Airbag control unit with part number 00052027042

What does the airbag control unit 00052027042 do?

The airbag control unit 00052027042 is the evaluation unit of the restraint system (SRS) in Fiat vehicles. It receives signals from the crash sensors, decides in an emergency within milliseconds whether airbags and seatbelt pretensioners are triggered, and checks the system continuously. Faults appear via the airbag warning light.

The electronics record detected faults in the fault memory, which a workshop can have read out.

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

Why does the control unit 00052027042 fail?

Stored crash data are the most common cause, even if no airbag has triggered, and a normal diagnostic tool does not erase them. With the 00052027042, aged components, cold solder joints, moisture and corrosion at plug connectors as well as voltage spikes also come into consideration.

The crash data remain in the unit after an accident, and Airbag24 erases them during the repair.

The other causes at a glance:

• Electronic components that age over time
• Cold solder joints
• Moisture and corrosion at plug connectors
• Voltage spikes, for example from a weak battery

How can you tell that the 00052027042 is defective?

A defect in the 00052027042 first shows up through the airbag warning light in the instrument cluster, which stays on constantly or lights up at intervals. In addition there may be messages in the display, a diagnostic tool without connection and a fault memory that cannot be emptied. In an emergency, airbags and seatbelt pretensioners may fail to trigger.

Pay particular attention to these signs:

• Warning light constantly on or active at intervals
• Messages in the instrument cluster
• Diagnostic tool cannot reach the control unit
• Fault memory cannot be emptied

If you notice such signs, a workshop appointment in good time is advisable.

Which vehicles is the 00052027042 fitted in?

The control unit 00052027042 is fitted in these vehicles: Fiat Tipo 356 (2016-2020). Comparing the part number on the unit with this page only confirms that it is the right unit.

The list of vehicles follows:

• Fiat Tipo 356 (2016-2020)

Before any further steps, have the fault memory read out. The log shows whether the control unit is defective or whether a plug or a cable is the cause.

For the same vehicles, we also repair control units with the part numbers 00052090728, 156348104, 208055, 52017547.

How does the repair of the 00052027042 work?

Before removal, the fault memory is read out and the log is enclosed with the unit. Then you disconnect the battery, and only after that remove the 00052027042. Online you create the repair order and send the unit in well packed. Processing at Airbag24 usually takes 3–4 working days.

This sequence must be observed for safety reasons.

Airbag24 inspects the unit, replaces defective components, erases crash data and carries out a function test. Afterwards Airbag24 sends the unit back 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 00052027042 get to Airbag24?

You can send the control unit 00052027042 in as a parcel, or choose UPS collection for an extra charge. The return shipment by UPS takes place once the repair is complete.

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