Top!
Audi A4 B8 8K airbag control unit repair
8K0 959 655 B · Label
- Label
- Connector
- Back
- 8K0 959 655 B
- 8K0 959 655 N
Audi A4 B8 8K 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.
Notes
Mounting position
Repair type
Which repair matches your fault code?incl. VAT plus shipping
Not sure? Just send us an enquiry or give us a call — we're happy to advise you.
4.8Google reviews of our shop(258)
Secure payment with
Matching part numbers
Your part number isn't listed? The list isn't complete – we can usually repair it anyway. Simply create a repair order, or ask us first.
Repair time
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 A4
- Series
- B8 8K (2007-2011)B8 8K Facelift (2011-2015)
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
4.8Based on 258 reviewsView all reviews →
Ok.
Works like a charm!
Impeccable service worthy of German organization Perfect repair
Automatically translated · Original: French
Everything went well, I will gladly recommend them.
Automatically translated · Original: German
Everything went great, nothing better than the cloning of our old control unit could have happened to us
Automatically translated · Original: German
What is an Audi A4 B8 8K airbag control unit?
The Audi A4 B8 8K airbag control unit is the central safety unit in the vehicle, activating all occupant restraint systems in the event of an accident. It receives signals from numerous sensors, makes split-second decisions about airbag and seatbelt pretensioner deployment, and stores important crash data for post-accident diagnostics.
This essential module is responsible for the correct functioning of the entire passive safety system. It continuously communicates with other control units in the vehicle via the CAN bus.
Regular diagnosis and, if necessary, an Audi A4 B8 8K airbag control unit repair are crucial for vehicle occupant safety.
Why is the Audi A4 B8 8K airbag control unit defective?
An Audi A4 B8 8K airbag control unit often malfunctions because it develops internal software errors, communication problems with other vehicle systems occur, or crash data is permanently stored in memory after an accident. These malfunctions cause the airbag warning light in the instrument cluster to illuminate continuously, rendering the system inoperable.
Typical causes of failure include low voltage, internal processor errors or an incorrect vehicle identification number (VIN).
Damage caused by moisture can also lead to a defect, which makes an Audi A4 B8 8K airbag control unit repair necessary instead of an expensive replacement.
Common error codes for Audi A4 B8 8K airbag control unit repair
During an Audi A4 B8 8K airbag control unit repair, specific error codes are often read out, indicating a malfunction within the control unit itself. These codes typically involve problems with the power supply, internal communication, or a complete inaccessibility of the module, making a diagnosis essential.
- U101100 → Undervoltage detected → Airbag control unit
- B200049 → Airbag control unit error → Airbag control unit
- U015100 → No communication → Airbag control unit
- 01321 → Airbag control unit not accessible → Airbag control unit
- 00003 → Control unit defective → Airbag control unit
- 00474 → Immobilizer control unit (speedometer may be affected) → Airbag control unit
- 01794 → Control unit incorrect chassis number → Airbag control unit
These error codes relate exclusively to the airbag control unit and require specific repair in the workshop.
What part numbers are available for the Audi A4 B8 8K airbag control unit repair?
For Audi A4 B8 8K airbag control unit repairs, there are several original Audi and compatible Bosch OEM part numbers, all relevant to the A4 B8 8K, A4 Avant B8, and A4 Allroad B8 models. Correct identification of the part number is crucial to ensure the compatibility of the repaired or replaced control unit and prevent failure.
These numbers ensure that the airbag control unit fits the vehicle perfectly and optimally fulfills its safety function.
Verification using the chassis number is always recommended for a safe Audi A4 B8 8K airbag control unit repair.
| Part number | Manufacturer | type |
|---|---|---|
| 8K0 959 655 B | Audi | Original |
| 8K0 959 655 G | Audi | Original |
| 8K0 959 655 N | Audi | Original |
| 8K0 959 655 L | Audi | Original |
| 8K0 959 655 J | Audi | Original |
| 8K0 959 655 P | Audi | Original |
| 8K0 959 655 Q | Audi | Original |
| 8W0 959 655 | Audi | Original |
| 5WK44111 | Bosch (supplier) | OEM Ref. |
This list contains all verified OEM part numbers for the Audi A4 B8 8K airbag control unit, important for any repair.
The Bosch part number 5WK44111 is often used as a reference for compatible Audi airbag control units.
Guide
How to create a repair order
4.8
Based on 258 reviews
What our customers say
„Top!“
mirko leistnerlast week„Ok.“
Zsolt Szabó2 weeks ago„Works like a charm!“
Leolylast month„Impeccable service worthy of German organization Perfect repair“
Automatically translated · Original: French
Étienne HUSSONyesterday„Everything went well, I will gladly recommend them.“
Automatically translated · Original: German
Georgios Chorosisyesterday„Everything went great, nothing better than the cloning of our old control unit could have happened to us“
Automatically translated · Original: German
Manuel Wegmannyesterday„The website of Airbag24 Airbagsysteme is very well structured and simply explained. I sent my airbag control unit from my Renault Trafic there for repair. I am very satisfied with the telephone contact as well as by mail…“
Automatically translated · Original: German
H. S.3 days ago„Super great! Very fast repair of an airbag control unit of a Fiat Bravo 198. Sent it off on Monday, got it back already repaired by Friday and installed it. Everything works perfectly again. Old reliable car saved again…“
Automatically translated · Original: German
Stephan Plewinsky4 days ago„Well structured website with clear instructions, processing on schedule, punctual delivery. Worked immediately after reinstallation.“
Automatically translated · Original: German
Dieter Hirsch4 days ago„Apart from the price which remains a bit high, but compared to the only replacement solution and the service provided, it's PERFECT. Very good sending and return procedure, and customer contact SUPER, not to mention the…“
Automatically translated · Original: French
patrick taverna5 days ago„Very satisfied great work“
Automatically translated · Original: German
Florian Bickel5 days ago„Airbag control unit was defective..Sent it in and got it back faster than expected.Worked great.Great performance from the Airbag24 Team.Thanks and I will recommend you further.“
Automatically translated · Original: German
Dieter Winkler6 days ago„Top!“
mirko leistnerlast week
