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BYD U01F387

Display communication error

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService requirement has not yet been established by verified evidence. A qualified BYD service provider can diagnose a persistent U01F387 fault using vehicle-specific service information.
Confidence95%

Quick answer

BYD DTC U01F387 means “Display communication error.” Verified applicability is the 2024 BYD SEALION 7 (global).

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 U01F387 mean?

BYD DTC U01F387 means “Display communication error.” Verified applicability is the 2024 BYD SEALION 7 (global).

2. Technical explanation

The verified technical-manual evidence identifies U01F387 as a display communication error within the infotainment system. The supplied evidence does not identify the specific communicating modules, network path, fault conditions, or diagnostic thresholds involved.

3. What system is affected?

Infotainment; display communication.

4. How serious is this code?

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

5. Symptoms you may notice

  • A display-related communication error is indicated by stored DTC U01F387.
  • Any additional driver-visible symptoms have not yet been 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.

8. Can I charge the vehicle?

Not yet established by verified evidence.

9. What you can safely do

  • Record the DTC exactly as U01F387 and note any display behavior present when it occurs.
  • Arrange diagnosis by a qualified BYD service provider if the code persists or the display operation is affected.

10. Step-by-step troubleshooting

  1. The supplied verified evidence confirms the code meaning only. It does not provide an approved diagnostic procedure, connector checks, wiring checks, software actions, or component tests.
  2. Do not attempt high-voltage repair procedures based on this code; no high-voltage diagnostic or repair procedure is established by the supplied evidence.

11. When to contact service

Service requirement has not yet been established by verified evidence. A qualified BYD service provider can diagnose a persistent U01F387 fault using vehicle-specific service information.

12. What the service center may check

  • 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 source: 17VIN technical manual index, “BYD SEALION 7 diagnostic evidence,” locator: “SEALION 7 | Sealion 07 EV / 2024 | U01F387.” It identifies U01F387 as “Display communication error.”

19. Frequently asked questions

What does BYD code U01F387 mean?

Verified evidence identifies U01F387 as “Display communication error.”

Which vehicle is verified for U01F387?

Verified applicability is the 2024 BYD SEALION 7 for the global region.

Is it safe to drive or charge with U01F387?

Not yet established by verified evidence.

What repairs fix U01F387?

Not yet established by verified evidence.

20. Sources & verification

Verified
BYD U01F387: Display communication error | EV Diagnostics