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Seat Leon 2 [1P] Airbag Control Unit Repair
1K0 909 605 T · Label
- Label
- Connector
- Back
- 1K0 909 605 T
- 5N0 959 655 AA
- 5N0 959 655 J
Seat Leon 2 [1P] 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.
4.8Google reviews of our shop(271)
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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
- Seat
- Model
- Seat Leon
- Series
- 2 [1P] (2005-2009)2 [1P] Facelift (2009-2012)
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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 271 reviewsView all reviews →
Top!
Ok.
Top service, fast repair and shipping, nice and helpful support, gladly again anytime
Automatically translated · Original: German
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's diagnostic device could not establish any communication. Assumption: airbag control unit defective. On the phone I was told that this is a known defect with the Fiat 500, so sent it off and immediately after reinstalling the problem was solved. I would give 10 stars if I could. Many thanks. Price-wise absolutely fair ; unthinkable that you'd have to pay well over 1000 Euro for a new part with new coding etc.
Automatically translated · Original: German
What is a Seat Leon 2 [1P] airbag control unit?
The Seat Leon 2 [1P] airbag control unit is the central safety unit that activates all occupant restraint systems in the event of an accident. It continuously monitors sensors, stores relevant crash data, and ensures the proper functioning of all airbag modules and seatbelt pretensioners in the vehicle to provide maximum occupant protection.
This essential component, also known as the airbag ECU or SRS control unit, is vital for passive safety. It forms the heart of the airbag system, continuously monitoring all connected sensors and firing circuits.
If a malfunction is suspected, a diagnosis should be performed immediately to ensure vehicle safety. A professional Seat Leon 2 [1P] airbag control unit repair can often resolve the issue.
Why is the Seat Leon 2 [1P] airbag control unit defective?
A Seat Leon 2 [1P] airbag control unit is often defective because crash data is permanently stored after an accident, preventing it from being restarted without first being erased. Internal electronic defects or communication problems in the vehicle's network can also lead to a failure of this critical safety system.
After a vehicle accident, the airbag control unit is programmed to store crash information and prevent the airbags from deploying again. This is for safety reasons and requires repair or replacement of the module.
Another common cause of failure is internal component failure, which can be caused by aging, moisture, or overvoltage. Poor data bus communication can also damage the control unit.
If such a fault occurs, the airbag warning light in the cockpit will illuminate continuously. A professional diagnosis at a workshop is essential to determine the exact cause and perform a professional Seat Leon 2 [1P] airbag control unit repair.
Common error codes for Seat Leon 2 [1P] airbag control unit repair
When diagnosing a defective Seat Leon 2 [1P] airbag control unit, specific error codes are read out, providing precise clues as to the nature of the problem. These codes are crucial for targeted troubleshooting and a successful Seat Leon 2 [1P] airbag control unit repair.
- B200000: Meaning: Internal control unit defect. Cause: The airbag ECU itself is damaged and requires repair.
- U1123 00: Meaning: Databus communication error, error message received. Cause: Malfunction in the network communication between the airbag control unit and other vehicle systems.
These error codes directly indicate problems with the airbag control unit. They differ from codes that affect sensors or airbag squibs and are therefore specifically relevant to the control unit malfunction.
What part numbers are available for the Seat Leon 2 [1P] airbag control unit repair?
For the Seat Leon 2 [1P] airbag control unit repair, several manufacturer part numbers are stored for this repair product, including 1K0 909 605 T, 3C0909605L, 5N0 959 655 AA and 5N0959655A. All stored numbers belong to airbag control units of this model and help identify the installed control unit.
The part numbers 5N0 959 655 J and 5N0 959 655 R are also stored for this repair product.
The part number is printed on the label of the airbag control unit and can be stated in the repair order.
Guide
How to create a repair order
4.8
Based on 271 reviews
What our customers say
„Top“
Konstantin Wuckert3 days ago„Top!“
mirko leistner2 weeks ago„Ok.“
Zsolt Szabó3 weeks ago„Top service, fast repair and shipping, nice and helpful support, gladly again anytime“
Automatically translated · Original: German
Roman Schneidertoday„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 Ring2 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 Gerdes2 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 Nota2 days ago„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
Erkoc Emir3 days ago„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
Hartwig Dewitz3 days ago„Hello. Everything was very good“
Automatically translated · Original: German
Bernd Faber3 days ago„Crash data was deleted. Function has been restored. I am very satisfied..“
Automatically translated · Original: German
Jürgen Veber4 days ago„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
Sorina Günther5 days ago„Top“
Konstantin Wuckert3 days ago
