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Audi A6 C6 4F airbag control unit repair
Audi A6 C6 4F airbag control unit repair at Airbag24
Airbag24 repairs defective airbag control units professionally and affordably. Both private customers and workshops can order without registration and benefit from fast processing, 2 years' statutory liability for defects and plug&play installation.
Airbag24 works with state-of-the-art diagnostic technology and specialised repair processes. Because defective control units often involve only individual components, a professional overhaul can be considerably cheaper than buying new.
Our advantages: no registration required, a direct online ordering process for B2B and B2C customers, express shipping and comprehensive quality testing. The repaired control unit works like a new part.
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Our estimated repair time for this product is about: 3–4 business days
Which repair matches your fault code?
Below your code you can see what needs to be done.
Your error code isn't listed? The list isn't complete – we can usually repair it anyway. Simply create a repair order, or ask us first.
Specifications
- Make
- Audi
- Model
- Audi A6
- Series
- C6 4F (2004-2008)C6 4F Facelift (2008-2011)

Shipping & repair from Germany
Airbag24 repairs your component in Berlin — usually within 3–4 working days.
Standard shipping within Germany is free; we normally return your part by UPS.
You pay for and insure the inbound shipment to us. On explicit request we ship by express — the extra cost is borne by the customer.
If you withdraw from the contract, you bear the cost of returning the item.
Google reviews
4.8What is an Audi A6 C6 4F airbag control unit?
The Audi A6 C6 (Type 4F) airbag control unit is the central safety unit in the vehicle, responsible for monitoring and deploying all occupant restraint systems. It records accident data, calculates deployment decisions, and activates airbags and seatbelt pretensioners as needed to ensure occupant safety.
This electronic module is crucial for the airbag system in the Audi A6 C6 (model years 2004 to 2011). It processes signals from crash sensors and ensures correct function in an emergency. Precise diagnosis in the event of problems is essential for operational safety.
Why is the Audi A6 C6 airbag control unit defective?
An Audi A6 C6 airbag control unit is often reported as "defective" after an accident because it stores crash data and locks up. Internal software errors or electronic failures can also render the control unit unusable, so a professional Audi A6 C6 airbag control unit repair is often unavoidable.
Because crash data is permanently stored in memory after an impact, the control unit cannot be restarted without professional erasure. A failure can also be indicated by a permanently illuminated airbag warning light. Such malfunctions require specialized diagnosis and repair to restore the safety system's full functionality.
Common error codes for Audi A6 C6 airbag control unit repair
Specific error codes such as B1000 or 65535 directly indicate a defect or communication problem with the airbag control unit in the Audi A6 C6. These codes indicate the need for a specialized Audi A6 C6 airbag control unit repair to restore the safety system to full functionality.
- B1000 → Control unit communication error → No communication with the diagnostic device, indicates an internal defect or a problem with the power supply of the control unit.
- 65535 → Control unit defective / software error → A general internal error that often requires repair of the control unit.
- U1101 → Communication error (component protection) → Occurs after replacing the control unit because the VAG component protection was not activated correctly.
- U1100 → Communication error (component protection) → Similar to U1101, typically occurs after replacement with a new control unit, which then requires coding or activation.
What part numbers are available for the Audi A6 C6 airbag control unit repair?
There are several verified OEM part numbers for the Audi A6 C6 (4F) airbag control unit, which may vary depending on the year and equipment. These numbers are crucial for identifying the correct replacement part and ensuring the correct Audi A6 C6 airbag control unit repair or replacement.
Common original part numbers include 4F0 959 655 B and 4F0959655B, which are suitable for many models. For facelift variants from 2008 onwards, part number 4F0959655G is often relevant. The number 4F0910655E serves as the official replacement number for the same control unit, while 4F0959655 is a frequently used shortened version. These numbers are specifically valid for Audi A6 C6 (model 4F, built between 2004 and 2011) airbag control units and must be verified for successful diagnosis or repair.
Based on 241 reviews
What our customers say
„Ok.“
„Works like a charm!“
„VAG airbag control unit with error B2000 00 reliably repaired. Price very high in comparison, but everything worked out. No exact protocol of what was carried out, probably just newly flashed“
Automatically translated · Original: German
„A great shop, even when there are sometimes problems. There are quick responses and very good help. I can only recommend the shop. Thank you very much“
Automatically translated · Original: German
„Problem solved :-)“
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„Everything went well“
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„Everything works great“
Automatically translated · Original: German
„Ultra satisfied with this company. My computer was repaired quickly and works perfectly again! Communication is exemplary (emails, SMS...). Very serious company, thank you!“
Automatically translated · Original: French
„Uncomplicated, fast, correct.“
Automatically translated · Original: German
„Airbag control unit sent: the handling of it was immediate and very serious. The returned control unit was fitted without any problem and works perfectly. Very satisfied!“
Automatically translated · Original: French
„Airbag control unit Fiat 500 was broken. Hard to believe but they can really repair it! Recommendation!!“
Automatically translated · Original: German
„From the first phone call, the order processing, to the shipping, everything was done very quickly and professionally. Now I still have to send the repaired unit to the Swedish workshop and then hopefully the Honda can f…“
Automatically translated · Original: German
„Ok.“




