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BYD P268600

High-voltage interlock fault

DriveUnknown. The supplied verified evidence does not establish whether the vehicle is safe to drive with P268600 present.
ChargeUnknown. The supplied verified evidence does not establish whether the vehicle is safe to charge with P268600 present.
ServiceService requirement is unknown in the supplied evidence. Because this code concerns the high-voltage system, professional diagnosis is appropriate; no high-voltage repair procedure is provided here.
Confidence95%

Quick answer

For the BYD ATTO 3 (2022–2026, Global), DTC P268600 is identified as a high-voltage interlock 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 P268600 mean?

For the BYD ATTO 3 (2022–2026, Global), DTC P268600 is identified as a high-voltage interlock fault.

2. Technical explanation

Verified diagnostic evidence identifies P268600 as “High-voltage interlock fault” in the HV system. The supplied evidence does not further define the fault conditions, component location, enabling conditions, or diagnostic procedure.

3. What system is affected?

High-voltage (HV) system.

4. How serious is this code?

Unknown. The supplied verified evidence does not assign a severity level.

5. Symptoms you may notice

  • Not yet established by verified evidence.

6. Possible causes

  • A high-voltage interlock fault is identified by the diagnostic code. Specific underlying causes are not yet established by verified evidence.

7. Can I still drive the vehicle?

Unknown. The supplied verified evidence does not establish whether the vehicle is safe to drive with P268600 present.

8. Can I charge the vehicle?

Unknown. The supplied verified evidence does not establish whether the vehicle is safe to charge with P268600 present.

9. What you can safely do

  • Do not attempt high-voltage system repairs unless performed by appropriately qualified service personnel.
  • Record the diagnostic code P268600 and arrange professional diagnosis.

10. Step-by-step troubleshooting

  1. Verified evidence does not provide a troubleshooting procedure for P268600.
  2. A qualified technician should use applicable BYD diagnostic information to determine the specific interlock fault condition.

11. When to contact service

Service requirement is unknown in the supplied evidence. Because this code concerns the high-voltage system, professional diagnosis is appropriate; no high-voltage repair procedure is provided here.

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

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: OBDTotal technical manual index, “BYD ATTO 3 diagnostic evidence,” locator: ATTO 3 / Yuan Plus (SC2E) / P268600. This evidence identifies P268600 as a high-voltage interlock fault for the BYD ATTO 3.

19. Frequently asked questions

What does BYD code P268600 mean?

For the BYD ATTO 3, P268600 means high-voltage interlock fault.

Which vehicle is verified as applicable?

The supplied evidence applies P268600 to the BYD ATTO 3 for model years 2022 through 2026 in the Global region.

Can I drive or charge with P268600?

Not yet established by verified evidence.

What repair fixes P268600?

Not yet established by verified evidence.

20. Sources & verification

Verified
BYD P268600: High-voltage interlock fault | EV Diagnostics