Airbag control unit with part number 90582536

What does the airbag control unit 90582536 do?

The airbag control unit 90582536 is the central control unit of the restraint system (SRS) of Opel. It evaluates the signals from the crash sensors, decides within milliseconds in a crash which airbags and seatbelt pretensioners to trigger, and monitors the system continuously.

The crash sensors in the vehicle continuously supply measurements to the control unit. From these it derives whether an impact has occurred and which restraint devices must be activated. It shows reported faults via the airbag warning light in the instrument cluster.

After an accident the unit stores crash data and locks itself. If you have the control unit checked afterwards, this condition is one of the findings that stand out first during the check.

The manufacturer's number Continental 5WK4190 is additionally printed on the housing. Both details belong to the same unit.

Why does the control unit 90582536 fail?

The most common cause is crash data stored after an accident, even if no airbag was triggered; a normal diagnostic tool cannot delete it. Other causes include aged electronic components, cold solder joints, moisture and corrosion on plug connections, and voltage spikes.

The crash data remains in the unit's memory even if the vehicle is used afterwards.

The other causes lie in the electronics and the connections. Electronic components age over time, solder joints can be cold without any visible sign, and moisture with corrosion disturbs the contact at plug connections.

Voltage spikes occur, for example, with a weak battery or when jump-started. They stress the circuits in the control unit and can trigger faults.

How can you tell that the 90582536 is defective?

A defect shows mainly through the airbag warning light in the instrument cluster, which lights up continuously or intermittently, and through fault messages there. Add a diagnostic tool with no connection to the control unit and a fault memory that cannot be cleared.

In an emergency, airbags and seatbelt pretensioners may not trigger if there is a defect. That is why such an indication must be taken seriously.

The warning light shows the fault as soon as the control unit detects it. If the connection to the diagnostic tool is missing, the cause may also lie in cables or plugs.

Which vehicles is the 90582536 fitted in?

The 90582536 is fitted in these vehicles: Opel Zafira A (1999-2005).

The list shows the vehicles to which this part number fits.

• Opel Zafira A (1999-2005)

First compare the part number on the label of the removed unit with this page. That only ensures that it is the correct unit. Also have the fault memory read out beforehand, because only this result shows whether the control unit is defective or whether a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 09 229 303, 09 229 303 BG, 09229302, 13261676, 24416703, 24416704DM.

How does the repair of the 90582536 work?

First have the fault memory read out and attach the log; then disconnect the battery, and only then remove the control unit. Processing at Airbag24 usually takes 3–4 working days.

Then create a repair order online and send the unit in well packed. After receipt it is checked on the test bench, defective components are replaced, stored crash data is deleted and a function test is run. Afterwards your own unit is returned 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 90582536 get to Airbag24?

You send the unit 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 control unit shock-proof.