BYD U030387
Terminal/power or energy network communication fault
Quick answer
For the 2024 BYD SEALION 7 (global), DTC U030387 is identified as a terminal/power or energy network communication 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 U030387 mean?
For the 2024 BYD SEALION 7 (global), DTC U030387 is identified as a terminal/power or energy network communication fault.
2. Technical explanation
Verified diagnostic evidence identifies U030387 as a communication fault involving the terminal, power, or energy network. The supplied evidence does not identify the specific control module, network branch, communication protocol, failure conditions, or diagnostic procedure.
3. What system is affected?
Network
4. How serious is this code?
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?
Not yet established by verified evidence.
8. Can I charge the vehicle?
Not yet established by verified evidence.
9. What you can safely do
- Arrange diagnosis by a qualified BYD service provider or appropriately trained EV technician.
10. Step-by-step troubleshooting
- Use appropriate diagnostic equipment to confirm U030387 and assess the vehicle according to manufacturer procedures. Specific test steps are not established by the verified evidence supplied.
11. When to contact service
Service requirement is not yet established by verified evidence. However, because this is a network communication fault, qualified diagnostic assessment is appropriate.
12. What the service center may check
- Confirm the presence and status of DTC U030387 with suitable 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
- BYD SEALION 7 · 2024 · GLOBAL
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 | U030387.” The source identifies the fault as “Terminal/power or energy network communication fault.”
- 17VIN technical manual index: BYD SEALION 7 diagnostic evidence · technical_manual
19. Frequently asked questions
What does BYD code U030387 mean?
For the 2024 BYD SEALION 7, verified evidence identifies U030387 as a terminal/power or energy network communication fault.
Can I drive with U030387?
Not yet established by verified evidence.
Can I charge with U030387?
Not yet established by verified evidence.
What repair fixes U030387?
Not yet established by verified evidence. The supplied source does not provide a repair procedure or confirmed root cause.