Verified EV diagnostic knowledge page

BYD U0127-00

Lost communication with tire pressure module

Common search variants: U012700 · U0127 00 · U0127_00 · Search ignores case and common separators.

DriveUnknown. Whether the vehicle can be driven is not established by verified evidence.
ChargeUnknown. Whether the vehicle can be charged is not established by verified evidence.
ServiceService requirement is unknown in the supplied evidence. Seek qualified service diagnosis if the code is present or returns after clearing.
Confidence95%

Quick answer

BYD DTC U0127-00 means: Lost communication with tire pressure module.

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 U0127-00 mean?

BYD DTC U0127-00 means: Lost communication with tire pressure module.

2. Technical explanation

Verified diagnostic evidence identifies U0127-00 as a Network/TPMS fault meaning the vehicle has lost communication with the tire pressure module. The supplied evidence does not establish the underlying failure mechanism, affected functions, or a specific repair.

3. What system is affected?

Network/TPMS (tire pressure monitoring system communication).

4. How serious is this code?

Unknown. Severity is not established by the verified evidence.

5. Symptoms you may notice

  • A U0127-00 diagnostic trouble code may be stored.
  • No additional symptoms are 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 established by verified evidence.

8. Can I charge the vehicle?

Unknown. Whether the vehicle can be charged is not established by verified evidence.

9. What you can safely do

  • Record the exact code: U0127-00.
  • Arrange diagnosis by a qualified BYD service provider or appropriately trained automotive technician.
  • Do not attempt high-voltage system repair procedures based on this code.

10. Step-by-step troubleshooting

  1. Verified evidence establishes only the code meaning. Specific troubleshooting steps are not yet established by verified evidence.

11. When to contact service

Service requirement is unknown in the supplied evidence. Seek qualified service diagnosis if the code is present or returns after clearing.

12. What the service center may check

  • Confirm the presence of DTC U0127-00 using 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 e6 · 2011–2020 · GLOBAL

15. Related TSBs / service bulletins

  • No technical service bulletins are established by the supplied verified evidence.

16. Recall information

  • No recalls are established by the supplied verified evidence.

17. Official manufacturer information

The supplied source is an indexed technical document titled “BYD e6 diagnostic evidence,” identified as technical-manual evidence. It associates U0127-00 with “Lost communication with tire pressure module.”

19. Frequently asked questions

What does BYD U0127-00 mean?

It means “Lost communication with tire pressure module.”

Which vehicles does the supplied evidence cover?

The supplied applicability evidence covers the BYD e6, model years 2011 through 2020, Global region.

Does U0127-00 confirm a failed tire pressure module?

No. The verified evidence confirms lost communication but does not establish a failed component or root cause.

Is it safe to drive or charge with U0127-00?

This is not yet established by verified evidence.

20. Sources & verification

Verified
BYD U0127-00: Lost communication with tire pressure module | EV Diagnostics