Airbag control unit with part number 0285001472

What does the airbag control unit 0285001472 do?

The airbag control unit 0285001472 controls the restraint system (SRS) for Volkswagen. It evaluates the crash sensors and, in a crash, decides within milliseconds which airbags and seatbelt pretensioners are triggered.

The unit monitors the system continuously and shows faults via the airbag warning light in the instrument cluster.

After a crash it stores crash data and locks itself.

Why does the control unit 0285001472 fail?

The most common cause is crash data that stays stored after an accident, even if no airbag has deployed; an ordinary diagnostic tool cannot erase it. Other possible causes are ageing electronic components, cold solder joints, moisture and corrosion on plug connectors, and voltage spikes.

Crash data comes first because it is the most common cause. Airbag24 clears it during the repair.

Electronic components age over time, and solder joints can go cold. Moisture and corrosion at plug connectors disturb the contact.

Voltage spikes occur, for example, with a weak battery or jump-starting. Only the fault memory shows which cause applies.

How can you tell that the 0285001472 is defective?

A defect shows through the airbag warning light in the instrument cluster, which stays on permanently or intermittently, through error messages in the instrument cluster, through a diagnostic tool without connection to the control unit, and through a fault memory that cannot be cleared. Airbags and seatbelt pretensioners may then fail to deploy in an emergency.

The warning light is the sign you notice first. It shows the defect, so take every message seriously and have the system checked promptly.

If a diagnostic tool finds no connection to the control unit, that is a further sign that a check is needed.

Which vehicles is the 0285001472 fitted in?

The assignment refers to Volkswagen. The control unit 0285001472 is fitted in these vehicles: Volkswagen Touareg 7L Facelift (2006-2010) and 7L (2002-2006).

The vehicles in detail:

• Volkswagen Touareg 7L Facelift (2006-2010)
• Volkswagen Touareg 7L (2002-2006)

Compare the part number on the label of the removed unit with this page, which only ensures that it is the correct unit. Also have the fault memory read out beforehand. Only that 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 0 285 001 733, 3D0 909 601 D, 3D0 909 601 E, 3D0909601F, 7L0959655, 7L0959655A.

How does the repair of the 0285001472 work?

First have the fault memory read out and enclose the log. Then disconnect the battery and only afterwards remove the control unit. Create a repair order online, then send in the well-packed unit. Processing at Airbag24 usually takes 3–4 working days.

At the test bench, Airbag24 examines the unit, renews defective components, clears stored crash data and carries out a function test. Your own unit then comes 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 0285001472 get to Airbag24?

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

Enclose the printed repair order with the parcel, and pack the unit shock-resistant.