Airbag control unit with part number 89170-0DC10

What does the airbag control unit 89170-0DC10 do?

The airbag control unit 89170-0DC10 manages the restraint system (SRS) of Toyota. It evaluates the crash sensors, decides in an accident within milliseconds which airbags and seatbelt pretensioners are triggered, and monitors the system continuously. It reports faults via the airbag warning light.

To do this, it checks the lines and sensors connected to the unit. It recognises faults itself and displays them.

After an accident, it stores crash data and locks itself. The repair lifts the lock.

Why does the control unit 89170-0DC10 fail?

Stored crash data is the most common cause of a failure on 89170-0DC10, even if no airbag was triggered in the accident. Added to this are aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes, for example from a weak battery or jump-starting.

Crash data cannot be erased with a normal diagnostic tool. Airbag24 erases it during the repair.

The other causes concern the electronics and their connections. Aged components and solder joints can trigger faults, while moisture, corrosion and voltage spikes additionally load the connections and components.

How can you tell that the 89170-0DC10 is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently when there is a defect on 89170-0DC10. An error message also appears in the instrument cluster, and the diagnostic tool does not find the control unit.

In addition, the fault memory cannot be cleared. Airbags and seatbelt pretensioners may not be able to deploy in an emergency as long as the fault persists.

The light shows this fault and calls for a check.

Which vehicles is the 89170-0DC10 fitted in?

A look at the vehicle list helps with comparing it to your car. The airbag control unit 89170-0DC10 is fitted in these vehicles: Toyota Yaris XP130 2nd Facelift (2017-2020), XP130 (2010-2014) and XP130 1st Facelift (2014-2017).

The vehicles in which this unit occurs are listed in this overview:

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

Compare the part number on the label of the removed unit with this page, so that you know it is the right unit. Have the fault memory read out beforehand, because its result alone shows whether the control unit or a plug or cable is affected.

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 89170-0DC10 work?

For 89170-0DC10, first have the fault memory read out and attach the log. Then disconnect the battery and only then remove the unit. Create a repair order online and pack the unit well before sending it in.

Airbag24 checks the control unit on the test bench, replaces defective components, erases stored crash data and carries out a function test. Checking, repairing and testing at Airbag24 usually take 3–4 working days.

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 89170-0DC10 get to Airbag24?

You send the unit 89170-0DC10 as a parcel, or you book a UPS collection for an extra charge. Airbag24 then returns it to you by UPS.

The printed repair order belongs in the parcel, and you pack the unit shock-proof.