Verified EV diagnostic knowledge page

Audi B194B13

open circuit 3211295 B200000 Control module faulty 1049088 P0CA400 Hybrid/High voltage battery load voltage too high 14745862 P1A1500 Charging unit 2 function restriction 14746766

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact an Audi-qualified service facility for diagnosis, particularly if charging-related concerns are present. The evidence does not establish whether the DTC alone affects driving or charging.
Confidence95%

Quick answer

For 2021–2022 US Audi e-tron vehicles, DTC B194B13 may be stored in the high-voltage battery charger control module J1050 (address 00C6) with symptom code 3211295. The verified NHTSA manufacturer communication states it may be found during PDI or other diagnostic work with no customer concerns.

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 B194B13 mean?

For 2021–2022 US Audi e-tron vehicles, DTC B194B13 may be stored in the high-voltage battery charger control module J1050 (address 00C6) with symptom code 3211295. The verified NHTSA manufacturer communication states it may be found during PDI or other diagnostic work with no customer concerns.

2. Technical explanation

Verified evidence identifies B194B13 as “Charge flap 2 search illumination – open circuit” with symptom code 3211295. It is listed among DTCs that may be stored in high-voltage battery charger control module J1050, diagnostic address 00C6. The supplied evidence does not establish a specific failed part, wiring fault location, diagnostic procedure, or repair for this individual DTC.

3. What system is affected?

High-voltage battery charger control module J1050, address 00C6; charge flap 2 search illumination circuit.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • The NHTSA manufacturer communication states that there may be no customer concerns and that the DTC can be found during PDI or other diagnostic work.

6. Possible causes

  • An open circuit is identified in the verified DTC designation for charge flap 2 search illumination.
  • A more specific root cause is not yet established by verified evidence.

7. Can I still drive the vehicle?

Not yet established by verified evidence.

8. Can I charge the vehicle?

Not yet established by verified evidence.

9. What you can safely do

  • Do not attempt high-voltage diagnosis or repair yourself.
  • Have the stored DTC assessed by an Audi-qualified service facility if it is present.

10. Step-by-step troubleshooting

  1. Confirm the DTC is stored in high-voltage battery charger control module J1050 at address 00C6.
  2. Use applicable Audi service information for vehicle-specific diagnosis. The supplied verified evidence does not provide the diagnostic steps.

11. When to contact service

Contact an Audi-qualified service facility for diagnosis, particularly if charging-related concerns are present. The evidence does not establish whether the DTC alone affects driving or charging.

12. What the service center may check

  • Check for B194B13 with symptom code 3211295 in control module J1050, address 00C6.
  • Review applicable Audi diagnostic guidance. Further required checks are not established by the supplied verified evidence.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication PDF 10189600, A9321442062631_1, published March 29, 2021. It lists B194B13 with symptom code 3211295 in J1050/address 00C6 and states that the listed DTCs may be found during PDI or other diagnostic work with no customer concerns. The supplied excerpt does not establish a repair procedure for B194B13.

16. Recall information

  • No recall information is established by the supplied verified evidence.

17. Official manufacturer information

Verified source: NHTSA Manufacturer Communication PDF 10189600: A9321442062631_1, https://static.nhtsa.gov/odi/tsbs/2021/MC-10189600-0001.pdf

19. Frequently asked questions

What does Audi DTC B194B13 mean?

The verified communication identifies it as “Charge flap 2 search illumination – open circuit,” with symptom code 3211295.

Which vehicles are covered by the supplied applicability evidence?

Audi e-tron, model years 2021–2022, US region.

Can B194B13 be present without a customer complaint?

Yes. The verified NHTSA manufacturer communication says the listed DTCs may be found during PDI or other diagnostic work with no customer concerns.

Does B194B13 prove a particular component must be replaced?

No. A specific failed component or repair is not established by the supplied verified evidence.

20. Sources & verification

Verified
Audi B194B13: open circuit 3211295 B200000 Control module faulty… | EV Diagnostics