Airbag control unit with part number 8200481128

What does the airbag control unit 8200481128 do?

The airbag control unit 8200481128 is the central control unit of the restraint system (SRS) for Renault. It evaluates the signals from the crash sensors and decides within milliseconds which airbags and seatbelt pretensioners are triggered. After an accident it stores crash data and locks itself.

The system monitors the unit itself continuously. Detected faults are displayed via the airbag warning light in the instrument cluster.

Why does the control unit 8200481128 fail?

The most common cause is crash data stored after an accident, even if no airbag has deployed. A normal diagnostic tool cannot erase them. Other causes are aged electronic components, cold solder joints, moisture and corrosion on plug connections, and voltage spikes, for example with a weak battery or jump-starting.

An error from the crash data persists even if the vehicle drives perfectly after the accident. The other triggers act on the electronics over a longer period.

How can you tell that the 8200481128 is defective?

A fault shows up at the airbag warning light in the instrument cluster, which stays lit constantly or intermittently, at an error message there, and at a fault memory that cannot be cleared. In an emergency, airbags and seatbelt pretensioners may then fail to deploy.

The warning light in particular is the one that catches the eye in everyday life. A fault memory can only be read out with the diagnostic tool if the connection to the control unit is established.

Which vehicles is the 8200481128 fitted in?

The airbag control unit 8200481128 is fitted in these vehicles: Renault Mégane II (2002-2009).

The following list names the models in which this unit was installed.

• Renault Mégane II (2002-2009)

Compare the part number on the label of the removed unit with this page. This way you can see that it is the right unit. Also have the fault memory read out beforehand, because only this result shows whether the control unit is defective or whether a plug or cable is affected.

For the same vehicles, we also repair control units with the part numbers 8200257044E, 8200337245, 8200337247, 8200412026, 8200412026B, 8200682381.

How does the repair of the 8200481128 work?

First have the fault memory read out and enclose the log. Then disconnect the battery, and only then remove the control unit. Next create a repair order online and send the unit off well packed.

Airbag24 checks the unit on the test bench, replaces defective components, deletes stored crash data and carries out a function test. The repaired unit of your own is then returned to you.

Processing at Airbag24 usually takes 3–4 working days. 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 8200481128 get to Airbag24?

You send the control unit 8200481128 as a parcel, or you book a UPS collection for an extra charge. After the repair Airbag24 sends it back by UPS.

Put the printed repair order into the parcel and pack the unit shock-resistant.