Airbag control unit with part number 89170-06800

What does the airbag control unit 89170-06800 do?

The airbag control unit 89170-06800 is the central control of the restraint system (SRS) in Toyota vehicles. It processes the signals from the crash sensors and decides in an accident, within milliseconds, which airbags and seatbelt pretensioners to trigger. It also checks the system constantly.

A detected fault is stored in the fault memory and reported via the warning light. After an accident, the unit creates crash data; afterwards it stays locked.

Why does the control unit 89170-06800 fail?

With the 89170-06800, the most common cause is that crash data was stored after an accident, even if no airbag deployed. A standard diagnostic tool cannot delete this data. Other causes are ageing electronic components, cold solder joints, moisture and corrosion at plug connectors, and voltage spikes.

The crash data remains in the unit even if the vehicle appears to run normally again. It cannot be deleted with the diagnostic tool, so the fault entry also remains.

The other causes act over time. Electronic components age, solder joints can go cold, and moisture or corrosion attack the plug connectors. Voltage spikes, for example from a weak battery or jump-starting, are also possible.

How can you tell that the 89170-06800 is defective?

You can recognise a defect in the 89170-06800 by the airbag warning light, which stays on permanently or intermittently, and by a fault message in the instrument cluster. If a diagnostic connection is not possible, or the fault memory cannot be cleared, that likewise points to a fault. In an emergency, airbags and seatbelt pretensioners may fail to deploy.

The warning light checks the system after the ignition is switched on. If it does not go out afterwards or comes back, that points to a fault which you should have clarified promptly.

Diagnostic problems and a fault memory that keeps its entry are among the indications. On their own, however, they do not yet answer the question of which part is affected.

Which vehicles is the 89170-06800 fitted in?

The control unit 89170-06800 is fitted in these vehicles: Toyota Camry XV70 (2017-2020) and XV70 Facelift (2020-2024). The result the fault memory returns determines whether the unit is actually defective.

The list of vehicles follows in the overview:

• Toyota Camry XV70 (2017-2020)
• Toyota Camry XV70 Facelift (2020-2024)

Comparing the part number on the label with this page protects against confusion. The fault memory then clarifies the cause, because it shows whether the control unit is defective or whether a plug or a cable is the cause.

For the same vehicles, we also repair control units with the part numbers 150800-2310, 89170-06770, 89170-06B21.

How does the repair of the 89170-06800 work?

First have the fault memory read out and enclose the log, then disconnect the battery and remove the control unit. Then create the repair order online and pack the unit well. At Airbag24, processing usually takes 3–4 working days.

This sequence is for safety. Removal only takes place once the battery has been disconnected beforehand.

Airbag24 checks the unit on the test bench, replaces defective components, deletes the stored crash data and carries out a functional test. Afterwards your own unit is returned 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 89170-06800 get to Airbag24?

You send the unit as a parcel to Airbag24, or you book a UPS collection for an extra charge. After the repair, the control unit 89170-06800 is returned to you by UPS.

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