Airbag control unit with part number 86250-38081

What does the airbag control unit 86250-38081 do?

The airbag control unit 86250-38081 coordinates the restraint system (SRS) in the SsangYong car. In an impact it evaluates the sensors and decides within milliseconds which airbags and seatbelt pretensioners trigger. After an accident it stores crash data and locks itself.

It monitors the circuits continuously and displays faults via the airbag warning light.

The lock only ends once the repair is complete.

Why does the control unit 86250-38081 fail?

The most common cause is crash data that stays stored after an accident, even if no airbag has fired. A normal diagnostic tool cannot erase it. Other causes are aging electronics, cold solder joints, moisture and corrosion as well as voltage spikes.

Stored crash data comes from an impact, and whether an airbag fires plays no role in that storage.

Aging electronics and cold solder joints lead to contact faults. Moisture and corrosion attack plug connections.

Voltage spikes from a weak battery or a jump-start stress the circuit.

How can you tell that the 86250-38081 is defective?

The airbag warning light in the instrument cluster stays on permanently or intermittently. In addition a fault message appears, the diagnostic tool cannot find the control unit, and the fault memory cannot be cleared.

As long as the fault persists, the airbags and seatbelt pretensioners may not be able to trigger in an emergency.

The light shows that something is wrong. Reading out the fault memory reveals the cause.

Which vehicles is the 86250-38081 fitted in?

The 86250-38081 is fitted in these vehicles: SsangYong Rexton Y450 (from 2021) and Y400 (2017-2020).

Here you see the list of vehicles in which this part number is recorded:

• SsangYong Rexton Y450 (from 2021)
• SsangYong Rexton Y400 (2017-2020)

Compare the part number on the label of the removed unit with this page. This only ensures that it is the right unit. Have the fault memory read out beforehand, because only that result shows whether the control unit is defective or a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 86250-38040.

How does the repair of the 86250-38081 work?

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

Airbag24 checks the unit on the test bench, repairs defective components, erases stored crash data and carries out a function test. Afterwards the unit goes back 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 86250-38081 get to Airbag24?

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

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