Verified EV diagnostic knowledge page

Audi B200043

Control Module Faulty

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact an Audi dealer or qualified Audi service facility. Ask them to evaluate B200043 in HUD control module J898 and review the applicable Audi HUD software bulletin.
Confidence95%

Quick answer

For verified 2022 US Audi e-tron GT and RS e-tron GT applicability, DTC B200043 means “Control Module Faulty.” Audi’s cited technical service bulletins identify a software bug in the head-up display (HUD) as the technical background when this code is stored in HUD control module J898 (address word 0082).

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 B200043 mean?

For verified 2022 US Audi e-tron GT and RS e-tron GT applicability, DTC B200043 means “Control Module Faulty.” Audi’s cited technical service bulletins identify a software bug in the head-up display (HUD) as the technical background when this code is stored in HUD control module J898 (address word 0082).

2. Technical explanation

Audi documentation states that B200043 may be stored in the head-up display (HUD), J898, address word 0082. The documented technical background is a software bug in the HUD. Audi states that HUD software version 0101 was released in current series production.

3. What system is affected?

Head-up display (HUD), control module J898, address word 0082.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • No customer concerns; the code may be found during pre-delivery inspection (PDI) or other diagnostic work.
  • The head-up display (HUD) may not work.

6. Possible causes

  • Audi identifies a software bug in the HUD as the documented technical background.

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 with an Audi dealer or qualified service facility and provide DTC B200043 along with the applicable HUD bulletin information.
  • Do not perform high-voltage system work yourself.

10. Step-by-step troubleshooting

  1. Confirm whether B200043 is stored in the HUD control module J898 (address word 0082).
  2. Check the applicable Audi technical service bulletin for the vehicle’s eligibility and current service procedure.
  3. Audi documentation indicates that high-voltage battery charging must be prevented during the software update by removing the high-voltage cable before the update; this is a service procedure for qualified personnel, not a consumer repair instruction.

11. When to contact service

Contact an Audi dealer or qualified Audi service facility. Ask them to evaluate B200043 in HUD control module J898 and review the applicable Audi HUD software bulletin.

12. What the service center may check

  • Read diagnostic fault memory and confirm the control module in which B200043 is stored.
  • Verify whether the HUD is operating.
  • Determine the installed HUD software version and applicability of the Audi software update procedure.
  • For vehicles with high-voltage components, follow Audi’s documented charging-prevention requirement during the software update.

13. Possible repair or resolution

  • Audi’s documented production solution is HUD software version 0101.
  • The exact repair outcome for an individual vehicle is not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Audi Technical Service Bulletin / NHTSA Manufacturer Communication 10214765, dated June 10, 2022: identifies B200043 in connection with a HUD software bug and states that software 0101 was released in current series production. https://static.nhtsa.gov/odi/tsbs/2022/MC-10214765-0001.pdf
  • Audi Technical Service Bulletin / NHTSA Manufacturer Communication 10211735, dated May 11, 2022: documents B200043 stored in HUD J898 (address word 0082), possible inoperative HUD, and a HUD software bug. https://static.nhtsa.gov/odi/tsbs/2022/MC-10211735-0001.pdf
  • Audi Technical Service Bulletin / NHTSA Manufacturer Communication 10203690, dated November 17, 2021: documents B200043 stored in HUD J898 (address word 0082) and identifies a HUD software bug. https://static.nhtsa.gov/odi/tsbs/2021/MC-10203690-0001.pdf

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified applicability: 2022 Audi e-tron GT and 2022 Audi RS e-tron GT in the US. The supplied official evidence consists of Audi manufacturer communications published through NHTSA.

19. Frequently asked questions

What does Audi code B200043 mean?

The verified canonical meaning is “Control Module Faulty.” In the cited Audi HUD bulletins, it is documented in HUD control module J898, address word 0082.

Can B200043 occur with no visible problem?

Yes. Audi documentation states that there may be no customer concerns and that the code may be found during PDI or other diagnostic work.

Can B200043 be related to a nonworking HUD?

Yes. Audi documentation lists a HUD that is not working as a customer condition associated with this code.

What is the documented cause?

Audi identifies a software bug in the HUD as the technical background.

Is this code covered by a recall?

Not yet established by verified evidence.

20. Sources & verification

Verified
Audi B200043: Control Module Faulty | EV Diagnostics