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BYD P1A3622

Power battery cell voltage generally high

DriveUnknown. Whether the vehicle can be driven is not yet established by verified evidence.
ChargeUnknown. Whether the vehicle can be charged is not yet established by verified evidence.
ServiceService requirement is unknown in the supplied diagnostic record. Because P1A3622 concerns the HV battery, contact a qualified BYD EV service provider for diagnosis.
Confidence95%

Quick answer

BYD DTC P1A3622 means: “Power battery cell voltage generally high.” Verified applicability is BYD ATTO 3 model years 2022–2026 in the Global region.

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 P1A3622 mean?

BYD DTC P1A3622 means: “Power battery cell voltage generally high.” Verified applicability is BYD ATTO 3 model years 2022–2026 in the Global region.

2. Technical explanation

The verified diagnostic evidence identifies P1A3622 as an HV battery fault code with the meaning “Power battery cell voltage generally high.” The supplied evidence does not define a threshold, test conditions, fault logic, or the specific battery cell or component involved.

3. What system is affected?

High-voltage (HV) battery / power battery.

4. How serious is this code?

Unknown. Seriousness is not yet established by verified evidence.

5. Symptoms you may notice

Not yet established by verified evidence.

6. Possible causes

  • Not yet established by verified evidence.

7. Can I still drive the vehicle?

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

8. Can I charge the vehicle?

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

9. What you can safely do

  • Do not attempt high-voltage battery diagnosis, disassembly, or repair.
  • Arrange assessment by a qualified BYD EV service provider, as the code concerns the power battery.

10. Step-by-step troubleshooting

  1. Confirm the stored DTC using suitable diagnostic equipment.
  2. Further troubleshooting steps, measurements, and specifications are not yet established by verified evidence.

11. When to contact service

Service requirement is unknown in the supplied diagnostic record. Because P1A3622 concerns the HV battery, contact a qualified BYD EV service provider for diagnosis.

12. What the service center may check

  • Retrieve and confirm P1A3622 with diagnostic equipment.
  • Additional 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 bulletin information was supplied or verified for this code.

16. Recall information

  • No recall information was supplied or verified for this code.

17. Official manufacturer information

Verified source: OBDTotal technical manual index, “BYD ATTO 3 diagnostic evidence,” locator: “ATTO 3 | ATTO 3 / Yuan Plus (SC2E) | P1A3622.” The supplied source states: “Power battery cell voltage generally high.”

19. Frequently asked questions

What does BYD code P1A3622 mean?

It means “Power battery cell voltage generally high.”

Which vehicles are verified as applicable?

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

Can I drive or charge with P1A3622?

Driveability and charging suitability are not yet established by verified evidence.

What causes P1A3622?

The cause is not yet established by verified evidence.

20. Sources & verification

Verified
BYD P1A3622: Power battery cell voltage generally high | EV Diagnostics