Airbag control unit with part number 285583384R

What does the airbag control unit 285583384R do?

The airbag control unit 285583384R controls the restraint system (SRS) of Renault. In a crash it decides within milliseconds whether airbags and seatbelt pretensioners are triggered, and it monitors the system during operation.

The signals from the crash sensors converge here. If the unit detects a fault, it reports it via the airbag warning light in the instrument cluster.

A crash causes the unit to store crash data and lock itself.

Why does the control unit 285583384R fail?

The most common cause with the 285583384R is crash data stored after a crash, even if no airbag has triggered. Further possible causes include aged electronic components, cold solder joints, moisture and corrosion at connectors, and voltage spikes.

A standard diagnostic tool cannot delete the crash data. Airbag24 therefore removes it as part of the repair.

Voltage spikes, such as from a weak battery or when connected to a jump-start, stress the electronics. Moisture and corrosion also disrupt the electrical contact.

How can you tell that the 285583384R is defective?

A defect in the 285583384R shows up as the airbag warning light in the instrument cluster lighting up constantly or intermittently. In addition, a fault message may appear in the instrument cluster, the diagnostic tool cannot find the control unit, and the fault memory cannot be cleared.

In that case, the airbags and seatbelt pretensioners may fail to trigger in an emergency. A prompt check of the system is therefore advisable.

Which vehicles is the 285583384R fitted in?

The control unit 285583384R is installed in this vehicle from Renault: Renault Mégane III (2008-2016). The information applies to the unit with exactly this part number.

These vehicles belong to the assignment:

• Renault Mégane III (2008-2016)

Comparing the part number on the label with this page only ensures that the unit is the right one. Have the fault memory read beforehand, because only this result shows whether the control unit is itself defective or whether a connector or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 285581365R, 8200962388, 985105478R.

How does the repair of the 285583384R work?

First have the fault memory read out and attach the log. Then disconnect the battery, then remove the 285583384R and create a repair order online. Finally, pack the unit well and send it in.

Airbag24 checks the unit on the test bench, replaces defective components and carries out a functional test. Processing usually takes 3–4 working days. Afterwards your own unit is sent 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 285583384R get to Airbag24?

You send the control unit 285583384R as a parcel or book a UPS collection for an extra charge. Airbag24 sends it back to you by UPS after the repair.

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