Airbag control unit with part number 89170-47760

What does the airbag control unit 89170-47760 do?

For Toyota, the airbag control unit 89170-47760 takes over control of the SRS. To do so, it reads the crash sensors, makes the decision in an impact within milliseconds and monitors the system continuously. It reports any faults it finds to the airbag warning light.

An accident causes the control unit to store crash data and then lock itself. During operation, it checks the connections and sensors continuously.

In an emergency, this interplay determines which airbags and seatbelt pretensioners actually fire.

Why does the control unit 89170-47760 fail?

The most common cause is crash data stored after an accident, even if the airbag did not deploy. A standard diagnostic tool cannot retrieve this data from the memory, whereas Airbag24 removes it during the repair.

Other causes in general are aged electronic components, cold solder joints, and moisture and corrosion at plug connections.

Voltage spikes, for example from a weak battery or a jump start, also stress the electronics.

How can you tell that the 89170-47760 is defective?

The airbag warning light in the instrument cluster is the most important warning signal: it lights up permanently or intermittently when something is wrong with the 89170-47760. In addition, there is an error message in the instrument cluster, no connection to the diagnostic tool, and a fault memory that cannot be cleared.

If the control unit detects a fault, airbags and seatbelt pretensioners may not deploy in an emergency.

A specialist check is therefore the reliable way to clarify the situation.

Which vehicles is the 89170-47760 fitted in?

The 89170-47760 is fitted in these vehicles: Toyota Prius IV XW50 (2015-2018) and IV XW50 Facelift (2018-2022).

The list below shows which vehicles this part number is stored for.

• Toyota Prius IV XW50 (2015-2018)
• Toyota Prius IV XW50 Facelift (2018-2022)

Comparing the part number on the label of the removed unit with this page only confirms that you have the right unit. Have the fault memory read out beforehand, because only the log shows whether the control unit itself is defective or whether a plug or cable is causing the fault.

For the same vehicles, we also repair control units with the part numbers 89170-47030, 89170-47611.

How does the repair of the 89170-47760 work?

First have the fault memory read out and attach the log, then disconnect the battery and remove the control unit. Next, create the repair order online and send in the well-packed unit. At Airbag24, testing, repairing and checking usually take 3–4 working days before your own unit is returned.

In detail, Airbag24 checks the unit on the test bench, replaces defective components, deletes the stored crash data and carries out a function test.

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 89170-47760 get to Airbag24?

You send the control unit 89170-47760 as a parcel, or have it collected by UPS for an extra charge. Airbag24 handles the return after the repair by UPS.

The printed repair order is enclosed in the parcel, and the unit is packed so that it is shock-resistant.