Airbag control unit with part number 285587230R

What does the airbag control unit 285587230R do?

For Renault, the airbag control unit 285587230R is the central control unit of the restraint system (SRS). It evaluates the crash sensors, decides in an accident within fractions of a second on the triggering of airbags and seatbelt pretensioners, and monitors the system continuously. It shows faults via the airbag warning light.

Monitoring runs in the background, and faults end up in the fault memory.

After an accident, the unit stores crash data and locks itself. The lock is only lifted by the repair.

Why does the control unit 285587230R fail?

The most common cause on the 285587230R is crash data stored after an accident, even if no airbag has deployed. A normal diagnostic tool cannot erase it, but Airbag24 deletes it during the repair. Other causes are aged electronic components, cold solder joints, moisture and corrosion at plug connectors, and voltage spikes.

Crash data records what the control unit registered during the accident. An airbag having deployed is not necessary for this.

Components age over time, and cold solder joints can cause contact problems.

Moisture and corrosion impair the contact at plug connectors. Voltage spikes, for example from a weak battery or a jump start, put additional strain on the electronics. Which cause applies in each case is only clarified by reading out the fault memory together with an examination of the unit.

How can you tell that the 285587230R is defective?

The airbag warning light in the instrument cluster lights up on the 285587230R, either permanently or intermittently. A fault message also appears in the instrument cluster, the diagnostic tool gets no connection to the control unit, and the fault memory cannot be cleared.

In an emergency, the airbags and seatbelt pretensioners may then fail to deploy.

A lit warning light is therefore a reason to have the system checked promptly.

Which vehicles is the 285587230R fitted in?

The control unit 285587230R is fitted in these vehicles: Renault Mégane III (2008-2016). The list shows which vehicles are affected.

These vehicles are listed:

• Renault Mégane III (2008-2016)

First compare the part number on the label of the removed unit with this page. This only makes sure that you have the right unit in front of you. Also have the fault memory read out before removal, because only this result shows whether the control unit is 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 285587230R work?

First have the fault memory read out and enclose the log, then disconnect the battery and remove the control unit. Then create a repair order online and send the unit in, well packed. Airbag24 checks the 285587230R on the test bench, replaces defective components, deletes the stored crash data and carries out a function test; processing at Airbag24 usually takes 3–4 working days.

The order of these steps is mandatory for safety reasons.

The order applies to every removal from the vehicle. You do not delete the crash data yourself; the repair at Airbag24 takes care of that.

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 285587230R get to Airbag24?

You send the control unit 285587230R in as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 returns it by UPS.

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