Verified EV diagnostic knowledge page

BYD C050300

Left front wheel speed sensor signal short to supply

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService requirement is not yet established by verified evidence. However, qualified diagnosis is appropriate because the code concerns the Brake/IPB system and the left front wheel speed sensor signal circuit.
Confidence95%

Quick answer

DTC C050300 on a BYD ATTO 3 indicates: Left front wheel speed sensor signal short to supply.

This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.

Video guides

Watch Videos

Relevant videos play here without leaving this diagnostic page.

No sufficiently relevant embeddable video has been accepted for this diagnostic yet.

Videos are supporting material and never override OEM or regulator evidence.

1. What does C050300 mean?

DTC C050300 on a BYD ATTO 3 indicates: Left front wheel speed sensor signal short to supply.

2. Technical explanation

Verified technical-manual evidence identifies C050300 as a left front wheel speed sensor signal short to supply. The diagnostic is in the Brake/IPB system.

3. What system is affected?

Brake/IPB; specifically, the left front wheel speed sensor signal circuit.

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

  • Verified diagnostic meaning: left front wheel speed sensor signal short to supply.

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 technician.
  • Do not attempt high-voltage repairs based on this code; no high-voltage repair procedure is established by the supplied evidence.

10. Step-by-step troubleshooting

  1. Confirm the stored DTC is C050300 using suitable diagnostic equipment.
  2. Use the applicable BYD ATTO 3 technical diagnostic information to evaluate the left front wheel speed sensor signal circuit. Further test steps are not established by the supplied verified evidence.

11. When to contact service

Service requirement is not yet established by verified evidence. However, qualified diagnosis is appropriate because the code concerns the Brake/IPB system and the left front wheel speed sensor signal circuit.

12. What the service center may check

  • Retrieve and confirm C050300.
  • Diagnose the left front wheel speed sensor signal circuit using applicable BYD technical information. Specific inspection, measurement, and repair procedures are not established by the supplied 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 evidence is from the OBDTotal technical manual index: “BYD ATTO 3 diagnostic evidence,” locator “ATTO 3 | ATTO 3 / Yuan Plus (SC2E) | C050300.” It identifies C050300 as “Left front wheel speed sensor signal short to supply.”

19. Frequently asked questions

What does BYD code C050300 mean?

It means the left front wheel speed sensor signal has a short to supply.

Which vehicles does this evidence apply to?

Verified applicability is BYD ATTO 3, model years 2022 through 2026, Global region.

Is it safe to drive with C050300?

Not yet established by verified evidence.

Can the vehicle be charged with C050300 present?

Not yet established by verified evidence.

20. Sources & verification

Verified
BYD C050300: Left front wheel speed sensor signal short to supply | EV Diagnostics