Airbag control unit with part number 8200177654

What does the airbag control unit 8200177654 do?

As the central control unit, the airbag control unit 8200177654 coordinates the restraint system (SRS) for Renault. It evaluates the signals from the crash sensors, decides within milliseconds in an accident which airbags and seatbelt pretensioners to trigger, and monitors the system continuously. After an accident, it stores crash data and locks itself.

It reports faults via the airbag warning light in the instrument cluster. This lets you, as the driver, recognise that something is wrong with the restraint system. The safety of the occupants therefore depends largely on this control unit.

Why does the control unit 8200177654 fail?

Stored crash data is the most common cause; a standard diagnostic tool cannot erase it from the 8200177654. With this control unit, erasing the crash data is often not possible; if you want it erased, contact Airbag24 briefly before sending the unit in, and Airbag24 will then check the part number. Other causes are ageing of the electronics, moisture and corrosion, and voltage spikes.

Crash data is also stored when no airbag has deployed.

Aged electronic components, cold solder joints and moisture at plug connections are also possible causes. Voltage spikes, for example from a weak battery or jump-starting, also put strain on the unit.

How can you tell that the 8200177654 is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently as soon as a fault occurs in the 8200177654. Fault messages in the instrument cluster accompany it: 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. Therefore, have the finding checked promptly. The underlying cause cannot be determined from these signs alone. Signs of this kind should not be ignored.

Which vehicles is the 8200177654 fitted in?

The control unit 8200177654 is fitted in this vehicle: Renault Trafic II (2001-2014). To check whether your car is one of them, use the vehicle list on this page.

The following vehicles are listed for this part number:

• Renault Trafic II (2001-2014)

You should still compare the labels, as this shows whether it is the correct unit. Whether the control unit is faulty or a connector or cable is the cause is shown only by the fault memory. Therefore, have it read out beforehand.

For the same vehicles, we also repair control units with the part numbers 608361600E, 7701071459, 8200435339, 8200676895E, 8200727514E, 8200959859.

How does the repair of the 8200177654 work?

First have the fault memory read out and enclose the log, then disconnect the battery and only afterwards remove the 8200177654. Next, create a repair order online and send in the unit, well packed. Processing at Airbag24 usually takes 3–4 working days.

Airbag24 checks the unit on the test bench, repairs defective components and carries out a functional test. It is then returned to you. If you want the crash data erased, contact Airbag24 briefly before sending the unit in.

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 8200177654 get to Airbag24?

You send the 8200177654 in 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 unit shock-resistant. Make sure the parcel is securely sealed.