Airbag control unit with part number 89170-0C460

What does the airbag control unit 89170-0C460 do?

The airbag control unit 89170-0C460 is the restraint system control unit in vehicles from Toyota. It evaluates the signals from the crash sensors, triggers airbags and seatbelt pretensioners in an accident, and monitors the entire system continuously.

The unit indicates faults via the airbag warning light. After an accident it stores crash data and locks itself.

The monitoring runs unobtrusively in the background as long as no fault is present.

Why does the control unit 89170-0C460 fail?

The most common cause with the 89170-0C460 is crash data from an accident, even if no airbag has deployed; an ordinary diagnostic tool cannot erase it. Other causes are aged components, cold solder joints, moisture and corrosion, and voltage spikes.

The crash data remains stored regardless of whether the accident triggered an airbag.

Other causes include, among others:

• Electronic components that age over the years
• Solder joints that have gone cold
• Moisture and corrosion on plug connections
• Voltage spikes, for example from a weak battery or jump-starting

How can you tell that the 89170-0C460 is defective?

The airbag warning light in the instrument cluster stays on permanently or intermittently. In addition an error message appears, a diagnostic tool does not find control unit 89170-0C460, and the fault memory persists. In an emergency, airbags and seatbelt pretensioners may then fail to deploy.

The light coming on is the system's own message: it has detected a fault.

If the light stays on or keeps coming back, have the system checked promptly.

Which vehicles is the 89170-0C460 fitted in?

The listing is based on part number 89170-0C460. The unit is found in these vehicles: Toyota Tundra K30 (2007-2021).

These vehicles are on record:

• Toyota Tundra K30 (2007-2021)

A part number on the removed unit tells you whether you have the right unit if it matches the details on this page. Whether the control unit is defective or a connector or cable is the cause is clarified only by the fault memory read out beforehand.

For the same vehicles, we also repair control units with the part numbers 89170-0C440, 89170-0C450, 89170-0C451, 89170-0C452, 89170-0C490, 89170-0C581.

How does the repair of the 89170-0C460 work?

First have the fault memory read out and attach the log to the unit. Then disconnect the battery and only afterwards remove the control unit. Next, create a repair order online and send the unit in well packed.

Airbag24 first examines the unit, replaces defective components, erases the stored crash data and then checks the function.

Processing usually takes 3–4 working days. Afterwards you get your own repaired unit back. 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 89170-0C460 get to Airbag24?

You send control unit 89170-0C460 as a parcel, or you book a UPS collection for an extra charge. Airbag24 handles the return of the unit by UPS after the repair.

Pack the printed repair order into the box and pack the control unit shock-proof.