
Airbag control unit with part number 89170-12B00
Control unit repairs for part number 89170-12B00 in our shop:

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Part number “89170-12B00” isn't linked to every vehicle in our database – we can usually repair it anyway. Select your vehicle and we'll show you the matching repair:
What does the airbag control unit 89170-12B00 do?
In the restraint system (SRS) for Toyota, the airbag control unit 89170-12B00 is the central unit. It reads the crash sensors, decides in an accident within milliseconds on the triggering of airbags and seatbelt pretensioners, and indicates faults via the airbag warning light.
In addition, the unit checks the function of the entire system continuously. After an accident it stores crash data and locks itself.
Why does the control unit 89170-12B00 fail?
Stored crash data is most often the cause, even where no airbag has deployed. Other causes include ageing electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes.
A standard diagnostic tool cannot erase crash data. The fault therefore stays in the memory even if a reset is attempted.
Ageing components and cold solder joints are not noticeable in everyday use. Moisture and corrosion at plug connections are also hard to detect reliably from the outside.
Voltage spikes arise, for example, when the battery is weak or a jump start is not carried out properly.
How can you tell that the 89170-12B00 is defective?
The airbag warning light in the instrument cluster lights up permanently or intermittently as soon as there is a defect. Error messages, a missing connection to the diagnostic tool or a fault memory that cannot be cleared are also signs.
In an emergency, airbags and seatbelt pretensioners may not deploy. Take this indicator seriously and have it clarified promptly.
Which vehicles is the 89170-12B00 fitted in?
The control unit 89170-12B00 is fitted in these vehicles: Toyota Corolla E170 (2013-2018).
Here you can see the allocation:
- Toyota Corolla E170 (2013-2018)
Compare the part number on the label of the unit with this page. This only ensures that it is the correct unit. Also have the fault memory read out, because only that result shows whether the control unit is defective or whether a plug or cable is the cause.
For the same vehicles, we also repair control units with the part numbers 89170-02C70, 89170-12180, 89170-12G10, 89170-12N50.
How does the repair of the 89170-12B00 work?
First have the fault memory read out and enclose the log; then disconnect the battery and remove the control unit 89170-12B00. Afterwards, create a repair order online and send the unit in well packed. At Airbag24, checking, repairing and testing usually take 3–4 working days.
Airbag24 checks the unit on the test bench, replaces defective components, deletes stored crash data and carries out a function test.
Your own unit is then returned to you. Our repairs come with 2 years' statutory liability for defects. 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.
How does the control unit 89170-12B00 get to Airbag24?
You send the control unit as a parcel to Airbag24 or book a UPS collection for an extra charge. Your own, repaired unit is returned to you by UPS.
Enclose the printed repair order in the parcel and pack the unit so that it is shock-resistant.
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.
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What our customers say
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„Works like a charm!“
„The website of Airbag24 Airbagsysteme is very well structured and simply explained. I sent my airbag control unit from my Renault Trafic there for repair. I am very satisfied with the telephone contact as well as by mail…“
Automatically translated · Original: German
„Super great! Very fast repair of an airbag control unit of a Fiat Bravo 198. Sent it off on Monday, got it back already repaired by Friday and installed it. Everything works perfectly again. Old reliable car saved again…“
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„Well structured website with clear instructions, processing on schedule, punctual delivery. Worked immediately after reinstallation.“
Automatically translated · Original: German
„Apart from the price which remains a bit high, but compared to the only replacement solution and the service provided, it's PERFECT. Very good sending and return procedure, and customer contact SUPER, not to mention the…“
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„Very satisfied great work“
Automatically translated · Original: German
„Airbag control unit was defective..Sent it in and got it back faster than expected.Worked great.Great performance from the Airbag24 Team.Thanks and I will recommend you further.“
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„I can only recommend this company. My airbag control unit was repaired within a short time and sent back to me. Airbag system works perfectly again.“
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„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
„Top!“



