Airbag control unit with part number 89170-06201

What does the airbag control unit 89170-06201 do?

The 89170-06201 is the airbag control unit that controls the SRS restraint system of Toyota. It checks the crash sensors and, in an accident, decides within milliseconds which airbags and seatbelt pretensioners to trigger.

Monitoring runs continuously in the background. If the unit detects a fault, the airbag warning light comes on.

An accident causes crash data to be stored, and the control unit locks itself.

Why does the control unit 89170-06201 fail?

The 89170-06201 most often fails because of crash data that stayed in the memory after an accident, even without an airbag deploying. Added to this are aged components, cold solder joints, moisture and corrosion at plug connectors, and voltage spikes, for example from a jump start.

This data stays in the memory and cannot be erased with a common diagnostic tool.

Besides this, ageing and wear of the electronics, poorly connected solder joints and moisture at the plugs play a role. A weak battery can also cause voltage spikes.

How can you tell that the 89170-06201 is defective?

On the 89170-06201, a defect shows through the airbag warning light in the instrument cluster, which lights up permanently or intermittently. Fault messages in the instrument cluster and problems with diagnosis also indicate it.

Typical signs:

• Airbag warning light on permanently or intermittently
• Fault message in the instrument cluster
• Diagnostic tool cannot establish a connection to the control unit
• Fault memory cannot be erased

In that case, airbags and seatbelt pretensioners may fail to deploy in an emergency. Have the cause clarified promptly.

Which vehicles is the 89170-06201 fitted in?

Compare your car with the list before you do anything. The control unit 89170-06201 is fitted in these vehicles: Toyota Camry XV40 (2006-2011).

These vehicles are on record for us for this part number:

• Toyota Camry XV40 (2006-2011)

Comparing the part number on the label of the unit with this page only tells you about the identity of the unit. Whether the control unit is defective or a plug or cable causes the fault is clarified only by reading out the fault memory, which you should have done beforehand.

For the same vehicles, we also repair control units with the part numbers 89170-06A40.

How does the repair of the 89170-06201 work?

First have the fault memory read out and keep the log. Then disconnect the battery and remove the 89170-06201. Next, create the repair order online and send in the unit. Airbag24 checks and repairs it, replaces defective components, erases crash data and carries out a function test before your own unit is sent back.

Allow usually 3–4 working days; this covers only testing, repair and function test with us.

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 89170-06201 get to Airbag24?

You send the 89170-06201 control unit to Airbag24 as a parcel, or you have it collected by UPS for an extra charge. Airbag24 sends the unit back to you by UPS after the repair.

Enclose the printed repair order in the parcel. Make sure the unit is packed shockproof.