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Audi A7 C7 4G airbag control unit repair
4H0 959 655 C · Label
- Label
- Connector
- Back
Audi A7 C7 4G 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 A7
- Series
- C7 4G (2010-2014)C7 4G Facelift (2014-2018)
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 A7 C7 4G airbag control unit?
The Audi A7 C7 4G airbag control unit is the central safety unit that activates 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 ensures the proper functioning of all passive safety systems in the vehicle to provide optimal occupant protection.
This essential module, also known as the SRS control unit, is an integral part of the Supplemental Restraint System (SRS). It processes real-time data from accelerometers and other safety sensors to accurately assess the severity of a collision.
The control unit communicates with other vehicle components via the CAN bus system and is crucial for a rapid response in the event of an accident. It is designed to trigger the pyrotechnic igniters of the airbags and seatbelt pretensioners in a fraction of a second.
Why is the Audi A7 C7 4G airbag control unit defective?
An Audi A7 C7 4G airbag control unit is often defective because it permanently stores crash data after an accident, preventing reuse without a reset. Internal hardware errors, voltage spikes, or age-related material fatigue can also lead to failures that require urgent Audi A7 C7 4G airbag control unit repair.
After an airbag is deployed, the control unit stores indelible crash data, rendering it unusable for further operation. This is a safety measure to ensure that only fully functional units are in the vehicle.
Other causes of a defect can include electronic failures within the circuit board or problems with the power supply. Faulty programming or a software error can also impair the system's functionality.
Common error codes for Audi A7 C7 4G airbag control unit repair
During Audi A7 C7 4G airbag control unit repairs, specific error codes often occur that indicate internal problems with the control unit or its direct ignition circuits. These codes are crucial for a precise diagnosis of whether the control unit itself is defective and requires inspection or replacement.
- B1000 → Control unit communication error → Connection error or internal failure of the airbag ECU.
- 00588 → Airbag igniter (driver's side) resistance error → Incorrect resistance in the igniter circuit of the driver's airbag, often caused by the control unit or the wiring.
- B1003 → Short circuit to ground squib 2 (passenger) → Direct short circuit in the passenger airbag squib circuit, which may indicate a control unit fault.
What part numbers are available for the Audi A7 C7 4G airbag control unit repair?
For Audi A7 C7 4G airbag control unit repairs, various original part numbers are relevant to ensure compatibility with the specific vehicle model and its equipment. Correct identification of the part number is essential for replacement or reconditioning to ensure the safety of the airbag system.
The exact part number of the installed control unit is crucial for a successful repair or replacement. This can usually be found directly on the device.
Compatibility may vary depending on the year of manufacture, equipment variant (e.g. EU or US models) and the software version of the vehicle.
- 4G0959655A → Audi (OEM) → Compatible with Audi A7 C7 4G models.
- 4H0959655B → Audi (OEM) → Also for Audi A7 C7 4G series, possibly for specific equipment.
- 4H0959655C → Audi (OEM) → Widely used part number in the Audi A7 C7 4G series, often installed in different variants.
- 0285010856 → OEM (supplier unknown) → Another OEM part number that matches the Audi references.
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“
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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“
Automatically translated · Original: German
Sven Wegenerlast week„Ok.“
Zsolt Szabólast week
