Audi C103407
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Quick answer
For U.S. 2021–2022 Audi A7 vehicles, DTC C103407 is identified in the supplied official Audi/NHTSA communication as: “Left front level control system sensor mechanical malfunction.” The communication asks technicians to contact Audi Technical Assistance Center (TAC) before replacing parts.
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 C103407 mean?
For U.S. 2021–2022 Audi A7 vehicles, DTC C103407 is identified in the supplied official Audi/NHTSA communication as: “Left front level control system sensor mechanical malfunction.” The communication asks technicians to contact Audi Technical Assistance Center (TAC) before replacing parts.
2. Technical explanation
Verified evidence places this DTC in the suspension control module J775 (address word 0074). It may be logged when the customer reports a suspension malfunction warning message in the instrument cluster. The supplied diagnostic record title/meaning contains conflicting text, but the official manufacturer communication specifically identifies C103407 as a left-front level control system sensor mechanical malfunction.
3. What system is affected?
Suspension control module J775 (address word 0074); left-front level control system sensor.
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
- A suspension malfunction warning message in the instrument cluster may be reported.
6. Possible causes
- The official communication identifies a left-front level control system sensor mechanical malfunction. Further 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
- Arrange diagnostic assessment by an Audi-qualified service facility.
- Do not authorize parts replacement solely from this code without following the manufacturer communication.
10. Step-by-step troubleshooting
- Check whether C103407 is stored in suspension control module J775 (address word 0074).
- Follow Audi’s instruction to contact Audi Technical Assistance Center (TAC) before replacing any parts.
11. When to contact service
Contact an Audi service facility. The official communication specifically directs technicians to contact Audi TAC before parts replacement.
12. What the service center may check
- Confirm the DTC in suspension control module J775 (address word 0074).
- Contact Audi Technical Assistance Center (TAC) before replacing parts, as directed by the official communication.
13. Possible repair or resolution
- Not yet established by verified evidence. The supplied official communication does not specify a repair; it instructs technicians to contact Audi TAC before replacing parts.
14. Affected vehicles
- Audi A7 · 2021–2022 · US
15. Related TSBs / service bulletins
- NHTSA Manufacturer Communication PDF 10203705: A4121002065161_1, published November 30, 2021. Applicable evidence supplied for U.S. 2021–2022 Audi A7. It lists C103407 as “Left front level control system sensor mechanical malfunction” and instructs technicians to contact Audi TAC before replacing parts.
- Source: https://static.nhtsa.gov/odi/tsbs/2021/MC-10203705-0001.pdf
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Official NHTSA-hosted manufacturer communication: https://static.nhtsa.gov/odi/tsbs/2021/MC-10203705-0001.pdf
19. Frequently asked questions
What does Audi code C103407 mean?
In the supplied official communication, C103407 means “Left front level control system sensor mechanical malfunction.”
Which vehicles are supported by the supplied evidence?
The supplied applicability evidence supports U.S. 2021–2022 Audi A7 vehicles.
Is a suspension warning associated with this code?
The official communication states that a customer may report a suspension malfunction warning message in the cluster, and C103407 may be logged in the suspension control module.
Should parts be replaced immediately?
No specific replacement is established by the supplied evidence. Audi’s communication instructs technicians to contact Audi TAC before replacing any parts.
Is it safe to drive or charge?
Not yet established by verified evidence.