BYD U014087
Communication with BCM failed
Quick answer
For the BYD ATTO 3 (2022–2026, Global), DTC U014087 means communication with the BCM has failed. The supplied evidence does not establish drivability, charging impact, urgency, symptoms, causes, or a repair procedure.
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 U014087 mean?
For the BYD ATTO 3 (2022–2026, Global), DTC U014087 means communication with the BCM has failed. The supplied evidence does not establish drivability, charging impact, urgency, symptoms, causes, or a repair procedure.
2. Technical explanation
U014087 is a Network diagnostic trouble code recorded as “Communication with BCM failed.” BCM commonly refers to the body control module, but the supplied evidence only verifies that communication with the BCM has failed; it does not identify the communicating module, network path, fault conditions, or root cause.
3. What system is affected?
Network
4. How serious is this code?
Unknown. Severity is not 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. Safe-to-drive status is not established by verified evidence.
8. Can I charge the vehicle?
Unknown. Safe-to-charge status is not established by verified evidence.
9. What you can safely do
- Do not attempt high-voltage system repair.
- Arrange diagnosis by a qualified BYD service provider if the code is present or warning messages occur.
10. Step-by-step troubleshooting
- Not yet established by verified evidence.
11. When to contact service
Service requirement is unknown in the supplied evidence. A qualified BYD service provider can diagnose the recorded communication fault.
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
- BYD ATTO 3 · 2022–2026 · 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 technical-manual evidence: OBDTotal technical manual index, “BYD ATTO 3 diagnostic evidence,” locator: ATTO 3 | ATTO 3 / Yuan Plus (SC2E) | U014087. It identifies U014087 as “Communication with BCM failed.”
- OBDTotal technical manual index: BYD ATTO 3 diagnostic evidence · technical_manual
19. Frequently asked questions
What does BYD code U014087 mean?
For the BYD ATTO 3, U014087 means “Communication with BCM failed.”
Which vehicles are covered by the supplied evidence?
BYD ATTO 3 vehicles for model years 2022 through 2026 in the Global region.
Can I drive with U014087?
Not yet established by verified evidence.
Can I charge with U014087?
Not yet established by verified evidence.
What causes U014087?
Not yet established by verified evidence.