Verified EV diagnostic knowledge page

BYD P1C1900

Rear drive motor winding temperature sensor sampling abnormal

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 evidence. Because this code concerns the rear drive motor temperature-sensor sampling function, seek assessment from a qualified BYD service provider.
Confidence95%

Quick answer

P1C1900 on a BYD SEAL means: Rear drive motor winding temperature sensor sampling abnormal.

This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.

Video guides

Watch Videos

Relevant videos play here without leaving this diagnostic page.

No sufficiently relevant embeddable video has been accepted for this diagnostic yet.

Videos are supporting material and never override OEM or regulator evidence.

1. What does P1C1900 mean?

P1C1900 on a BYD SEAL means: Rear drive motor winding temperature sensor sampling abnormal.

2. Technical explanation

Verified diagnostic evidence identifies P1C1900 as an abnormal sampling condition involving the rear drive motor winding temperature sensor. The supplied evidence does not establish the specific electrical or mechanical reason for the abnormal sampling.

3. What system is affected?

Rear drive motor.

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

  • Arrange professional diagnostic assessment by a qualified BYD service provider.
  • Record any warning messages and the conditions present when P1C1900 was identified.

10. Step-by-step troubleshooting

  1. A qualified service provider should retrieve and assess the diagnostic trouble code P1C1900.
  2. 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 rear drive motor temperature-sensor sampling function, seek assessment from a qualified BYD service provider.

12. What the service center may check

  • Confirm the presence of P1C1900 with suitable diagnostic equipment.
  • Assess the rear drive motor winding temperature sensor sampling concern. Additional prescribed 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 TSB or service bulletin information was supplied in the verified evidence.

16. Recall information

  • No recall information was supplied in the verified evidence.

17. Official manufacturer information

Verified source: Indexed technical document, “BYD SEAL diagnostic evidence,” locator: “SEAL | European technical-training vehicle | P1C1900.” The source identifies P1C1900 as “Rear drive motor winding temperature sensor sampling abnormal.”

19. Frequently asked questions

What does BYD code P1C1900 mean?

It means “Rear drive motor winding temperature sensor sampling abnormal.”

Which vehicles does the supplied evidence cover?

The verified applicability evidence covers BYD SEAL vehicles for model years 2022 through 2026 in the GLOBAL region.

Is it safe to drive with P1C1900?

Not yet established by verified evidence.

Is charging safe with P1C1900?

Not yet established by verified evidence.

What causes P1C1900?

The specific cause is not yet established by verified evidence.

20. Sources & verification

Verified
BYD P1C1900: Rear drive motor winding temperature sensor sampling… | EV Diagnostics