Verified EV diagnostic knowledge page

BYD P268C00

DC charging port voltage abnormal

DriveUnknown. Whether the vehicle can be driven with P268C00 is not established by verified evidence.
ChargeUnknown. Whether DC charging can continue or should be attempted with P268C00 is not established by verified evidence.
ServiceService requirement is unknown in the supplied evidence. Because this code concerns the DC charging system, arrange assessment by qualified BYD service personnel or an appropriately trained EV technician.
Confidence95%

Quick answer

For BYD ATTO 3 model years 2022–2026 (Global), DTC P268C00 means “DC charging port voltage abnormal.”

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 P268C00 mean?

For BYD ATTO 3 model years 2022–2026 (Global), DTC P268C00 means “DC charging port voltage abnormal.”

2. Technical explanation

Verified evidence identifies P268C00 as a DC-charging-system diagnostic trouble code for abnormal voltage at the DC charging port. The supplied evidence does not establish the voltage threshold, operating conditions, fault-detection logic, or component-level cause.

3. What system is affected?

DC charging

4. How serious is this code?

Unknown. Severity is not established by the verified evidence.

5. Symptoms you may notice

  • A DC charging port voltage abnormal diagnostic code, P268C00, is stored.

6. Possible causes

  • Not yet established by verified evidence.

7. Can I still drive the vehicle?

Unknown. Whether the vehicle can be driven with P268C00 is not established by verified evidence.

8. Can I charge the vehicle?

Unknown. Whether DC charging can continue or should be attempted with P268C00 is not established by verified evidence.

9. What you can safely do

  • Do not attempt high-voltage diagnosis or repair yourself.
  • Have the vehicle assessed by qualified BYD service personnel or another appropriately trained EV technician.

10. Step-by-step troubleshooting

  1. Confirm the stored DTC is P268C00 using suitable diagnostic equipment.
  2. Use manufacturer-approved diagnostic information and procedures. Further diagnostic steps are not established by the supplied verified evidence.

11. When to contact service

Service requirement is unknown in the supplied evidence. Because this code concerns the DC charging system, arrange assessment by qualified BYD service personnel or an appropriately trained EV technician.

12. What the service center may check

  • Retrieve and confirm DTC P268C00.
  • Diagnose the DC charging system using manufacturer-approved procedures. Specific checks are not 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) / P268C00. The supplied evidence applies to BYD ATTO 3, model years 2022–2026, Global.

19. Frequently asked questions

What does BYD code P268C00 mean?

For the applicable BYD ATTO 3 vehicles, P268C00 means “DC charging port voltage abnormal.”

Which vehicles are covered by the supplied evidence?

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

What causes P268C00?

Not yet established by verified evidence.

Can I drive with P268C00?

Not yet established by verified evidence.

Can I DC charge with P268C00?

Not yet established by verified evidence.

20. Sources & verification

Verified
BYD P268C00: DC charging port voltage abnormal | EV Diagnostics