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Audi P1A1500

Charging unit 2 Function restriction

DriveUnknown. The supplied verified evidence does not state whether it is safe to drive with P1A1500.
ChargeUnknown. Verified evidence describes a scenario in which charging can temporarily suspend following interrupted communication between certain DC chargers and the vehicle, but it does not establish charging capability or safety for every P1A1500 occurrence.
ServiceContact an Audi dealer or qualified EV service provider for diagnosis, particularly if charging repeatedly suspends or the code returns.
Confidence95%

Quick answer

Audi DTC P1A1500 means “Charging unit 2 Function restriction.” Verified evidence lists it in Audi charging-related manufacturer communications.

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 P1A1500 mean?

Audi DTC P1A1500 means “Charging unit 2 Function restriction.” Verified evidence lists it in Audi charging-related manufacturer communications.

2. Technical explanation

P1A1500 is an Audi DTC with the verified designation “Charging unit 2 Function restriction.” It is listed in NHTSA-hosted Audi manufacturer communications, including documents concerning charging-system diagnostic entries and DC-charging communication interruptions. The supplied evidence does not establish the exact failed component, an individual root cause, or a universal repair for this code.

3. What system is affected?

Charging unit 2 / vehicle charging system. A specific module or component relationship is not yet established by verified evidence.

4. How serious is this code?

Unknown. The supplied verified evidence does not assign a severity level to P1A1500.

5. Symptoms you may notice

  • Charging may temporarily suspend in the specific DC-charging communication-interruption scenario described in an Audi manufacturer communication.
  • Other symptoms are not yet established by verified evidence.

6. Possible causes

  • One Audi manufacturer communication states that certain DC chargers can have communication between the charger and vehicle interrupted, causing charging to temporarily suspend; P1A1500 is included among the DTCs listed in that communication.
  • Whether that condition is the cause of P1A1500 in every vehicle is not yet established by verified evidence.
  • Other causes are not yet established by verified evidence.

7. Can I still drive the vehicle?

Unknown. The supplied verified evidence does not state whether it is safe to drive with P1A1500.

8. Can I charge the vehicle?

Unknown. Verified evidence describes a scenario in which charging can temporarily suspend following interrupted communication between certain DC chargers and the vehicle, but it does not establish charging capability or safety for every P1A1500 occurrence.

9. What you can safely do

  • Record the DTC and the charging circumstances, including whether the event occurred during DC charging.
  • Arrange diagnosis by an Audi dealer or qualified EV service provider.
  • Do not attempt high-voltage system repairs yourself.

10. Step-by-step troubleshooting

  1. Have a qualified service provider retrieve the complete diagnostic fault memory and assess P1A1500 in the context of any accompanying DTCs.
  2. If the event occurred during DC charging, document the charging station involved and whether charging temporarily suspended. The supplied evidence identifies interrupted charger-to-vehicle communication at certain DC chargers as a documented scenario.
  3. Further diagnostic steps are not yet established by verified evidence.

11. When to contact service

Contact an Audi dealer or qualified EV service provider for diagnosis, particularly if charging repeatedly suspends or the code returns.

12. What the service center may check

  • Retrieve the complete vehicle fault memory, including accompanying charging-related DTCs.
  • Assess the charging event and DC charger/vehicle communication context where applicable.
  • Specific test procedures, component inspections, and repair criteria are not yet established by verified evidence.

13. Possible repair or resolution

  • No universal repair resolution is established by the supplied verified evidence.
  • Audi manufacturer communications document P1A1500 in charging-related diagnostic contexts, including a DC-charging communication-interruption scenario.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication 10189601 (Audi document A9321452061788_2), published March 29, 2021: lists P1A1500 and states that certain DC chargers can have interrupted charger-to-vehicle communication, temporarily suspending charging.
  • NHTSA Manufacturer Communication 10191572 (Audi document A9321472061788_3), published April 30, 2021: lists P1A1500 among charging-related DTCs.
  • NHTSA Manufacturer Communication 10186996 (Audi document A9321422061788_1), published February 5, 2021: lists P1A1500 among charging-related DTCs.
  • NHTSA Manufacturer Communication 10189600 (Audi document A9321442062631_1), published March 29, 2021: lists P1A1500 in diagnostic address 00C6, battery charger control module J1050.
  • NHTSA Manufacturer Communication 10217914 (Audi document A9322802062631_3), published August 16, 2022: lists P1A1500 in diagnostic address 00C6, J1050, with designation “Charging unit 2 function restriction.”

16. Recall information

  • No recall information was supplied or established by verified evidence.

17. Official manufacturer information

Official NHTSA-hosted Audi manufacturer communications: https://static.nhtsa.gov/odi/tsbs/2022/MC-10217914-0001.pdf ; https://static.nhtsa.gov/odi/tsbs/2021/MC-10191572-0001.pdf ; https://static.nhtsa.gov/odi/tsbs/2021/MC-10189600-0001.pdf ; https://static.nhtsa.gov/odi/tsbs/2021/MC-10189601-0001.pdf ; https://static.nhtsa.gov/odi/tsbs/2021/MC-10186996-0001.pdf

19. Frequently asked questions

What does Audi P1A1500 mean?

It means “Charging unit 2 Function restriction.”

Can interrupted DC-charger communication be related to P1A1500?

An Audi manufacturer communication lists P1A1500 among DTCs in a scenario where certain DC chargers can have interrupted communication with the vehicle and charging may temporarily suspend. It does not establish that this is the cause in every case.

Is it safe to drive with P1A1500?

Not yet established by verified evidence.

Does P1A1500 identify a specific failed part?

Not yet established by verified evidence.

20. Sources & verification

Verified
Audi P1A1500: Charging unit 2 Function restriction | EV Diagnostics