Airbag control unit with part number 89170-0DA80

What does the airbag control unit 89170-0DA80 do?

On Toyota, the airbag control unit 89170-0DA80 controls the restraint system (SRS). It evaluates the signals from the crash sensors, decides in an emergency within milliseconds whether airbags and seatbelt pretensioners are triggered, and monitors the entire system. After an accident it stores crash data and locks itself.

If the unit detects a fault, it displays this via the airbag warning light in the instrument cluster. The crash data remain as an entry in the unit until they are removed.

Why does the control unit 89170-0DA80 fail?

The stored crash data from an accident are the most common cause, even if no airbag has deployed. They cannot be deleted with a standard diagnostic tool. Aged electronics, cold solder joints, moisture at plug connections and voltage spikes are also possible.

Electronic components age, and solder joints change over time as well. Voltage spikes arise, for example, from a weak battery or from a jump start, and put a strain on the electronics accordingly.

How can you tell that the 89170-0DA80 is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently, along with an error message and no connection between the diagnostic tool and the control unit. The fault memory also cannot be cleared. Airbags and seatbelt pretensioners may then possibly fail to deploy in an emergency.

• Airbag warning light on permanently or intermittently
• Error message in the instrument cluster
• Diagnostic tool without connection to the control unit
• Fault memory cannot be cleared

If you notice such signs, have the system checked promptly.

Which vehicles is the 89170-0DA80 fitted in?

The airbag control unit 89170-0DA80 is fitted in these vehicles: Toyota Yaris XP130 2nd Facelift (2017-2020), XP130 (2010-2014) and XP130 1st Facelift (2014-2017).

The overview below lists the vehicles recorded for this part number:

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

You can compare the label of the removed unit with this page at any time; it confirms that you have the matching unit in front of you. However, you should have the fault memory read out before removal, so that it becomes visible whether the control unit or a plug or cable is the cause.

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 89170-0DA80 work?

First have the fault memory read out and enclose the log. Next disconnect the battery, and only then remove the control unit. Then create a repair order online and send the unit in packed. Processing at Airbag24 takes 3–4 working days.

At Airbag24 the unit is first checked on the test bench. Defective components are replaced, the stored crash data are deleted and a function test is carried out. After that your own unit returns to you.

The order of the steps during removal is there for your safety.

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 89170-0DA80 get to Airbag24?

You send the unit as a parcel or, for an extra charge, book a UPS collection. Airbag24 sends it back to you by UPS after the repair.

The printed repair order goes into the parcel, and you pack the unit shock-resistant.