
Airbag control unit with part number 89170-12G12
Control unit repairs for part number 89170-12G12 in our shop:

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Part number “89170-12G12” 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 89170-12G12 do?
The airbag control unit 89170-12G12 coordinates the restraint system of Toyota. It evaluates the crash sensors, decides in an accident whether airbags and seatbelt pretensioners are triggered, and monitors all components continuously. Detected faults are reported via the airbag warning light.
Monitoring remains active even when the vehicle is stationary.
After an accident the control unit stores crash data and locks itself.
Why does the control unit 89170-12G12 fail?
After an accident, crash data remain in the 89170-12G12, and this is the most common cause, even if no airbag has deployed. A standard diagnostic tool cannot remove them. Aged components, cold solder joints, moisture and corrosion, and voltage spikes are also possible.
At Airbag24 the crash data are erased during the repair.
Aged electronics, cold solder joints, moisture at plugs and voltage spikes are the remaining causes. The latter arise for example from a weak battery or from a jump start.
How can you tell that the 89170-12G12 is defective?
The airbag warning light in the instrument cluster lights up permanently or only from time to time on the 89170-12G12, thereby indicating the problem. A fault message in the instrument cluster, a diagnostic tool without connection, or a fault memory that will not empty also point to it. In an emergency, airbags and seatbelt pretensioners may then fail to deploy.
The light shows the finding, which is why a prompt inspection makes sense.
A fault memory that will not empty also belongs in the hands of a qualified specialist.
Which vehicles is the 89170-12G12 fitted in?
The control unit 89170-12G12 is fitted in these vehicles: Toyota Corolla E170 (2013-2018).
The vehicles at a glance:
- Toyota Corolla E170 (2013-2018)
Comparing the label of the removed unit with this page ensures that you have the right unit. The cause is established only by the read-out fault memory, because it shows whether the control unit or a cable is affected.
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 89170-12G12 work?
The first step is reading out the fault memory of the 89170-12G12 with the enclosed log. Then you disconnect the battery, remove the unit, create the repair order online and send it in. At Airbag24, testing, repairing and checking usually takes 3–4 working days.
This sequence is binding for your safety. The control unit is removed only after the battery has been disconnected.
Airbag24 checks the unit, repairs defective components where necessary, erases the crash data and carries out a function test. Afterwards the unit comes back 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 89170-12G12 get to Airbag24?
You can send the 89170-12G12 as a parcel or book a UPS collection for an additional charge. After the repair, Airbag24 sends the unit back by UPS.
Enclose the printed repair order and pack the control unit shock-proof.
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.
Based on 254 reviews
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!“



