Airbag control unit with part number 8200964578

What does the airbag control unit 8200964578 do?

The airbag control unit 8200964578 is the central controller of the restraint system (SRS) on Renault. It checks the crash sensors, determines within milliseconds which airbags and seatbelt pretensioners to trigger in a collision, and monitors the entire system. It reports faults via the airbag warning light.

While driving, the unit runs in the background. It stores irregularities in the fault memory so that a workshop can read them out.

After an accident it secures crash data and locks itself.

Why does the control unit 8200964578 fail?

Crash data stored in the 8200964578 is most often the reason, even if no airbag was deployed; ordinary diagnostic tools cannot erase it. Other causes include aged components, cold solder joints, moisture and corrosion at plug connectors, and voltage spikes, such as from a weak battery or jump-starting.

Crash data arises from an accident, even when no airbag fired. The unit stores it nonetheless.

The other causes develop over a longer period. Electronics age, plug connectors corrode, and solder joints can turn cold.

How can you tell that the 8200964578 is defective?

Defects on the 8200964578 first show up at the airbag warning light in the instrument cluster, which lights permanently or intermittently. A fault message also appears in the instrument cluster, the diagnostic tool cannot connect to the control unit and the fault memory cannot be cleared. In an emergency, airbags and seatbelt pretensioners may then fail to deploy.

This warning light points directly to the fault. Have it checked rather than ignoring it.

Which vehicles is the 8200964578 fitted in?

The control unit 8200964578 is fitted in these vehicles: Renault Kangoo II (2008-2021). Whether your vehicle is meant can be determined by checking the vehicle papers.

The vehicles follow:

• Renault Kangoo II (2008-2021)

Comparing the part number on the label of the removed unit with this page ensures it is the correct unit. Having the fault memory read out beforehand shows whether the control unit is the cause or whether a connector or cable is affected; this step therefore comes first.

For the same vehicles, we also repair control units with the part numbers 2840211503, 8200 656 329, 8200656331, 8201 229 153 A, 8201 475 929, 8201025624.

How does the repair of the 8200964578 work?

First have the fault memory for 8200964578 read out. Then disconnect the battery, only after that remove the control unit and send it in, well packed, after creating a repair order online. Processing at Airbag24 usually takes 3–4 working days.

At Airbag24 the unit you send in is checked on the test bench, damaged components are replaced and the crash data is erased. A function test follows, then your unit is returned.

Keep to this sequence, as it serves your safety. 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 8200964578 get to Airbag24?

Sending 8200964578 is done as a parcel or via a UPS collection for an extra charge. After the repair, Airbag24 returns the unit to you by UPS.

The printed repair order goes with the parcel; pack the unit shock-resistantly.