Airbag control unit with part number 89170-0DB30

What does the airbag control unit 89170-0DB30 do?

The airbag control unit 89170-0DB30 is the central switching point of the restraint system (SRS) in Toyota. Based on the sensor signals it decides in a crash which airbags and seatbelt pretensioners trigger, and it monitors the entire system. Faults appear via the airbag warning light.

Monitoring runs without interruption in the background and also detects smaller deviations. These are recorded in the fault memory.

After an accident, the unit stores crash data and locks itself.

Why does the control unit 89170-0DB30 fail?

Stored crash data from an accident are most often the cause, even if no airbag has deployed. In addition come aged components, cold solder joints, moisture and corrosion on plugs, and voltage spikes, for example with a weak battery or jump start.

A standard diagnostic tool cannot erase this crash data. Airbag24 erases it as part of the repair, so that the cause can then be examined specifically.

The other influences affect electronics and contacts over the long term.

How can you tell that the 89170-0DB30 is defective?

A defect shows itself through an airbag warning light in the instrument cluster that stays on permanently or intermittently, through a fault message, or through a missing connection between the diagnostic tool and the control unit. A fault memory that cannot be cleared also points to it.

Then airbags and seatbelt pretensioners may not trigger in an emergency. Have such indications checked promptly.

Which vehicles is the 89170-0DB30 fitted in?

The control unit 89170-0DB30 is fitted in these vehicles: Toyota Yaris XP130 2nd Facelift (2017-2020), XP130 (2010-2014) and XP130 1st Facelift (2014-2017). Anyone who wants to check the removed unit first compares the label with this page.

The vehicles in which this part number was fitted:

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

Comparing with this page ensures that it is the correct unit. Whether the control unit itself is defective or a connector or cable is the cause is shown only by the fault memory, which you have read out beforehand.

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 89170-0DB30 work?

First have the fault memory read out and attach the log. Then disconnect the battery, remove the control unit and create a repair order online. Processing at Airbag24 usually takes 3–4 working days.

Airbag24 checks the unit on the test bench, repairs defective components, erases the crash data and carries out a function test. Then, after you have sent it in well packed, 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 89170-0DB30 get to Airbag24?

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

You put the printed repair order into the parcel and pack the unit shock-resistant.