Verified EV diagnostic knowledge page

BYD B1CE500

Humidity sensor fault

DriveUnknown. Whether the vehicle is safe to drive has not yet been established by verified evidence.
ChargeUnknown. Whether the vehicle is safe to charge has not yet been established by verified evidence.
ServiceService requirement is unknown in the supplied evidence. If the code remains present, seek qualified BYD service diagnosis.
Confidence95%

Quick answer

B1CE500 is a BYD diagnostic trouble code for a humidity sensor fault.

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 B1CE500 mean?

B1CE500 is a BYD diagnostic trouble code for a humidity sensor fault.

2. Technical explanation

Verified evidence identifies B1CE500 as “Humidity sensor fault” in the Body sensor system. The supplied evidence does not establish the sensor’s exact location, fault-detection conditions, electrical cause, or functional effect.

3. What system is affected?

Body sensor system.

4. How serious is this code?

Unknown. Severity has not yet been established by verified evidence.

5. Symptoms you may notice

  • Not yet established by verified evidence.

6. Possible causes

  • A humidity sensor fault is indicated by the code definition.
  • The underlying electrical, wiring, connector, sensor, module, or environmental cause is not yet established by verified evidence.

7. Can I still drive the vehicle?

Unknown. Whether the vehicle is safe to drive has not yet been established by verified evidence.

8. Can I charge the vehicle?

Unknown. Whether the vehicle is safe to charge has not yet been established by verified evidence.

9. What you can safely do

  • Record the displayed code B1CE500 and any warning messages or operating changes.
  • Arrange diagnosis by a qualified BYD service provider or appropriately trained vehicle technician.
  • Do not attempt high-voltage system repairs based on this code.

10. Step-by-step troubleshooting

  1. Use suitable diagnostic equipment to confirm B1CE500 and check for accompanying codes. Further diagnostic procedure is not yet established by verified evidence.

11. When to contact service

Service requirement is unknown in the supplied evidence. If the code remains present, seek qualified BYD service diagnosis.

12. What the service center may check

  • Confirm the stored diagnostic code and review any accompanying diagnostic trouble codes.
  • Exact inspection steps, test values, sensor location, and repair criteria 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 B1CE500.

16. Recall information

  • No recall information was supplied or verified for B1CE500.

17. Official manufacturer information

Verified source: 17VIN technical manual index, “BYD SEALION 7 diagnostic evidence,” locator: “SEALION 7 | Sealion 07 EV / 2024 | B1CE500.” The evidence identifies the code as “Humidity sensor fault.”

19. Frequently asked questions

What does BYD code B1CE500 mean?

It means “Humidity sensor fault.”

Which vehicle is B1CE500 verified for?

The supplied applicability evidence verifies BYD SEALION 7, model year 2024, Global region.

Can I drive with B1CE500?

Not yet established by verified evidence.

Can I charge with B1CE500?

Not yet established by verified evidence.

20. Sources & verification

Verified
BYD B1CE500: Humidity sensor fault | EV Diagnostics