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Audi U110300

 110 up to 48 Months/50,000 Miles.  G10

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact an Audi service provider for ODIS Guided Functions diagnosis of telematics control module J949 if this DTC is stored or the documented Bluetooth/MMI symptoms are present.
Confidence95%

Quick answer

For specified 2021–2022 US Audi models, DTC U110300 is identified in Audi service communications as “Production mode active” in the telematics control module J949 (address word 0075). Audi directs technicians to run the control-module replacement test plan through ODIS Guided Functions, without replacing the module.

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 U110300 mean?

For specified 2021–2022 US Audi models, DTC U110300 is identified in Audi service communications as “Production mode active” in the telematics control module J949 (address word 0075). Audi directs technicians to run the control-module replacement test plan through ODIS Guided Functions, without replacing the module.

2. Technical explanation

Verified Audi communications submitted to NHTSA state that U110300 may be stored in telematics control module J949, address word 0075, with the description “Production mode active.” The supplied evidence does not establish a broader diagnostic meaning beyond this module and description.

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

  • Bluetooth connection between a phone and the vehicle may not be possible.
  • The MMI may display: “The selected system is currently not available.”

6. Possible causes

  • The verified communications identify U110300 as “Production mode active.”
  • No underlying cause beyond that description is established by the supplied 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

  • Record any MMI message and whether Bluetooth pairing or connection fails.
  • Arrange Audi service diagnosis if U110300 is present or the documented infotainment/telematics symptoms occur.
  • Do not attempt telematics control-module replacement based solely on this code.

10. Step-by-step troubleshooting

  1. Audi’s documented service direction is to perform the control module replacement test plan for telematics control module J949, address word 0075, using ODIS Guided Functions.
  2. The communication specifically directs this test plan to be performed without replacing the control module.

11. When to contact service

Contact an Audi service provider for ODIS Guided Functions diagnosis of telematics control module J949 if this DTC is stored or the documented Bluetooth/MMI symptoms are present.

12. What the service center may check

  • Check for U110300 in telematics control module J949, address word 0075.
  • Perform the telematics control-module replacement test plan through ODIS Guided Functions.
  • Follow the documented instruction not to replace the control module as part of this directed test-plan procedure.

13. Possible repair or resolution

  • The verified communications specify an ODIS Guided Functions control-module replacement test plan without replacing telematics control module J949.
  • A final repair outcome is not established by the supplied verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Audi manufacturer communication A9122822064818_2, published March 3, 2022; NHTSA document MC-10208906-0001. It documents U110300 in J949 and directs the ODIS Guided Functions test plan without module replacement.
  • Audi manufacturer communication A9121412064818_1, published October 13, 2021; NHTSA document MC-10202626-0001. It documents U110300 in J949 and directs the ODIS Guided Functions test plan without module replacement.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Official NHTSA-hosted manufacturer communications: https://static.nhtsa.gov/odi/tsbs/2022/MC-10208906-0001.pdf and https://static.nhtsa.gov/odi/tsbs/2021/MC-10202626-0001.pdf

19. Frequently asked questions

What does Audi U110300 mean?

In the supplied Audi service communications, U110300 is described as “Production mode active” and may be stored in telematics control module J949, address word 0075.

What problems can occur with U110300?

The documented customer concerns are inability to establish a Bluetooth connection between a phone and vehicle, and an MMI message stating, “The selected system is currently not available.”

Should the telematics module be replaced?

The documented Audi service instruction is to perform the control-module replacement test plan via ODIS Guided Functions without replacing the telematics control module.

Which vehicles are covered by the supplied applicability data?

The supplied data lists US 2021–2022 Audi A7, A8, Q5, RS e-tron GT, e-tron, and e-tron GT models.

Is it safe to drive or charge with U110300?

Not yet established by verified evidence.

20. Sources & verification

Verified
Audi U110300:  110 up to 48 Months/50,000 Miles.  G10 | EV Diagnostics