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Audi TT 8N airbag control unit repair
8N0 959 655 D · Label
- Label
- Connector
- Back
- 8N0 959 655 D
- 8N8 909 601
- 8N8 909 601 TA
Audi TT 8N 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
Replacement unit available
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
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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 TT
- Series
- 8N (1998-2000)8N Facelift (2000-2006)
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 TT 8N airbag control unit?
The Audi TT 8N 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 the safety of the driver and passengers.
This electronic control unit processes signals from crash sensors within milliseconds and decides on the selective deployment of airbags and belt tensioners.
It is the brain of the passive safety system and is essential for proper functioning in the event of a collision.
Why is the Audi TT 8N airbag control unit defective?
An Audi TT 8N airbag control unit often fails due to internal hardware errors, irreparable crash data after an accident, or software problems. This often manifests itself as an illuminated airbag warning light and prevents the safety system from functioning properly, making a professional Audi TT 8N airbag control unit repair essential.
Internal component defects can impair the control unit's ability to communicate.
After an accident, crash data is permanently stored, making it impossible to reuse the device without a professional reset.
Aging and environmental influences can also lead to sporadic failures or complete system failure, requiring immediate diagnosis and repair.
Common error codes for Audi TT 8N airbag control unit repair
Certain error codes specifically indicate problems in the Audi TT 8N airbag control unit that require repair because they impair functionality or prevent the airbags from activating. These codes are crucial for an accurate diagnosis and successful Audi TT 8N airbag control unit repair.
- 65535 → Control unit defective, internal error → Often caused by crash data or hardware defect.
- 00588 → Driver side airbag igniter - resistance too high / unknown errors → Signals a problem in the driver airbag circuit, reported directly by the control unit.
- 01228 → Control unit defective (general software or hardware error) → Indicates extensive internal problems that require repair.
- 01578 → Control unit defective (communication or coding problem) → Refers to errors in vehicle communication or device coding.
These codes are specific to the airbag ECU and can be read via the OBD-II interface.
They indicate that an Audi TT 8N airbag control unit repair or replacement is urgently required.
What part numbers are available for the Audi TT 8N airbag control unit repair?
For the Audi TT 8N airbag control unit repair, the manufacturer part numbers 8N0909601, 8N8 909 601, 8N8 909 601 TA and 8N0 959 655 B are on file for this repair product. They belong to airbag control units of this model.
The numbers are printed on the label of the control unit and can be stated in the repair order. The manufacturer part numbers 8N0 959 655 D and 8N0959655A are also on file, and the Bosch supplier part number 0285001279 belongs to airbag control units of this model too.
Compatibility and model years for the Audi TT 8N airbag control unit repair
The airbag control units are specifically designed for all Audi TT 8N models, both coupé and roadster, built between 1998 and 2006. This compatibility ensures that the Audi TT 8N airbag control unit repair is only performed for the exact vehicle types to ensure safety.
The devices are suitable for all engines and equipment variants of the Audi TT 8N.
It is crucial to note the exact model years, as control units from other Audi models are not compatible.
Functionality and safety features of the Audi TT 8N airbag control unit
The Audi TT 8N airbag control unit is the heart of the passive safety system, continuously monitoring crash sensors and precisely deploying the airbags and seatbelt pretensioners in the event of an impact. It also stores important crash data that is crucial for future Audi TT 8N airbag control unit repairs.
It processes signals from various sensors, assesses the impact intensity and selectively activates the restraint systems based on the seat occupancy.
After a trigger, crash data is saved, which prevents further use without a professional reset.
The control unit continuously monitors the system and signals errors via the airbag warning light, which makes diagnosis easier during Audi TT 8N airbag control unit repair.
Work on the airbag system should always be carried out by specialized workshops to ensure operating approval and safety.
Installation position and connections of the Audi TT 8N airbag control unit
The Audi TT 8N airbag control unit is typically well-protected and located in the vehicle floor area under the front seats, underscoring its central role in the safety system. It features specific multi-connectors and a CAN bus interface, which must be handled carefully during Audi TT 8N airbag control unit repair.
The central installation position ensures optimal recording of impact data.
It is connected to the vehicle network via special multiple plugs for sensors, airbag modules and the power supply.
When removing the airbag, special safety precautions must be taken to prevent electrostatic discharge and unintentional airbag deployment.
Special features and variants of the Audi TT 8N airbag control unit repair
When repairing the Audi TT 8N airbag control unit, various hardware revisions must be considered, as older models are often beyond repair. However, specialized workshops offer comprehensive testing and repair services, including crash data deletion and software updates, which extend the lifespan of the unit.
Replacement devices with modified hardware, such as the "TA" versions, offer improved reliability and are often easier to repair.
Professional services include fault diagnosis and crash data erasure during repair, making the control unit ready for plug-and-play use again.
Software updates can ensure and improve the compatibility and functionality of the device with the vehicle.
Before the actual Audi TT 8N airbag control unit repair, other airbag components should be checked for defects to avoid misdiagnosis.
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👍“
Automatically translated · Original: German
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
