Airbag control unit with part number 8200682388

What does the airbag control unit 8200682388 do?

The airbag control unit 8200682388 manages the restraint system of Renault. It measures the crash sensors, triggers airbags and seatbelt pretensioners within milliseconds in a crash and checks the system continuously. It shows faults via the airbag warning light.

The unit responds to the sensor values and at the same time monitors all connected components.

After a crash, it writes crash data to the memory and locks itself. Only the repair lifts the lock.

Why does the control unit 8200682388 fail?

Stored crash data is the most common cause, even if no airbag was triggered; a normal diagnostic tool cannot erase it. Further causes come into question in brief: aged electronics, cold solder joints, moisture on plugs and voltage peaks.

• aged electronic components
• cold solder joints on the circuit board
• moisture and corrosion at plug connectors
• voltage peaks, for example with a weak battery or a jump start

Crash data remains in the memory until it is specifically removed. As a result, the fault memory keeps the entry.

How can you tell that the 8200682388 is defective?

The airbag warning light lights up permanently or intermittently when a defect is present. Other signs include a fault message in the instrument cluster, no connection to the diagnostic tool, and a fault memory that cannot be cleared.

In that case the airbags and seatbelt pretensioners may fail to trigger in an emergency. Such a finding requires a precise investigation.

Reading out the fault memory serves exactly this purpose.

Which vehicles is the 8200682388 fitted in?

The airbag control unit 8200682388 is fitted in these vehicles: Renault Mégane II (2002-2009).

The following vehicles are assigned to the control unit:

• Renault Mégane II (2002-2009)

Comparing the part number on the label of the removed unit with this page is done to make sure that the unit is the right one; it does no more than that. Whether the control unit is defective or a plug and cables are responsible is shown only by the fault memory read out beforehand.

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

How does the repair of the 8200682388 work?

Processing at Airbag24 usually takes 3–4 working days. Beforehand you have the fault memory read out, disconnect the battery and remove the control unit; then you create a repair order online and send the unit in.

Airbag24 checks the unit on the test bench, replaces defective components, erases crash data and carries out a function test.

Afterwards your own 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 8200682388 get to Airbag24?

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

Pack the unit shock-resistant and enclose the printed repair order.