Airbag control unit with part number 8200280991

What does the airbag control unit 8200280991 do?

The airbag control unit 8200280991 is the central control unit of the restraint system (SRS) of Renault. It detects an accident from the crash sensors and triggers the appropriate airbags and seatbelt pretensioners within milliseconds. At the same time, it checks the system continuously and shows faults via the airbag warning light.

When an accident is registered, the unit stores crash data and then locks itself. This function is part of the system's design.

Why does the control unit 8200280991 fail?

The most common cause: crash data stored after an accident, even if no airbag was triggered. Other causes include aged components, cold solder joints, moisture and corrosion, and voltage spikes.

Further causes at a glance:

• aged electronic components
• cold solder joints
• moisture and corrosion on plug connections
• voltage spikes, for example with a weak battery or jump start

A normal diagnostic tool cannot erase crash data. That is why this point comes first during the check.

How can you tell that the 8200280991 is defective?

The airbag warning light lights up permanently or intermittently in the instrument cluster, an error message appears, the diagnostic tool gets no connection to the control unit, and the fault memory cannot be cleared. In an emergency, airbags and seatbelt pretensioners may then not trigger.

• The airbag warning light stays on or flickers.
• An error message appears in the instrument cluster.
• The diagnostic tool does not establish a connection to the control unit.
• The fault memory cannot be cleared.

If you notice such signs, take the vehicle to a workshop promptly, because the warning light already reports the fault.

Which vehicles is the 8200280991 fitted in?

A look at the list shows whether your model is affected. The airbag control unit 8200280991 is fitted in these vehicles: Renault Scénic II (2003-2009); Renault Mégane II (2002-2009).

The vehicles for this part number:

• Renault Scénic II (2003-2009)
• Renault Mégane II (2002-2009)

There are a few points to check before you send it in. Comparing the part number on the label of the removed unit with this page only confirms that it is the correct unit. Having the fault memory read out, on the other hand, shows whether the control unit is defective or whether a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 603989700, 607993600, 8200257044E, 8200321999, 8200337245, 8200337247.

How does the repair of the 8200280991 work?

First have the fault memory read out and the log attached. Then disconnect the battery, only then remove the control unit, and create a repair order online. Processing at Airbag24 usually takes 3–4 working days.

At Airbag24 the unit is examined on the test bench. Defective components are replaced, stored crash data is erased and a function test is carried out. Your own, repaired unit is then 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 8200280991 get to Airbag24?

Your unit goes to Airbag24 as a parcel, or you book a UPS collection for an extra charge. Airbag24 sends it back to you by UPS after the repair.

Include the printed repair order in the parcel and pack the unit shockproof.