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Audi A4 8W Avant airbag control unit repair
8W0 959 655 · Label
- Label
- Connector
- 8W0 959 655
- 8W0 959 655 P
- 8W0 959 655F
- 8W0959655H
Audi A4 8W Avant 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 A4
- Series
- 8W
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 A4 8W Avant airbag control unit?
The Audi A4 8W Avant 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 by receiving signals from acceleration sensors and specifically controlling the deployment of the airbags and seatbelt pretensioners. A professional Audi A4 8W Avant airbag control unit repair is essential in the event of malfunctions.
The airbag control unit is specifically designed for the Audi A4 8W (B9) series and Avant models from approximately 2016 onwards. It operates on the 12V vehicle electrical system and communicates with the vehicle network via the CAN bus.
Its main function includes controlling all airbags, such as front, side, and curtain airbags, as well as the seat belt pretensioners. The module contains integrated algorithms for accident detection and stores important crash data for diagnostics.
Why is the Audi A4 8W Avant airbag control unit defective?
An Audi A4 8W Avant airbag control unit can fail due to internal memory errors, software integrity errors, or incomplete crash data storage. This often leads to safety system failure, a permanently illuminated airbag warning light, or the inability to clear error codes, requiring urgent repair. If the control unit fails, quick action is required.
Errors such as B1020 (internal memory error) or B1140 (EEPROM error) are typically due to a defect in the control unit itself. Such internal problems often require specialized repair or replacement of the module.
A failure can also be caused by software integrity errors (B1170) or CPU errors (B1215). This causes the system to no longer function correctly, making an Audi A4 8W Avant airbag control unit repair unavoidable.
Bus communication errors (B1260) or problems resetting crash data (B1290) also indicate control unit defects. Early diagnosis is crucial to restore driving safety and optimize the cost of Audi A4 8W Avant airbag control unit repair.
Common error codes for Audi A4 8W Avant airbag control unit repair
When repairing the Audi A4 8W Avant airbag control unit, specific error codes are crucial. They indicate internal problems within the control unit. These range from communication and memory errors to issues with software integrity and crash data storage, allowing for precise diagnosis and repair of the control unit itself.
- B1000 → Control unit communication error → Error in the connection to the control unit.
- B1020 → Internal memory error in the airbag control unit → Defect in the internal data memory of the control unit.
- B1140 → Error in the EEPROM of the airbag control unit → Error in the non-volatile memory for configuration data.
- B1170 → Control unit software integrity error → Problem with the control unit software or firmware.
- B1215 → Internal CPU error in the airbag control unit → Defect in the main processor of the control unit.
- B1260 → Bus communication error between control units → Malfunction in data transmission to other vehicle modules.
- B1290 → Crash data reset error → Inability to delete stored crash information.
These codes are used for targeted diagnosis and repair in the workshop on the Audi A4 8W Avant and consistently rule out other component errors.
What part numbers are available for the Audi A4 8W Avant airbag control unit repair?
For the Audi A4 8W Avant, four manufacturer part numbers are stored for this repair product, namely 8W0 959 655, 8W0 959 655 G, 8W0 959 655 M and 8W0 959 655F. They belong to airbag control units of this model and are listed on this page.
The part number of your unit is on the label of the control unit and 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!“
Leolylast month„Everything went perfectly, I can only recommend it.“
Automatically translated · Original: German
ka irgendwas3 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.“
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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“
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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“
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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“
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Sven Wegenerlast week„Ok.“
Zsolt Szabólast week
