Airbag control unit with part number 8200272529

What does the airbag control unit 8200272529 do?

At Renault, the airbag control unit 8200272529 coordinates the restraint system. Using the crash sensors, it detects an impact, determines in a flash which airbags and seatbelt pretensioners to trigger, and monitors the system continuously. It indicates faulty states via the airbag warning light.

The system works throughout every journey. After an accident, the unit stores crash data and locks itself.

Why does the control unit 8200272529 fail?

The most common cause is crash data stored after an accident, even if no airbag has deployed; a standard diagnostic tool does not delete it. In addition there are aged components, cold solder joints, moisture and corrosion at plugs, and voltage spikes, for example from a weak battery or a jump start.

The other triggers develop over a longer period: components age, solder joints become brittle, and moisture degrades the contact.

How can you tell that the 8200272529 is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently. This is accompanied by an error message; the diagnostic tool finds no connection to the control unit, and the fault memory cannot be cleared.

Typical signs are:

• The airbag warning light flashes or stays on constantly.
• An error message appears in the instrument cluster.
• The diagnostic tool cannot reach the control unit.
• Stored faults cannot be reset.

In an emergency, the airbags and seatbelt pretensioners may then not deploy, so prompt inspection is advisable.

Which vehicles is the 8200272529 fitted in?

The airbag control unit 8200272529 is fitted in these vehicles: Renault Master II (1997-2010).

The following vehicles are listed for this part number:

• Renault Master II (1997-2010)

Matching the part number on the label with this page confirms the right unit, nothing more. Whether the control unit is defective or a plug or cable is the cause is established only by the fault memory, which you should have read out beforehand.

For the same vehicles, we also repair control units with the part numbers 605045200, 8200098404, 8200381668, 8201001327.

How does the repair of the 8200272529 work?

At Airbag24, testing, repairing and testing usually take 3–4 working days. Your steps in this order: have the fault memory read out, disconnect the battery, remove the control unit and create a repair order online.

Enclose the fault memory log with the securely packed unit and send it in.

Airbag24 inspects the unit, replaces defective components, deletes stored crash data and carries out a function test. 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 8200272529 get to Airbag24?

You take care of the route to Airbag24 with a parcel or with a UPS collection booked for an extra charge. The unit is returned by UPS as well.

The printed repair order goes into the parcel, and the unit is packed shock-resistant.