Airbag control unit with part number 52186059

What does the airbag control unit 52186059 do?

The airbag control unit 52186059 controls the restraint system (SRS) for Fiat. It evaluates the crash sensors, decides in a crash within milliseconds on the triggering of airbags and seatbelt pretensioners, and monitors the system continuously. It indicates faults via the airbag warning light.

The unit's housing additionally bears the manufacturer's number Bosch 0285015994. This information helps match the removed unit, but says nothing about its function.

After an accident the control unit stores crash data and locks itself.

Why does the control unit 52186059 fail?

Stored crash data is the most common cause on the 52186059, even when no airbag has triggered. A normal diagnostic tool cannot erase it. Other causes are aged electronic components, cold solder joints, moisture and corrosion at connectors, and voltage spikes.

The crash data remains stored in the unit until Airbag24 removes it during the repair.

The remaining causes concern the electronics. Components age, solder joints can go cold, and moisture or corrosion at connectors disturbs the signal transmission. A weak battery or jump-starting can also cause voltage spikes.

How can you tell that the 52186059 is defective?

A defect on the 52186059 shows itself through the airbag warning light in the instrument cluster, which lights up permanently or intermittently. In addition there is a fault message in the instrument cluster, no connection from the diagnostic tool to the control unit, or a fault memory that cannot be cleared.

During a fault, airbags and seatbelt pretensioners may possibly not trigger in an emergency. The warning light gives this notice precisely so that it is not overlooked.

Therefore have the display checked promptly. A check then clarifies whether the control unit or another component is affected.

Which vehicles is the 52186059 fitted in?

The control unit 52186059 is fitted in these vehicles: Fiat Doblo 263 (2010-2015) and 263 Facelift (2015-2022). The overview shows which vehicles are recorded for this number.

The list gives the vehicles that are stored in our data for this number.

• Fiat Doblo 263 (2010-2015)
• Fiat Doblo 263 Facelift (2015-2022)

Matching the part number on the label of the removed unit with this page ensures that you have the right unit. Beforehand you should have the fault memory read out, because only this record shows whether the control unit is defective or whether a connector or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 285010656, 285010857, 51810463, 51881770, 51976890.

How does the repair of the 52186059 work?

Have the fault memory read out and attach the log. Then disconnect the battery and only then remove the control unit 52186059. Then create a repair order online and send the unit in well packed. Processing at Airbag24 usually takes 3–4 working days.

At Airbag24 the team checks the unit on the test bench, repairs defective components and erases stored crash data. A function test follows, and then your own unit goes back to you.

The stated processing time covers only checking, repairing and testing at Airbag24. Removal and shipping are not included. 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 52186059 get to Airbag24?

The unit goes to Airbag24 as a parcel, or you arrange a UPS collection for an extra charge. After the repair Airbag24 sends the control unit 52186059 back by UPS.

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