Verified EV diagnostic knowledge page

Aion P16A373

P16A373

DriveUnknown. Not yet established by verified evidence.
ChargeUnknown. Not yet established by verified evidence.
ServiceService need is unknown in the supplied diagnostic record. Because the code is categorized under BMS / traction battery and no OEM diagnostic procedure is available in the verified evidence, professional assessment is appropriate.
Confidence85%

Quick answer

P16A373 is a verified DTC listing for certain Aion vehicles. Its OEM definition, severity, driving status, charging status, symptoms, causes, and repair procedure are not yet established by verified evidence.

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 P16A373 mean?

P16A373 is a verified DTC listing for certain Aion vehicles. Its OEM definition, severity, driving status, charging status, symptoms, causes, and repair procedure are not yet established by verified evidence.

2. Technical explanation

Verified technical-manual indexes list DTC P16A373 for the applicable Aion vehicles. The supplied evidence does not provide the full OEM fault description because that information is gated or not public. Although the diagnostic record categorizes the system as BMS / traction battery, no further functional interpretation of the code is established by the verified evidence.

3. What system is affected?

BMS / traction battery.

4. How serious is this code?

Unknown. 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. Not yet established by verified evidence.

8. Can I charge the vehicle?

Unknown. Not yet established by verified evidence.

9. What you can safely do

  • Do not attempt high-voltage battery or BMS repair based on this code alone.
  • Have the vehicle assessed using appropriate Aion diagnostic information and equipment.

10. Step-by-step troubleshooting

  1. Confirm that P16A373 is present with a compatible diagnostic tool.
  2. Record all stored diagnostic information before clearing codes.
  3. Further diagnostic steps are not yet established by verified evidence.

11. When to contact service

Service need is unknown in the supplied diagnostic record. Because the code is categorized under BMS / traction battery and no OEM diagnostic procedure is available in the verified evidence, professional assessment is appropriate.

12. What the service center may check

  • Confirm the presence of DTC P16A373.
  • Use the applicable Aion OEM diagnostic information to obtain the gated full DTC definition and diagnostic procedure.
  • No additional service checks are 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 listings identify P16A373 in technical-manual indexes for Aion AION RT (2024), AION S MAX (2023), AION UT (2025), AION V (2024), and AION Y (2023–2024), Global region. The full OEM description is not publicly available in the supplied evidence.

19. Frequently asked questions

What does Aion code P16A373 mean?

The full OEM meaning is not yet established by verified evidence. Verified manual indexes identify it as a DTC listing for specified Aion vehicles.

Is P16A373 related to the traction battery?

The supplied diagnostic record categorizes the code under BMS / traction battery. A more specific subsystem or fault interpretation is not yet established by verified evidence.

Can I drive or charge with P16A373?

Driving and charging status are unknown; neither is established by verified evidence.

Which vehicles are verified to list P16A373?

Aion AION S MAX 2023, AION RT 2024, AION UT 2025, AION V 2024, and AION Y 2023–2024 in the Global region.

20. Sources & verification

Verified
Aion P16A373: P16A373 | EV Diagnostics