Works like a charm!
Toyota Tacoma N400 airbag control unit repair
Toyota Tacoma N400 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.
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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
- Toyota
- Model
- Toyota Tacoma
- Series
- N400 (2024-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 a Toyota Tacoma N400 airbag control unit?
The airbag control unit in the Toyota Tacoma N400 is the central control unit of the restraint system (SRS). It links crash sensors, airbags and seatbelt pretensioners into one system and decides which component deploys and when.
The sensors report acceleration and impact signals to the control unit. It evaluates this data within milliseconds and then triggers the firing circuits of the airbags and seatbelt pretensioners. In the Toyota Tacoma N400 (since 2024) it performs this task for the entire restraint system.
At the same time, it continuously checks whether all components of the system can be reached and are ready for operation, and reports faults via the airbag warning light. After an accident it stores crash data and locks itself.
Why is the Toyota Tacoma N400 airbag control unit defective?
The most common cause is crash data stored after an accident, even if no airbag deployed. Other possible causes are aged electronic components, cold solder joints, moisture and corrosion on connectors, or voltage spikes.
The crash data remains stored in the Toyota Tacoma N400 airbag control unit, and an ordinary diagnostic tool cannot delete it. For this reason the system stays locked, even when the bodywork has long since been repaired and all airbag modules have been refitted.
Voltage spikes occur, for example, with a weak battery or when jump-starting. Moisture can cause corrosion on connectors, and over the years electronic components and solder joints deteriorate.
Typical signs are a permanently lit airbag warning light, a fault memory that cannot be cleared, or a diagnostic tool that cannot connect to the control unit.
Common error codes for Toyota Tacoma N400 airbag control unit repair
Typical error codes for the Toyota Tacoma N400 airbag control unit concern internal faults of the sensor unit, interrupted communication, faults in the firing circuits and occupant classification. They indicate which area of the restraint system the fault lies in.
These codes, among others, belong to this vehicle:
- B1000 → Internal fault in the airbag control unit
- B1100 → Internal fault in the airbag sensor unit
- U0151 → Communication with the airbag control unit lost
- B1800 → Fault in the driver airbag firing circuit
- B1805 → Fault in the passenger airbag firing circuit
- B1650 → Occupant classification fault
Error codes are read out with a diagnostic tool. A code alone does not reliably show that the control unit is defective, because connectors, wiring or an airbag module can also be the cause. Only the inspection clarifies where the fault lies.
What part numbers are available for the Toyota Tacoma N400 airbag control unit repair?
The part number is printed on the label of the Toyota Tacoma N400 airbag control unit. It determines the exact version, because within a model series there are different numbers depending on equipment and year of manufacture.
There is not yet a list of known numbers for this model. Please therefore copy the number from the label of your removed unit and state it in the repair order.
The number alone only tells you which version it is. Whether the unit is defective is shown only by reading out the fault memory or by the inspection.
Here is how to proceed: Have the fault memory read out, disconnect the battery and remove the control unit. Create a repair order online and send in the unit. Processing at Airbag24, including inspection, repair and testing, usually takes 3–4 working days.
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.
Based on 233 reviews
What our customers say
„Works like a charm!“
„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 f…“
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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!“
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„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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„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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„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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„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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„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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„Super fast service and repair Fast processing“
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„Works like a charm!“



