Airbag control unit with part number 8200272530

What does the airbag control unit 8200272530 do?

The airbag control unit 8200272530 forms the central control of the SRS restraint system for Renault. It processes the signals from the crash sensors, decides within milliseconds in an accident about triggering airbags and seatbelt pretensioners, and monitors the entire system continuously.

If the unit detects a fault, it reports it via the airbag warning light. After an accident it also stores crash data and locks itself.

The sensors supply only measured values; the decision about triggering rests with the control unit. That is why the function of the entire system depends on this one unit.

Why does the control unit 8200272530 fail?

The most common reason is crash data stored after an accident, even without a triggered airbag; these cannot be removed with a normal diagnostic tool. Also possible are aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes, for example from a weak battery or a jump start.

Stored data remain in the unit until they are deliberately removed. A fault can therefore appear long after the accident, without the accident still being visible.

Aged components, cold solder joints and corrosion develop over a longer period. Moisture at plug connections also acts gradually, and voltage spikes from the vehicle electrical system come in as a brief additional influence.

How can you tell that the 8200272530 is defective?

A defect shows itself when the airbag warning light in the instrument cluster is permanently or intermittently lit, an error message appears, the diagnostic tool cannot establish a connection to the control unit, or the fault memory cannot be erased.

While the light is on, airbags and seatbelt pretensioners may possibly fail to trigger in an emergency. This applies regardless of how the vehicle behaves in everyday use.

The warning light is there to make a defect visible as soon as the system detects it. A readout of the fault memory then provides information about the type of entry.

Which vehicles is the 8200272530 fitted in?

The 8200272530 is fitted in these vehicles: Renault Master II (1997-2010).

The models are listed below at a glance:

• Renault Master II (1997-2010)

Two steps are worthwhile before removal. Compare the part number on the label of the unit with this page to make sure it is the right unit. Have the fault memory read out, because only this result shows whether the control unit itself is defective or whether a plug or cable is the cause.

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

How does the repair of the 8200272530 work?

First have the fault memory read out and enclose the log; then disconnect the battery and remove the control unit. Next create a repair order online and send in the well-packed unit. Airbag24 takes over the testing and repair from there.

At the test bench Airbag24 examines the unit. Defective components are repaired, stored crash data are erased, and a function test is carried out.

Processing at Airbag24 usually takes 3–4 working days. After that you receive your own unit back.

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 8200272530 get to Airbag24?

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

Put the printed repair order into the parcel and pack the control unit shock-proof.