Airbag control unit with part number 8200401303

What does the airbag control unit 8200401303 do?

The airbag control unit 8200401303 is the central switching point of the restraint system (SRS) of Renault. It evaluates the signals from the crash sensors and, in the event of an impact, decides within milliseconds which airbags and seatbelt pretensioners are triggered.

During operation, the unit checks whether all components work plausibly. If it detects a deviation, it reports this via the airbag warning light in the instrument cluster.

If it has been subjected to stress by an accident, it records crash data and then locks itself.

Why does the control unit 8200401303 fail?

Stored crash data is the most common cause with the 8200401303, even if no airbag has deployed. A normal diagnostic tool cannot remove this data. Aged electronics, cold solder joints, corrosion on plug connectors and voltage spikes are also possible causes.

A crash record remains in memory even if the vehicle appears to work perfectly afterwards. That is why the cause of a failure may not be obvious at first glance.

Moisture on the plugs is a typical weak point, as are voltage spikes from a weak battery or a jump start. Airbag24 erases the crash data during the repair, and the inspection establishes which of the other causes is present.

How can you tell that the 8200401303 is defective?

The 8200401303 shows a defect through the airbag warning light in the instrument cluster, which lights up permanently or only intermittently. A fault message may also appear in the instrument cluster, or the diagnostic tool may find no connection to the control unit. In an emergency, airbags and seatbelt pretensioners may then not deploy.

If the diagnostic tool remains without a connection, communication with the control unit is disturbed and an inspection is necessary.

A fault memory that cannot be cleared remains as a warning. Take it seriously and have the system checked.

Which vehicles is the 8200401303 fitted in?

The airbag control unit 8200401303 is fitted in these vehicles: Renault Scénic II (2003-2009); Renault Grand Scénic II (2003-2009).

The following list shows the vehicles registered for this part number.

• Renault Scénic II (2003-2009)
• Renault Grand Scénic II (2003-2009)

Compare the part number on the label of the removed unit with this page; this only ensures that you have the correct unit. Have the fault memory read out beforehand, because the result shows whether the control unit is defective or whether a cable or connector is causing the fault.

For the same vehicles, we also repair control units with the part numbers 285583229R, 603989700, 607993600, 8200340431, 8200411013, 8200412042A.

How does the repair of the 8200401303 work?

First have the fault memory read out and attach the log. Then disconnect the battery before removing the control unit 8200401303. Next, create a repair order online and send in the unit, packed well.

At Airbag24, a test bench checks the unit, defective components are replaced, the stored crash data is erased and a function test is carried out. We normally need 3–4 working days for this. 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 8200401303 get to Airbag24?

You send the control unit 8200401303 as a parcel to Airbag24 or book a UPS collection for an extra charge. The return shipment is made by UPS.

Pack the printed repair order into the parcel and pack the unit shockproof.