Verified EV diagnostic knowledge page

BYD C11A006

EPB actuator overloaded

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService requirement is listed as unknown in the supplied diagnostic record. Qualified assessment is appropriate because the code concerns the electronic parking brake system.
Confidence95%

Quick answer

DTC C11A006 on the BYD ATTO 3 means: EPB actuator overloaded.

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 C11A006 mean?

DTC C11A006 on the BYD ATTO 3 means: EPB actuator overloaded.

2. Technical explanation

Verified diagnostic evidence identifies C11A006 as “EPB actuator overloaded.” EPB refers to the electronic parking brake system. The supplied evidence does not further define the overload condition, triggering criteria, or diagnostic procedure.

3. What system is affected?

Electronic Parking Brake (EPB).

4. How serious is this code?

Unknown. Severity is not yet established by verified evidence.

5. Symptoms you may notice

  • Not yet established by verified evidence.

6. Possible causes

  • The verified evidence establishes only that the EPB actuator is reported as overloaded. The underlying cause is 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 qualified service assessment of the EPB system.
  • Do not attempt high-voltage repairs; no high-voltage repair procedure is supported by the supplied evidence.

10. Step-by-step troubleshooting

  1. Confirm the stored DTC using suitable diagnostic equipment.
  2. Refer the vehicle to a qualified BYD service provider or other appropriately trained technician for diagnosis. Further troubleshooting steps are not yet established by verified evidence.

11. When to contact service

Service requirement is listed as unknown in the supplied diagnostic record. Qualified assessment is appropriate because the code concerns the electronic parking brake system.

12. What the service center may check

  • Retrieve and document C11A006 with diagnostic equipment.
  • Assess the EPB system using the manufacturer-approved diagnostic information. Specific inspection or test steps are 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

  • No technical service bulletins were supplied as verified evidence.

16. Recall information

  • No recalls were supplied as verified evidence.

17. Official manufacturer information

Verified source: OBDTotal technical manual index, “BYD ATTO 3 diagnostic evidence,” locator: ATTO 3 / Yuan Plus (SC2E) / C11A006. The evidence maps C11A006 to “EPB actuator overloaded.”

19. Frequently asked questions

What does BYD code C11A006 mean?

It means “EPB actuator overloaded.”

Which system is affected by C11A006?

The electronic parking brake (EPB) system.

Can I drive with C11A006?

Not yet established by verified evidence.

Can I charge the vehicle with C11A006?

Not yet established by verified evidence.

What causes C11A006?

The underlying cause is not yet established by verified evidence.

20. Sources & verification

Verified
BYD C11A006: EPB actuator overloaded | EV Diagnostics