Works like a charm!
Nissan Leaf 3rd generation airbag control unit repair
Nissan Leaf 3rd generation 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(233)
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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
- Nissan
- Model
- Nissan Leaf
- Series
- 3rd generation (2025-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
4.8Based on 233 reviewsView all reviews →
Airbag control unit Fiat 500 was broken. Hard to believe but they can really repair it! Recommendation!!
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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 airbag light). Thanks to Airbag 24 in Berlin 👍👏. Gerd
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Fast repair and fast shipping Simply top
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Everything works great
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Ultra fast delivery, fit really well in the end. There was even a pen and gummy bears included. :D Definitely again, thank you very much!
Automatically translated · Original: German
What is a Nissan Leaf 3rd generation airbag control unit?
The airbag control unit manages the entire restraint system (SRS) in the Nissan Leaf 3rd generation. It reads out the crash sensors and, in an accident, triggers the appropriate airbags and seatbelt pretensioners within milliseconds. In between, it constantly monitors the system and indicates faults via the airbag warning light.
Sensors, control unit and airbags together form a chain. The sensors report deceleration and impact. The control unit evaluates the values and issues the deployment command. Without a working control unit, this chain remains broken.
The unit is installed in the Nissan Leaf 3rd generation (since 2025). After an accident, it stores crash data and locks itself. The warning light then stays on. The restraint system is considered not ready for use.
Why is the Nissan Leaf 3rd generation airbag control unit defective?
Most often the cause is crash data stored in the unit after an accident. This applies even if no airbag deployed. Other causes are aged components, cold solder joints, moisture and corrosion on the connectors, as well as voltage spikes.
A normal diagnostic tool does not erase this crash data. Ageing, moisture and corrosion on the connectors can also lead to failure, even without a preceding accident. Voltage spikes arise, for example, from a weak battery or from jump-starting.
Several signs point to a defect. The airbag warning light stays on permanently. The fault memory cannot be cleared. The diagnostic tool cannot establish a connection to the control unit. With these signs, the system is not reliably ready, even if the vehicle drives normally. An inspection provides clarity.
Common error codes for Nissan Leaf 3rd generation airbag control unit repair
The codes for the Nissan Leaf 3rd generation airbag control unit indicate three kinds of faults. These are internal faults of the control unit, disturbances in communication over the data bus, and crash data stored after a collision.
Known codes for this vehicle:
- B1100 → Airbag control unit fault
- B1209 → Frontal collision detected, crash data stored
- B1210 → Side collision detected, crash data stored
- U1000 → CAN communication line fault
- U1010 → CAN communication fault with the control unit
Error codes are read out with a diagnostic tool. A single code does not yet prove a defect of the control unit. The cause may also lie in a connector, a wire or an airbag module. Only the inspection shows where the fault is located.
What part numbers are available for the Nissan Leaf 3rd generation airbag control unit repair?
You will find the part number on the label of the Nissan Leaf 3rd generation airbag control unit. It defines the exact version. Depending on equipment and year of manufacture, there are different numbers within a model series.
Read the number from your unit. Enter it in the repair order. This way we assign the right unit.
The procedure is straightforward. First have the fault memory read out. Disconnect the battery and remove the control unit. Create a repair order online and send in the unit. At Airbag24, inspecting, repairing and testing usually take 3–4 working days. You get your own unit back.
The repaired control unit comes back with all vehicle data and is ready for use as soon as it is refitted — no coding or programming is required.
4.8
Based on 233 reviews
What our customers say
„Works like a charm!“
Leoly3 weeks ago„Airbag control unit Fiat 500 was broken. Hard to believe but they can really repair it! Recommendation!!“
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Christian Maegerleinlast week„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 f…“
Automatically translated · Original: German
Gerd Goldammerlast week„Fast repair and fast shipping Simply top“
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Andreas Foxlast week„Everything works great“
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Wolfgang Katenzlast week„Ultra fast delivery, fit really well in the end. There was even a pen and gummy bears included. :D Definitely again, thank you very much!“
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Tim Hammer2 weeks ago„I drive a W210 estate. My control unit was broken and because of that I couldn't go to TÜV. I was recommended Airbag24 from a forum. I sent in my control unit. Unfortunately everything was a bit under time pressure and I…“
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Franz Dampf2 weeks ago„Motorhome Fiat Ducato. Fault airbag lamp lit permanently, could also not be reset after reading it out. Fault was permanently present. Quick friendly contact with Airbag24, described the fault, known problem was the stat…“
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Rene Larisch2 weeks ago„Professionals are at work here, any additional repairs that may arise are carried out without complaint and without discussion...always happy to come back.“
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Manfred Gunia3 weeks ago„From the order to the repair everything worked well, airbag control unit installed, the light goes off again as it should, good service, fast repair and return shipping. Thanks 👍👍👍“
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Petra3 weeks ago„Got the second airbag control unit from you for another car. Fits, no more error message. Great service Can only recommend. Super fast delivery, and they keep what they promise. A big thank you to this company.“
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Mama 43 weeks ago„Super fast service and repair Fast processing“
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Dennis Baron4 weeks ago„Works like a charm!“
Leoly3 weeks ago
