Airbag control unit with part number 8200375209

What does the airbag control unit 8200375209 do?

The airbag control unit 8200375209 belongs to the restraint system (SRS) of Renault and is its central control. It captures the signals from the crash sensors and determines in an accident which airbags and seatbelt pretensioners are triggered. This decision is made within milliseconds.

The unit monitors all components of the system permanently during operation. If it detects a deviation, it switches on the airbag warning light in the instrument cluster.

After an accident the unit stores crash data, after which it is locked.

Why does the control unit 8200375209 fail?

The most common cause is crash data stored after an accident, even if no airbag was triggered. An ordinary diagnostic scanner does not remove it. Further triggers for the 8200375209 are aged electronics, cold solder joints, moisture and corrosion on plugs, and voltage spikes.

The control unit keeps this crash data in its memory. Airbag24 deletes it as part of the repair.

The other causes lie in the electronics themselves or in their surroundings. Components age, solder joints on the circuit board can go cold, and moisture or corrosion affects the plug connections.

Voltage spikes, for example from a weak battery or a jump start, put additional strain on the unit.

How can you tell that the 8200375209 is defective?

A defect shows up on the 8200375209 as the airbag warning light in the instrument cluster, which lights up permanently or from time to time, together with an error message. In an emergency, airbags and seatbelt pretensioners may therefore possibly not trigger.

In addition, the diagnostic tool cannot establish a connection to the control unit, and the fault memory cannot be cleared. Such features argue for having the system checked.

The warning light makes the condition visible. React to it promptly rather than ignoring the display.

Which vehicles is the 8200375209 fitted in?

Installed in these vehicles is the control unit 8200375209: Renault Scénic II (2003-2009); Renault Grand Scénic II (2003-2009).

The following list gives the vehicles with their details:

• 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; that confirms that it is the correct unit. Whether the control unit itself is defective or whether a plug or cable causes the problem is shown only by the fault memory. Have it read out before removal.

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 8200375209 work?

At the start the fault memory is read out, and its log is enclosed with the unit. Only after that do you disconnect the battery and remove the control unit 8200375209. Finally, create the repair order online and send the unit to us well packed.

Airbag24 checks the unit on the test bench, replaces defective components, deletes the 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 period covers only checking, repairing and testing.

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 8200375209 get to Airbag24?

You send the control unit as a parcel or book a UPS collection for an extra charge. The return after the repair is made by UPS.

Pack the unit shockproof and enclose the printed repair order.