German specialistFree standard shippingFast delivery20,000+ repairs · 10,000+ reviews
Airbag24

Audi A6 4F Avant airbag control unit repair

4F0 959 655 B · Label

  • Label
  • Connector
  • Back

Audi A6 4F Avant 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.

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.

4.8
Google reviews of our shop(271)

Secure payment with

  • Apple Pay
  • Bancontact
  • EPS
  • Google Pay
  • Maestro
  • Mastercard
  • MobilePay
  • PayPal
  • Visa

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.

We can only tell in our workshop whether your unit is defective and can be repaired.

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 A6
Series
4F

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

4.8
Based on 271 reviewsView all reviews →

What is an Audi A6 4F Avant airbag control unit?

The Audi A6 4F Avant airbag control unit is your vehicle's central safety unit, instantly activating all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of a collision. It processes sensor data in real time, stores important crash information, and thus ensures the critical functionality of the entire safety system for driver and passengers.

This electronic control unit continuously monitors the vehicle's condition in order to trigger the safety systems as needed in an emergency.

It is essential for the correct functioning of all airbag modules and the storage of diagnostic data relevant for repair or troubleshooting.

Why is the Audi A6 4F Avant airbag control unit defective?

An Audi A6 4F Avant airbag control unit often fails because it stores irretrievable crash data after an accident, resulting in immediate system shutdown and the need for repair. Internal electronic errors, moisture damage, or communication problems in the vehicle's network can also cause a complete failure.

These defects often manifest themselves as a permanently illuminated airbag warning light in the instrument cluster.

A precise diagnosis in the workshop is crucial to find the exact cause of the problem and ensure a safe repair.

Common error codes for Audi A6 4F Avant airbag control unit repair

Common error codes on your Audi A6 4F Avant airbag control unit indicate communication problems, internal errors, or stored crash data. Immediate repair is often necessary to restore the airbag system's full functionality and ensure safety. These codes make professional diagnostics essential.

  • B1000 → Control unit communication error → Cause: Problems in the data connection to the airbag ECU.
  • U1100 → Missing communication with airbag control unit (component protection) → Cause: Activated component protection after replacement or coding problems.
  • U1101 → Communication fault with airbag control unit (component protection) → Cause: Fault in data exchange, often associated with component protection release.
  • 65535 → Crash data stored, not erasable (Airbag ECU internal error) → Cause: Stored impact data that requires special reset or repair.

What part numbers are available for the Audi A6 4F Avant airbag control unit repair?

For professional Audi A6 4F Avant airbag control unit repairs, matching the part number is essential, as various OEM numbers exist for this safety-critical component. These original manufacturer part numbers ensure exact compatibility with your vehicle model and its specific trim level.

The following original OEM part numbers are verified for airbag control units of the Audi A6 Avant Type 4F (C6, built approximately 2004–2011):

  • 4F0 959 655 B
  • 4F0 959 655 E
  • 4F0 910 655 E
  • 4F0 910 655 B
  • 4F0 910 655 G
  • 4F0 910 655 Q
  • 4F0 910 655 QZ09

The compatibility of these modules extends across various engines and equipment variants of the Audi A6 4F Avant.

Please note that supplier numbers from Bosch or Continental are often internal and do not always directly match the Audi OEM numbers.

Guide

How to create a repair order

4.8

Based on 271 reviews

What our customers say

„Top!!“

Luke DukeLuke Duke2 days ago

„Top“

Konstantin WuckertKonstantin Wuckert6 days ago

„Top!“

mirko leistnermirko leistner2 weeks ago

„Ok.“

Zsolt SzabóZsolt Szabó4 weeks ago

„Airbag24 is a very well organized company. The shipping procedure is correct and reliable. The quick repair right after receipt, the clear payment after repair, the UPS shipping right away. I am very satisfied with the r…“

Automatically translated · Original: French

Mais MaisMais Maisyesterday

„⭐⭐⭐⭐⭐ I am absolutely thrilled and very satisfied with the service from Airbag24! The processing went smoothly and the delivery was incredibly fast. Everything worked perfectly. I can recommend Airbag24 without reservati…“

Automatically translated · Original: German

Artur W.Artur W.2 days ago

„Sent in a defective airbag control unit for my Ducato. After a few days the info that unfortunately it's unrepairable, but right away an offer for a replacement unit. Agreed and received a few days later. Installed and n…“

Automatically translated · Original: German

Gunther FreymuthGunther Freymuth2 days ago

„Super satisfied, top quality and shipping mega fast. Installation child's play, happy to order again anytime“

Automatically translated · Original: German

Benjamin HinrichsBenjamin Hinrichs2 days ago

„Top service, fast repair and shipping, nice and helpful support, gladly again anytime“

Automatically translated · Original: German

Roman SchneiderRoman Schneider3 days 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 RingFritz Ring4 days ago

„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 GerdesJessica Gerdes4 days ago

„Serious company, fast and efficient work. Airbag message problem solved following their intervention on my calculator. Thank you.“

Automatically translated · Original: French

Gerald Di NotaGerald Di Nota5 days ago

„Top!!“

Luke DukeLuke Duke2 days ago
Airbag24

Didn't find your vehicle? Chances are we can still help!