Verified EV diagnostic knowledge page

Audi B200000

Ctrl. Module Faulty

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceAudi service support is appropriate because the verified documentation concerns diagnosis in the telematics control module. Service urgency is not established by verified evidence.
Confidence95%

Quick answer

Audi DTC B200000 means “Ctrl. Module Faulty.” For the verified 2021 US Audi A7, A8, Q5, and e-tron applications, Audi documentation identifies it in telematics control module J949 (address 0075) with symptom code 131096. Audi states it can be stored erroneously when transport mode is removed.

This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.

Video guides

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Videos are supporting material and never override OEM or regulator evidence.

1. What does B200000 mean?

Audi DTC B200000 means “Ctrl. Module Faulty.” For the verified 2021 US Audi A7, A8, Q5, and e-tron applications, Audi documentation identifies it in telematics control module J949 (address 0075) with symptom code 131096. Audi states it can be stored erroneously when transport mode is removed.

2. Technical explanation

Audi’s documented scenario associates B200000 with telematics control module J949, address word 0075, and symptom code 131096. The official Audi communication says this DTC can be entered erroneously during removal of transport mode. The supplied evidence does not establish that every occurrence indicates a failed control module or that transport-mode removal is the cause in every vehicle.

3. What system is affected?

Telematics control module J949 (address word 0075).

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • An SOS malfunction warning displayed in the instrument cluster.

6. Possible causes

  • Audi states B200000 with symptom code 131096 can be entered erroneously when transport mode is removed.
  • Other causes are 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

  • Arrange diagnosis by an Audi service provider if the SOS malfunction warning is present.
  • Provide the stored DTC, symptom code, vehicle identification details, and the Audi communication reference to the service provider.

10. Step-by-step troubleshooting

  1. Confirm whether B200000 is stored in telematics control module J949, address word 0075.
  2. Confirm whether symptom code 131096 is associated with the DTC.
  3. Determine whether the DTC was recorded in connection with transport-mode removal.
  4. Further diagnostic or repair steps are not established by the supplied verified evidence.

11. When to contact service

Audi service support is appropriate because the verified documentation concerns diagnosis in the telematics control module. Service urgency is not established by verified evidence.

12. What the service center may check

  • Scan telematics control module J949 at address word 0075 for B200000.
  • Verify the associated symptom code; Audi’s communication identifies symptom code 131096 for B200000.
  • Review whether transport mode was removed before the DTC was stored.

13. Possible repair or resolution

  • The supplied evidence establishes that the DTC may be entered erroneously during transport-mode removal.
  • A specific repair, software action, clearing procedure, or part replacement is not established by the supplied verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Audi manufacturer communication A9121122059528_3, published July 8, 2021, available through NHTSA as MC-10199216-0001. It identifies B200000 / symptom code 131096 in J949 and describes the SOS malfunction warning scenario.
  • Audi manufacturer communication A9120252059528_2, published October 27, 2020, available through NHTSA as MC-10182070-0001. It states the DTC can be entered erroneously when transport mode is removed.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified official sources: NHTSA-hosted Audi manufacturer communications MC-10199216-0001 and MC-10182070-0001.

19. Frequently asked questions

What does Audi B200000 mean?

It means “Ctrl. Module Faulty.”

Where does Audi document this code?

The supplied Audi communications identify it in telematics control module J949, address word 0075, with symptom code 131096.

Can B200000 be stored incorrectly?

Yes. Audi states that B200000 can be entered erroneously when transport mode is removed.

Does B200000 prove that the control module has failed?

No. The supplied evidence documents an erroneous-entry scenario and does not establish that every stored occurrence represents a failed module.

Which vehicles are verified as applicable?

US-market 2021 Audi A7, A8, Q5, and e-tron vehicles are listed in the supplied applicability evidence.

20. Sources & verification

Verified
Audi B200000: Ctrl. Module Faulty | EV Diagnostics