Airbag control unit with part number 89170-0DB00

What does the airbag control unit 89170-0DB00 do?

The airbag control unit 89170-0DB00 coordinates the SRS restraint system in Toyota. It processes the data from the crash sensors, determines in an impact which airbags and seatbelt pretensioners fire, and reports faults in the system.

As soon as the vehicle is switched on, monitoring runs without pause. As soon as an accident happens, the unit stores crash data and locks itself.

This function runs in the vehicle in the background, without you noticing it.

Why does the control unit 89170-0DB00 fail?

The most common cause is crash data that stays stored after an accident, even if no airbag fired. The usual diagnostic tool cannot deal with it; Airbag24 eliminates it during the repair. On the 89170-0DB00, further causes can also become weak points.

The other causes at a glance:

• electronic components that age over the years
• cold solder joints on the circuit board
• moisture and corrosion at plug connections
• voltage spikes, for example from a weak battery or a jump start

Loads like these act on the electronics and can trigger faults.

How can you tell that the 89170-0DB00 is defective?

The airbag warning light in the instrument cluster stays on permanently or only intermittently, a fault message appears in the instrument cluster, the diagnostic tool cannot reach the control unit 89170-0DB00, and the fault memory cannot be cleared.

The light is the sign you notice first in everyday use. In an emergency, airbags and seatbelt pretensioners may therefore not trigger.

Which vehicles is the 89170-0DB00 fitted in?

The control unit 89170-0DB00 is fitted in these vehicles: Toyota Yaris XP130 2nd Facelift (2017-2020), XP130 (2010-2014) and XP130 1st Facelift (2014-2017). Which of them matches your car, you can see from type and year of manufacture in the vehicle registration document.

Here are the vehicles in the overview:

• Toyota Yaris XP130 2nd Facelift (2017-2020)
• Toyota Yaris XP130 (2010-2014)
• Toyota Yaris XP130 1st Facelift (2014-2017)

A cross-check of the number on the device's label with this page makes clear which device it is, nothing more. What is decisive is the fault memory: it shows whether the control unit is defective or whether plugs or cables are affected, and it is therefore read out before removal.

For the same vehicles, we also repair control units with the part numbers 2310009950, 89170-0D300, 89170-0D320, 89170-0D590, 89170-0D600, 89170-0D620.

How does the repair of the 89170-0DB00 work?

Airbag24 usually processes the job within 3–4 working days. Beforehand you have the fault memory read out, enclose the log, disconnect the battery and remove the control unit 89170-0DB00, before you create the repair order online.

In the test bench the device is examined, defective components are replaced, the crash data is deleted and a function test is carried out. Afterwards your own device goes 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 89170-0DB00 get to Airbag24?

You send the device in as a parcel or have it collected by UPS for an extra charge. After the repair it comes back to you by UPS.

You place the printed repair order in the parcel, and you pack the device shock-proof.