Airbag control unit with part number 8200280994

What does the airbag control unit 8200280994 do?

The unit 8200280994 is the airbag system control unit for Renault and determines the triggering of airbags and seatbelt pretensioners. It evaluates the signals from the crash sensors, decides within milliseconds in an accident and stores crash data after an accident. Afterwards it locks itself.

While driving it checks the components continuously. If it discovers a fault, the airbag warning light in the instrument cluster lights up, and a fault entry is stored in the memory.

The electronics and the lines to the sensors and seatbelt pretensioners must work flawlessly for this. Even one disturbed connection can impair the function.

Why does the control unit 8200280994 fail?

Stored crash data from an earlier accident is the most common cause for the 8200280994, even if no airbag has fired. Added to this are ageing electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes in the vehicle electrics.

Crash data cannot be erased with a normal diagnostic tool. Airbag24 erases it during repair; a diagnostic tool cannot do that.

The remaining causes act over time or through external influences on the electronics. Only the test shows in the individual case which of them applies.

How can you tell that the 8200280994 is defective?

A defect in the 8200280994 shows on the airbag warning light in the instrument cluster, which lights up permanently or intermittently, or through a fault message. Then the airbags and seatbelt pretensioners may not be able to deploy in a crash.

In addition, a hint from the diagnostic tool: if no connection to the control unit can be established, or the fault memory stays full even after an attempt to clear it, that points to a fault which you should have checked.

The warning light reports the fault as soon as the system detects it. If you see it lit, take the vehicle for a test promptly.

Which vehicles is the 8200280994 fitted in?

The 8200280994 was fitted in these vehicles: Renault Scénic II (2003-2009); Renault Mégane II (2002-2009).

The overview comes from our data on this part number.

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

Compare the label of your removed unit with this part number beforehand; that only clarifies whether it is the right unit. Also have the fault memory read out before you remove anything, because the log shows whether the control unit is defective itself or whether a connector 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 8200280994 work?

You read out the fault memory of the 8200280994 and attach the log. Then disconnect the battery, only then remove the control unit, create a repair order online and pack the unit well before sending it in.

Airbag24 tests the unit on the test bench, repairs defective components, erases stored crash data and carries out a function test. The unit then goes back to you.

Processing at Airbag24 usually takes 3–4 working days. This time covers only testing, repairing and checking at Airbag24.

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 8200280994 get to Airbag24?

You can send the control unit 8200280994 as a parcel or book a collection by UPS for an extra charge. After the repair Airbag24 sends it back by UPS.

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