requirement is unknown in the supplied diagnostic record. Because this code concerns the HV battery system and a high-voltage-side driver temperature condition, qualified BYD service diagnosis is appropriate.
Confidence95%

Quick answer

BYD DTC P2B9298 means “High-voltage-side driver overtemperature” in the HV battery system.

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 P2B9298 mean?

BYD DTC P2B9298 means “High-voltage-side driver overtemperature” in the HV battery system.

2. Technical explanation

Verified diagnostic evidence identifies P2B9298 as a high-voltage-side driver overtemperature fault. The supplied evidence does not establish the specific component location, triggering conditions, root cause, vehicle response, 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 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

  • Do not attempt high-voltage battery or driver repairs yourself.
  • Arrange diagnosis by a qualified BYD service provider if the fault is present.

10. Step-by-step troubleshooting

  1. Use appropriate diagnostic equipment and BYD service information to confirm DTC P2B9298. Further troubleshooting steps are not yet established by verified evidence.

11. When to contact service

Service requirement is unknown in the supplied diagnostic record. Because this code concerns the HV battery system and a high-voltage-side driver temperature condition, qualified BYD service diagnosis is appropriate.

12. What the service center may check

  • Confirm the presence and status of P2B9298 with diagnostic equipment.
  • Further 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

  • 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 P2B9298 as “High-voltage-side driver overtemperature” for the applicable BYD vehicles. No manufacturer-issued repair instructions, bulletin, recall, or operating guidance was supplied.

19. Frequently asked questions

What does BYD code P2B9298 mean?

It means “High-voltage-side driver overtemperature” in the HV battery system.

Which vehicles are supported by the supplied evidence?

BYD ATTO 3 model years 2022–2026 (Global), BYD DOLPHIN model years 2021–2026 (Global), and BYD HAN model year 2023 (2023 Champion/Supreme family).

Can I drive or charge with P2B9298?

This is not yet established by verified evidence.

What causes P2B9298?

The cause is not yet established by verified evidence.

20. Sources & verification

Verified
BYD P2B9298: High-voltage-side driver overtemperature | EV Diagnostics