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Audi RS4 B9 8W airbag control unit repair
8W0 959 655 · Label
- Label
- Connector
- 8W0 959 655
- 8W0 959 655F
Audi RS4 B9 8W 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?excluding VAT and 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(246)
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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 RS4
- Series
- B9 8W (2017-2024)
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 246 reviewsView all reviews →
Works like a charm!
Everything went perfectly, I can only recommend it.
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 finally pass the HU there again (failed because of the red light for the airbag). Today the message came from SWE, the car is running again, the red light is off and the HU was also passed. Once again many thanks for the help in need. Keep it up and maybe word will also spread in SWE that Airbag 24 does great work. Regards Gerd
Automatically translated · Original: German
Airbag control unit Fiat 500 was broken. Hard to believe but they can really repair it! Recommendation!!
Automatically translated · Original: German
Everything worked out great! Read out fault memory, sent it in, received offer and sent in the defective control unit. Got it back repaired after 3 days, price exactly as in the offer. It can't get any better 👍
Automatically translated · Original: German
What is an Audi RS4 B9 8W airbag control unit?
The Audi RS4 B9 8W airbag control unit is the central safety unit in the vehicle, precisely activating all occupant restraint systems such as airbags and seatbelt pretensioners in the event of an accident. It continuously monitors a multitude of sensors, stores relevant crash data, and ensures the proper functioning of all passive safety elements in the vehicle.
This safety-relevant component is responsible for recording accident events.
It communicates with other vehicle systems via the CAN bus.
Why is the Audi RS4 B9 8W airbag control unit defective?
An Audi RS4 B9 8W airbag control unit is often defective because crash data is irretrievably stored in the unit after an accident, resulting in the system being locked. Internal component defects or communication errors in the vehicle data bus can also lead to failure or error messages that require repair.
After an airbag is deployed, the stored crash data block further function.
Internal electronic damage can also cause the control unit to fail.
Faults in the wiring or CAN bus can cause communication problems.
Common error codes for Audi RS4 B9 8W airbag control unit repair
During an Audi RS4 B9 8W airbag control unit repair, specific error codes may occur that indicate problems with the unit itself or its communication. These codes often signal a defect in the internal components, difficulties with data transmission, or problems with the connected ignition systems that require a detailed diagnosis.
- B1000 → Control unit communication error → No connection to the airbag ECU possible.
- 00588 → Driver side airbag squib (N95) resistance too high/low → Defective control unit or wiring problem to the squib.
- B200000 → Control unit component defective → Internal hardware error in the airbag control unit.
- U1123 00 → Error message received in the data bus → Faulty communication in the vehicle network with the airbag control unit.
- B13BC → Intermittent fault in the airbag control unit → Sporadic databus problems or internal failures.
These error codes are typical for defects in the airbag control unit of the Audi RS4 B9 8W.
A precise diagnosis with a suitable tool is essential for repair.
What part numbers are available for the Audi RS4 B9 8W airbag control unit repair?
For Audi RS4 B9 8W airbag control unit repairs, only specific and verified OEM part numbers are used to ensure full compatibility and safety. These part numbers ensure that the replacement or repaired control unit is precisely tailored to the vehicle model and interacts correctly with all safety systems of the Audi RS4 B9 8W.
The primary OEM part number for the Audi RS4 B9 8W airbag control unit is 8W0 959 655.
A commonly compatible alternative OEM part number is 8W0959655A, which is used within the same model range.
These numbers come from original equipment manufacturers such as Bosch, a typical supplier of Audi airbag systems.
Only these part numbers guarantee a safe and effective Audi RS4 B9 8W airbag control unit repair or replacement.
4.8
Based on 246 reviews
What our customers say
„Ok.“
Zsolt Szabólast week„Works like a charm!“
Leolylast month„Everything went perfectly, I can only recommend it.“
Automatically translated · Original: German
ka irgendwas2 days ago„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 fi…“
Automatically translated · Original: German
Gerd Goldammer3 days ago„Airbag control unit Fiat 500 was broken. Hard to believe but they can really repair it! Recommendation!!“
Automatically translated · Original: German
Christian Maegerlein5 days ago„Everything worked out great! Read out fault memory, sent it in, received offer and sent in the defective control unit. Got it back repaired after 3 days, price exactly as in the offer. It can't get any better 👍“
Automatically translated · Original: German
Toni Buien6 days ago„Uncomplicated service. Fast and thorough. Can only recommend.“
Automatically translated · Original: German
Abdul KS6 days ago„All great👍“
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Edin Avdiclast week„All great, fast delivery. Thanks.“
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Andrej Ivanovlast week„100% satisfied. Everything handled very professionally and transparently. Only the return shipping took too long. This was however due to UPS and less to Aairbag24. Thank you very much“
Automatically translated · Original: German
Dennis Welast week„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
Tokeh Tokehlast week„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
Sven Wegenerlast week„Ok.“
Zsolt Szabólast week
