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BYD P1C0300

Rear motor controller IGBT-NTC general overtemperature

DriveNot yet established by verified evidence. The supplied diagnostic record lists safe-to-drive status as unknown.
ChargeNot yet established by verified evidence. The supplied diagnostic record lists safe-to-charge status as unknown.
ServiceService requirement is not established by the supplied record, which lists it as unknown. However, because this code concerns the rear motor controller and an overtemperature report, qualified professional diagnosis is appropriate.
Confidence95%

Quick answer

P1C0300 indicates a general overtemperature condition reported by the rear motor controller IGBT-NTC on applicable BYD SEAL vehicles.

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 P1C0300 mean?

P1C0300 indicates a general overtemperature condition reported by the rear motor controller IGBT-NTC on applicable BYD SEAL vehicles.

2. Technical explanation

The verified diagnostic meaning for P1C0300 is “Rear motor controller IGBT-NTC general overtemperature.” IGBT-NTC refers to the rear motor controller’s IGBT temperature-sensing context. The supplied evidence establishes the fault title and its association with the rear motor controller, but does not establish a specific underlying failure mechanism, operating condition, or repair procedure.

3. What system is affected?

Rear motor controller.

4. How serious is this code?

Not yet established by verified evidence. The supplied diagnostic record lists severity as unknown.

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?

Not yet established by verified evidence. The supplied diagnostic record lists safe-to-drive status as unknown.

8. Can I charge the vehicle?

Not yet established by verified evidence. The supplied diagnostic record lists safe-to-charge status as unknown.

9. What you can safely do

  • Do not attempt high-voltage or rear motor controller repair based on this code alone.
  • Arrange diagnosis by a qualified BYD service provider or suitably trained EV technician.

10. Step-by-step troubleshooting

  1. Confirm the stored DTC is P1C0300 using suitable diagnostic equipment.
  2. Use manufacturer-approved diagnostic information and procedures for the applicable vehicle.
  3. Do not perform high-voltage component testing, disassembly, or repair without appropriate qualification and procedures.

11. When to contact service

Service requirement is not established by the supplied record, which lists it as unknown. However, because this code concerns the rear motor controller and an overtemperature report, qualified professional diagnosis is appropriate.

12. What the service center may check

  • Verify P1C0300 and review available diagnostic data using manufacturer-approved equipment.
  • Follow BYD-approved diagnostic procedures for the rear motor controller. Further specific 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 comes from an indexed technical document titled “BYD SEAL diagnostic evidence,” identified as a technical manual source. It lists P1C0300 as “Rear motor controller IGBT-NTC general overtemperature.” Applicability supplied with the record is BYD SEAL, model years 2022 through 2026, GLOBAL region.

19. Frequently asked questions

What does BYD code P1C0300 mean?

It means “Rear motor controller IGBT-NTC general overtemperature.”

Which vehicles are covered by the supplied evidence?

BYD SEAL vehicles for model years 2022–2026 in the GLOBAL region.

Is it safe to drive with P1C0300?

Not yet established by verified evidence. The supplied record marks safe-to-drive status as unknown.

Can the vehicle be charged with P1C0300?

Not yet established by verified evidence. The supplied record marks safe-to-charge status as unknown.

What causes P1C0300?

Not yet established by verified evidence.

20. Sources & verification

Verified
BYD P1C0300: Rear motor controller IGBT-NTC general overtemperature | EV Diagnostics