
Airbag control unit with part number 89170-12D30
Control unit repairs for part number 89170-12D30 in our shop:

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Part number “89170-12D30” 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 89170-12D30 do?
The airbag control unit 89170-12D30 controls the triggering of airbags and seatbelt pretensioners in the restraint system for Toyota. It evaluates the signals from the crash sensors and decides in an accident within milliseconds. It also checks the system continuously.
If the unit detects a fault, it causes the airbag warning light in the instrument cluster to come on. After a crash, it writes crash data to its memory and then locks itself.
Why does the control unit 89170-12D30 fail?
The most common cause is stored crash data from an accident, even if no airbag has triggered. Further causes on the 89170-12D30 are aged electronic components, cold solder joints, moisture and corrosion at plug connectors, and voltage spikes.
A normal diagnostic tool cannot erase crash data. During the repair at Airbag24, the crash data is removed, and the other causes are narrowed down on the test bench.
How can you tell that the 89170-12D30 is defective?
A defect mainly shows itself at the airbag warning light in the instrument cluster, which lights up permanently or intermittently. These signs can also be present:
- fault message in the instrument cluster
- diagnostic tool finds no connection to the control unit
- fault memory cannot be cleared
In an emergency, airbags and seatbelt pretensioners may then fail to trigger. A finding like this therefore requires prompt checking.
Which vehicles is the 89170-12D30 fitted in?
The control unit 89170-12D30 is fitted in these vehicles: Toyota Corolla E170 (2013-2018).
Here is the list of vehicles for this part number:
- Toyota Corolla E170 (2013-2018)
The important points are these. Compare the part number on the label of the removed unit with this page to make sure it is the correct unit. The actual cause is determined by the fault memory, which you have read out beforehand, as it shows whether the control unit itself or a plug or 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 89170-12D30 work?
First have the fault memory read out and enclose the log, then disconnect the battery. Only then remove the control unit 89170-12D30, create the repair order online and send in the well-packed unit.
At Airbag24 the unit is examined on the test bench; where necessary, defective components are replaced, the crash data is deleted and a function test is carried out. Processing usually takes 3–4 working days before your own unit is returned.
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 89170-12D30 get to Airbag24?
You send the 89170-12D30 to us as a parcel, or alternatively book a UPS collection for an extra charge. After the repair, the unit is returned by UPS.
Pack the unit shock-proof and enclose the printed repair order.
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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„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…“
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„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.“
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„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“
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„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.“
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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 fi…“
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