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BYD P1A6000

High-voltage interlock 1 fault

DriveUnknown. Whether the vehicle can be driven with P1A6000 is not yet established by verified evidence.
ChargeUnknown. Whether the vehicle can be charged with P1A6000 is not yet established by verified evidence.
ServiceService requirement is unknown in the supplied evidence. Because this is an HV-system diagnostic code, professional assessment is appropriate; do not perform high-voltage repair work yourself.
Confidence95%

Quick answer

P1A6000 on a BYD ATTO 3 is identified as “High-voltage interlock 1 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 P1A6000 mean?

P1A6000 on a BYD ATTO 3 is identified as “High-voltage interlock 1 fault.”

2. Technical explanation

Verified diagnostic evidence identifies DTC P1A6000 as a high-voltage interlock 1 fault. The supplied evidence does not further define the fault logic, affected components, enabling conditions, or diagnostic thresholds.

3. What system is affected?

HV system

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

  • A high-voltage interlock 1 fault is indicated by P1A6000.
  • Specific root causes are not yet established by verified evidence.

7. Can I still drive the vehicle?

Unknown. Whether the vehicle can be driven with P1A6000 is not yet established by verified evidence.

8. Can I charge the vehicle?

Unknown. Whether the vehicle can be charged with P1A6000 is not yet established by verified evidence.

9. What you can safely do

  • Do not attempt high-voltage system repairs or disassembly.
  • Arrange professional diagnosis if the code is present.

10. Step-by-step troubleshooting

  1. Verified evidence confirms the code meaning only. Detailed diagnostic steps are not yet established by verified evidence.

11. When to contact service

Service requirement is unknown in the supplied evidence. Because this is an HV-system diagnostic code, professional assessment is appropriate; do not perform high-voltage repair work yourself.

12. What the service center may check

  • Confirm P1A6000 is present 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

15. Related TSBs / service bulletins

  • No technical service bulletins were supplied in the verified evidence.

16. Recall information

  • No recalls were supplied in the verified evidence.

17. Official manufacturer information

Verified source: OBDTotal technical manual index, “BYD ATTO 3 diagnostic evidence,” locator: ATTO 3 / Yuan Plus (SC2E) / P1A6000. Applicability supplied: BYD ATTO 3, model years 2022–2026, Global.

19. Frequently asked questions

What does BYD code P1A6000 mean?

It means “High-voltage interlock 1 fault.”

Which vehicle is covered by the supplied evidence?

The supplied applicability evidence covers the BYD ATTO 3, model years 2022 through 2026, Global region.

Can I drive or charge with P1A6000?

This is not yet established by verified evidence.

20. Sources & verification

Verified
BYD P1A6000: High-voltage interlock 1 fault | EV Diagnostics