Top
Audi SQ7 4M airbag control unit repair
Audi SQ7 4M 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.
Secure payment with
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.
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 SQ7
- Series
- 4M (2016-2019)4M Facelift (2019-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
4.8What is an Audi SQ7 4M airbag control unit?
The Audi SQ7 4M airbag control unit is the central safety component that instantly activates all occupant restraint systems, such as airbags and seatbelt pretensioners, in an emergency. It continuously monitors sensor data, stores important crash information, and thus ensures the critical protective function for all vehicle occupants.
This vital control unit, often referred to as the airbag ECU, acts as the brain of your vehicle's passive safety system. It continuously analyzes data from impact sensors and decides in milliseconds whether to deploy the safety devices.
After an accident, the control unit irrevocably stores the relevant crash data, allowing for precise analysis of the incident. An illuminated airbag warning light often indicates a malfunction or a necessary system reset.
Why is the Audi SQ7 4M airbag control unit defective?
An Audi SQ7 4M airbag control unit often fails due to an accident, where crash data is permanently stored, or due to electronic failures such as short circuits and water damage. This causes the safety system to stop working or the warning light to remain permanently illuminated, requiring urgent repair.
Because the control unit stores crash information after an accident, it can become blocked and further use is not possible without a special reset.
Electronic defects, such as those caused by moisture or overvoltage, can damage the internal software or hardware. Communication with other vehicle systems then ceases, resulting in error messages.
Age-related wear and tear or manufacturing defects can also cause the control unit to fail. A professional diagnosis at a workshop is essential to determine the exact cause of the defect.
Common error codes for Audi SQ7 4M airbag control unit repair
During Audi SQ7 4M airbag control unit repairs, specific error codes occur that directly indicate defects in the control unit itself, such as communication problems or internal hardware errors. These codes require precise diagnosis to confirm the need for repair or replacement.
- B1000 → Control unit communication error → Cause: interrupted data connection or internal ECU error.
- 00001 → Control unit defective → Cause: Internal electronic or mechanical damage to the airbag control unit.
- 00002 → Control unit defective → Cause: Internal electronic or mechanical damage to the airbag control unit.
- 00003 → Control unit defective → Cause: Internal electronic or mechanical damage to the airbag control unit.
What part numbers are available for the Audi SQ7 4M airbag control unit repair?
For Audi SQ7 4M airbag control unit repairs, specific OEM part numbers are 100% verified to identify genuine Audi or Bosch parts. These include 4M0959655B, 4KE959655B, and 4KE959655L, which are essential for a successful repair or replacement and ensure correct compatibility.
- 4M0959655B → Manufacturer: Audi (Bosch) → Type: Original OEM airbag control unit
- 4KE959655B → Manufacturer: Audi → Type: Original OEM airbag control unit (pre-programmed)
- 4KE959655L → Manufacturer: Audi → Type: Original OEM airbag control unit
Guide
How to create a repair order
Based on 270 reviews
What our customers say
„Top“
„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…“
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
„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
„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
„Hello. Everything was very good“
Automatically translated · Original: German
„Crash data was deleted. Function has been restored. I am very satisfied..“
Automatically translated · Original: German
„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
„Thank God we found this service. Top execution, fast and not too expensive! Hallelujah!“
Automatically translated · Original: German
„Top“




