Airbag control unit with part number 00052090727

What does the airbag control unit 00052090727 do?

The airbag control unit 00052090727 is the central control unit of the restraint system (SRS) in Chrysler and Fiat. It evaluates the crash sensors, determines the triggering of airbags and seatbelt pretensioners in an accident, and monitors the system continuously.

To do this, it checks the connections to sensors and triggers.

If the unit detects a fault, it shows this via the airbag warning light in the instrument cluster. After an accident, it stores crash data and locks itself. Only the repair lifts the lock.

Why does the control unit 00052090727 fail?

Most often the cause is crash data from an accident, even if no airbag has deployed. A normal diagnostic tool cannot remove it from the memory. Ageing, moisture and voltage spikes can also affect the unit.

Crash data remains in the unit until Airbag24 erases it during the repair.

• Aged electronic components
• Cold solder joints
• Moisture and corrosion at plug connections
• Voltage spikes, for example from a weak battery or a jump start

How can you tell that the 00052090727 is defective?

A defect in the 00052090727 shows up as an airbag warning light that stays on permanently or intermittently, as fault messages in the instrument cluster, as a missing diagnostic connection to the control unit, or as a fault memory that cannot be cleared. In that case, airbags and seatbelt pretensioners may not trigger in an emergency.

• Airbag warning light, on permanently or intermittently
• Fault message in the instrument cluster
• Diagnostic tool does not establish a connection to the control unit
• Fault memory cannot be cleared

Signs like these directly affect the protective function, so a prompt check is necessary.

Which vehicles is the 00052090727 fitted in?

The 00052090727 is fitted in these vehicles: Chrysler Neon 3rd generation (2016-2021); Fiat Tipo 356 (2016-2020) and 356 Facelift (from 2020).

The vehicles that belong to this part number are listed below:

• Chrysler Neon 3rd generation (2016-2021)
• Fiat Tipo 356 (2016-2020)
• Fiat Tipo 356 Facelift (from 2020)

Comparing the part number with the label on the removed unit only confirms that you have the right unit. Have the fault memory read out beforehand, because it 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 00052090728, 156348104, 208055, 52017547.

How does the repair of the 00052090727 work?

Processing at Airbag24 usually takes 3–4 working days, covering testing, repairing and function testing. Beforehand, you read out the fault memory, enclose the log and disconnect the battery before removing the control unit.

Then you create a repair order online and send the unit in well packed.

Airbag24 checks the unit on the test bench, repairs damaged components, erases the stored crash data and carries out a function test. After that, your own unit is returned 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 00052090727 get to Airbag24?

You send the control unit 00052090727 as a parcel, or you book a UPS collection for an extra charge. The return by UPS follows after the repair.

The printed repair order goes into the parcel; you pack the unit so that it is shock-resistant.