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Audi S4 B9 8W airbag control unit repair
8W0 959 655 · Label
- Label
- Connector
- 8W0 959 655
- 8W0 959 655F
Audi S4 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?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(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 S4
- Series
- B9 8W (2016-2019)B9 8W Facelift (2019-2023)
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 S4 B9 8W airbag control unit?
The Audi S4 B9 8W airbag control unit is the central safety unit that activates all occupant restraint systems in the event of an accident. It monitors sensors, stores crash data, and ensures the proper functioning of all airbag modules in the vehicle, which is crucial for safety in the Audi S4 B9 8W.
This safety-critical control unit is responsible for controlling and monitoring the entire airbag system, including front airbags, side airbags, and seat belt pretensioners.
It continuously processes data from crash and acceleration sensors to detect accidents quickly and precisely and trigger the necessary protective systems.
After an impact, the control unit stores relevant crash data that can be used for later analysis of the accident.
In addition, it monitors the system for errors and signals problems via the airbag warning light in the vehicle.
Why is the Audi S4 B9 8W airbag control unit defective?
The Audi S4 B9 8W airbag control unit is often defective because it stores crash data after an accident, triggering a lockout and blocking its function. This requires a specialized repair to restore the control unit to working order rather than replacing it entirely.
A common cause of failure is the storage of crash data after a collision, which puts the control unit into a locked state. This causes the airbag warning light to remain permanently illuminated and the system to be inactive.
Internal electronic or software errors can also cause the airbag control unit to malfunction or communication problems. Such defects impair the system's ability to respond in an emergency.
Sometimes voltage spikes, moisture damage, or corrosion at the connectors are also responsible for the failure. These environmental influences can irreparably damage the control unit's sensitive electronics or lead to intermittent errors.
The need for an Audi S4 B9 8W airbag control unit repair often arises from these specific malfunctions, which require diagnosis and professional repair.
Common error codes for Audi S4 B9 8W airbag control unit repair
During Audi S4 B9 8W airbag control unit repairs, specific error codes are often detected that directly indicate problems with the control unit. These codes help to accurately diagnose the cause of the error and initiate the necessary repair measures.
- 00588 → Driver side airbag igniter resistance too high or too low → Error in the control unit or wiring problem to the igniter.
- B1000 → Control unit communication error → Internal malfunction of airbag ECU communication.
What part numbers are available for the Audi S4 B9 8W airbag control unit repair?
For the Audi S4 B9 8W airbag control unit repair, the manufacturer part numbers 8W0 959 655 and 8W0 959 655F are linked to this repair product. These numbers belong to airbag control units of this model and help identify the correct control unit in the vehicle.
The part number on the label of the airbag control unit can be stated in the repair order.
4.8
Based on 246 reviews
What our customers say
„Ok.“
Zsolt Szabólast week„Works like a charm!“
Leoly4 weeks ago„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 Goldammer2 days ago„Airbag control unit Fiat 500 was broken. Hard to believe but they can really repair it! Recommendation!!“
Automatically translated · Original: German
Christian Maegerlein4 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 Buien5 days ago„Uncomplicated service. Fast and thorough. Can only recommend.“
Automatically translated · Original: German
Abdul KS5 days ago„All great👍“
Automatically translated · Original: German
Edin Avdic6 days ago„All great, fast delivery. Thanks.“
Automatically translated · Original: German
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
