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Audi S8 D5 airbag control unit repair
4N0 959 655AE · Label
- Label
- Connector
- Back
Audi S8 D5 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.
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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 S8
- Series
- D5 (2019-2021)D5 Facelift (2021-XXXX)
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 S8 D5 airbag control unit?
The Audi S8 D5 airbag control unit is the central safety unit in your vehicle, precisely activating all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of an accident. It continuously monitors sensors, stores relevant crash data, and is essential for the proper functioning of the safety system. Repairing the Audi S8 D5 airbag control unit will restore full functionality.
This module, also known as the SRS control unit, is responsible for controlling and monitoring all passive safety functions in the vehicle. It processes data from various crash sensors and accelerometers to accurately analyze an impact.
The airbag inflators and seatbelt pretensioners are deployed precisely within milliseconds of a detected impact, ensuring maximum protection for vehicle occupants in the event of an accident.
The control unit is also diagnostic-capable and stores all relevant crash data as well as any error codes. Reading this data allows for precise error diagnosis after a system activation or failure.
Technical specifications and compatibility of the Audi S8 D5 airbag control unit
The Audi S8 D5 airbag control units are designed for models from 2017 onwards (D5 generation, model year 2018). They are also compatible with the Audi A8 D5, as these models are based on the same platform and technology.
The system is typically compatible with airbag generations 8, 9, and 10, allowing the integration of various safety features. Each control unit is coded specifically for the vehicle's vehicle identification number (VIN).
Replacing the module typically requires reprogramming or recalibration in the vehicle, even with the same part number. However, once triggered, the control unit can be repaired and reset and returns as a plug-and-play unit.
Why is the Audi S8 D5 airbag control unit defective?
The Audi S8 D5 airbag control unit is often considered defective after an accident because it stores crash data and therefore requires repair. Age-related wear and tear, overvoltage, or internal hardware problems can also cause failure. An Audi S8 D5 airbag control unit repair ensures that the restraint system's life-saving functions are fully operational again.
A very common cause of a defect is the permanent storage of "crash data." After an airbag is deployed, this information is irretrievably stored in the control unit's memory and prevents further use of the system.
The airbag symbol in the instrument cluster then lights up continuously, indicating a system error or failure. Professional deletion of crash data is essential to restore functionality.
Other causes can include faulty software, corrosion on the contacts, or internal component failures. These can impair the control unit's communication with other vehicle systems and cause the system to fail.
A professional diagnosis is always advisable to identify the exact cause of the failure and correct any persistent defect. This is the only way to perform a targeted and safe Audi S8 D5 airbag control unit repair.
Common error codes for Audi S8 D5 airbag control unit repair
During Audi S8 D5 airbag control unit repairs, specific error codes often occur that indicate problems with the control unit itself or its direct control. These codes often signal communication problems, resistance problems in ignition modules, or other internal defects in the airbag ECU that require professional diagnosis and repair.
These codes relate directly to the airbag control unit (ECU) or its function, not to external sensors or seatbelt pretensioners in detail. They can occur after an accident or if the module fails spontaneously and activate the airbag warning light.
Precise interpretation and correction of error codes requires special diagnostic software such as VCDS or Bosch ESI[tronic]. This ensures the correct execution of the Audi S8 D5 airbag control unit repair and prevents subsequent errors.
- B1000: Control Unit Communication Error → Indicates problems with the communication between the airbag ECU and other vehicle modules → May indicate internal defects or power supply problems.
- 00588: Driver side airbag ignition module – resistance incorrect → Indicates an inadmissible resistance value on the driver airbag ignition module → Can indicate a cable break, short circuit or a defective ignition module itself.
- 01217: Side airbag ignition module driver side error → Indicates a malfunction of the ignition module on the driver side side airbag → Can have similar causes as 00588 or a defective side airbag module.
Errors like "Crash Data Saved" are also a very common problem after accidents, although they aren't always listed as a standardized OBD-II code. They require a specialized reset of the airbag control unit and can't simply be erased.
What part numbers are available for the Audi S8 D5 airbag control unit repair?
For the Audi S8 D5 airbag control unit repair, this repair product lists the manufacturer part numbers 4N0 959 655AE, 4N0959655A and 4N0959655AC. They belong to airbag control units of this model and refer to the control unit itself, not to sensors or airbag modules.
The part number is printed on the label of the airbag 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 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
