Ok.
Land Rover Defender L663 Airbag Control Unit Repair
Land Rover Defender L663 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
- Land Rover
- Model
- Land Rover Defender
- Series
- L663 (2020-2025)

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 a Land Rover Defender L663 airbag control unit?
The Land Rover Defender L663 airbag control unit is the central safety unit that activates all occupant restraint systems in the event of an accident. It monitors sensors, stores crash data, and ensures the proper functioning of all airbag modules and seatbelt pretensioners in the vehicle to provide maximum occupant safety.
This module, also known as the SRS control unit, is crucial for the passive safety of the Land Rover Defender L663. It receives signals from crash sensors and deploys airbags and seatbelt pretensioners as needed.
Proper functioning is therefore essential for vehicle licensing and the safety of vehicle occupants. It is an integral part of the safety concept of the Land Rover Defender L663 (from 2020).
Why is the Land Rover Defender L663 airbag control unit defective?
A Land Rover Defender L663 airbag control unit can be defective due to internal memory errors (crash data), hardware damage caused by overvoltage, or water ingress. After an accident, it is often necessary to reset or replace it, as it irretrievably stores collision data and then blocks it.
The repaired control unit is ready for immediate operation after installation.
Internal electronic faults, short circuits, or power supply problems can also lead to a defect. A malfunction requires immediate Land Rover Defender L663 airbag control unit repair .
Common error codes for Land Rover Defender L663 airbag control unit repair
When diagnosing a Land Rover Defender L663 airbag control unit repair, specific error codes will appear that indicate internal problems with the module. These codes indicate hardware, software, or communication errors and are crucial for accurately diagnosing and repairing the faulty control unit.
- B1000 → Control unit communication error → Data transmission disruption within the airbag system or to other vehicle modules.
- B0029 → Internal airbag control unit memory error → Damage to the EEPROM or flash memory, often after an accident.
- B0100 → Airbag control unit hardware error → Defect in the electronic components or the circuit board of the module.
- B0030 → Short circuit or open circuit in the airbag control unit circuit → Problems in the internal wiring or power supply of the control unit.
- B0080 → Airbag control unit initialization error → Problems starting the control unit software or the bootloader.
- B0105 → Airbag control unit power supply error → Insufficient or unstable power supply to the module.
- B0110 → Communication error with other control units in the SRS network → The airbag control unit cannot communicate correctly with the CAN bus.
What part numbers are available for the Land Rover Defender L663 airbag control unit repair?
For the Land Rover Defender L663 airbag control unit repair, the manufacturer part numbers L8B2-14D374-AB, LR139831 and M9V2-14D374-AB are listed for this repair product. These numbers belong to airbag control units of this model. The part number is on the label of your airbag control unit and can be stated in the repair order.
The numbers are listed for this repair product because they relate to airbag control units of the Land Rover Defender L663. Compare the number on your control unit with this list before you submit your repair order.
Based on 246 reviews
What our customers say
„Ok.“
„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 fi…“
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
„Uncomplicated service. Fast and thorough. Can only recommend.“
Automatically translated · Original: German
„All great👍“
Automatically translated · Original: German
„All great, fast delivery. Thanks.“
Automatically translated · Original: German
„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
„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
„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
„Ok.“



