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Audi A5 8T airbag control unit repair
8K0 959 655 B · Label
- Label
- Connector
- Back
- 8K0 959 655 B
- 8K0 959 655 N
Audi A5 8T 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(270)
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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 A5
- Series
- 8T (2007-2011)8T Facelift (2011-2016)
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 270 reviewsView all reviews →
Top!
Ok.
Thanks to the team! Very fast processing, flawless shipping, control unit works perfectly again and was above all much cheaper than a new unit.
Automatically translated · Original: German
Top advice on the phone, my control unit/Fiat 500 arrived there on a Wednesday, Friday came the message: Defect found and successfully fixed, by Monday I already had it in the mail. The airbag light came on, the workshop's diagnostic device could not establish any communication. Assumption: airbag control unit defective. On the phone I was told that this is a known defect with the Fiat 500, so sent it off and immediately after reinstalling the problem was solved. I would give 10 stars if I could. Many thanks. Price-wise absolutely fair ; unthinkable that you'd have to pay well over 1000 Euro for a new part with new coding etc.
Automatically translated · Original: German
Serious company, fast and efficient work. Airbag message problem solved following their intervention on my calculator. Thank you.
Automatically translated · Original: French
What is an Audi A5 8T airbag control unit?
The Audi A5 8T 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 essential for safety.
It controls the precise deployment of airbags and seat belt pretensioners based on data provided by acceleration and impact sensors.
Communication with other vehicle systems takes place via the CAN bus, while power is supplied directly from the vehicle battery with integrated fuse protection.
Safety mechanisms such as automatic short-circuit clips on the airbag connectors prevent accidental deployment. The vehicle-specific software also stores all relevant diagnostic and accident data.
The typical installation position of the control unit in the Audi A5 8T is in the center console, often under the center armrest or near the transmission tunnel, where it is protected.
Why is the Audi A5 8T airbag control unit defective?
An Audi A5 8T airbag control unit is often defective because it stores crash data after an accident that cannot be erased without special repair, or because internal components fail due to age. Overvoltage or short circuits can also lead to failure, necessitating an Audi A5 8T airbag control unit repair.
The most common reason for failure is a stored crash record after an accident that permanently activates the airbag warning light.
Internal electronic errors or software problems that manifest themselves as sporadic failures or non-erasable error codes are also common causes of a broken control unit.
Sometimes, moisture ingress or mechanical damage can also lead to malfunctions. An incorrect power supply can affect the lifespan of the control unit.
Common error codes for Audi A5 8T airbag control unit repair
When repairing the Audi A5 8T airbag control unit, certain error codes are typical. These directly indicate a malfunction in the control unit and require immediate diagnosis. These codes often indicate an internal defect or an unrecoverable fault that compromises safety.
- 65535 → Control unit defective → Internal error in the airbag ECU, often not erasable after an accident.
- B200049 → Control unit defective → General hardware or software error of the airbag module.
- A00049-89 → Control unit error (general) → Non-specific error in the airbag system, requires precise diagnosis by specialist personnel.
- 00588 → Driver side airbag squib (N95) resistance too high or too low → Problem with the squib circuit, may indicate control unit failure.
- 01217 → Side airbag igniter driver side (N199) Error → Malfunction of the side airbag ignition circuit, often caused by control unit or wiring problems.
For a precise diagnosis and resetting the error memory after an Audi A5 8T airbag control unit repair, we recommend using official VAG diagnostic systems such as VCDS or ODIS.
What part numbers are available for the Audi A5 8T airbag control unit repair?
For Audi A5 8T airbag control unit repairs, specific, verified OEM part numbers are crucial to ensure compatibility with your vehicle. These numbers are predominantly from Bosch and guarantee that you will receive a compatible original replacement part that restores full system functionality.
The most important OEM part numbers for the Audi A5 Type 8T (model years approx. 2007–2016) are precisely verified with the original manufacturer parts by Bosch and have been checked multiple times via independent sources.
It is imperative that the new or repaired part number matches 100% with the originally installed control unit to ensure compatibility and the highest safety standards.
Even though Bosch is the primary manufacturer, similar control units can also be assigned to the Audi A5 via other suppliers such as Continental or Autoliv.
The most important part numbers for the Audi A5 8T airbag control unit are:
- 8K0 959 655 B
- 8K0 959 655 J
- 8K0 959 655 K
- 8K0 959 655 N
- 8K0 959 655 P
A professional workshop should always be consulted to ensure correct diagnosis, part number selection, and installation of the airbag control unit.
Guide
How to create a repair order
4.8
Based on 270 reviews
What our customers say
„Top“
Konstantin Wuckert2 days ago„Top!“
mirko leistner2 weeks ago„Ok.“
Zsolt Szabó3 weeks ago„Thanks to the team! Very fast processing, flawless shipping, control unit works perfectly again and was above all much cheaper than a new unit.“
Automatically translated · Original: German
Fritz Ringyesterday„Top advice on the phone, my control unit/Fiat 500 arrived there on a Wednesday, Friday came the message: Defect found and successfully fixed, by Monday I already had it in the mail. The airbag light came on, the workshop…“
Automatically translated · Original: German
Jessica Gerdesyesterday„Serious company, fast and efficient work. Airbag message problem solved following their intervention on my calculator. Thank you.“
Automatically translated · Original: French
Gerald Di Nota2 days ago„An all-round first-class service! The handling with error code U0151 was as simple as can be, the repair was super fast and the return shipping went without delay. After the professional installation by my colleague, all…“
Automatically translated · Original: German
Erkoc Emir2 days ago„Airbag control unit had the common internal fault and the warning light was permanently on Super fast repair and return delivery everything works again Definitely a cost-effective alternative Can only recommend it“
Automatically translated · Original: German
Hartwig Dewitz2 days ago„Hello. Everything was very good“
Automatically translated · Original: German
Bernd Faber2 days ago„Crash data was deleted. Function has been restored. I am very satisfied..“
Automatically translated · Original: German
Jürgen Veber4 days ago„Sent in the control unit. Repaired in one day and within 2-3 days the unit was back. Top service thank you“
Automatically translated · Original: German
Sorina Günther4 days ago„Thank God we found this service. Top execution, fast and not too expensive! Hallelujah!“
Automatically translated · Original: German
Dawid Kroll6 days ago„Top“
Konstantin Wuckert2 days ago
