Airbag control unit with part number 52151823

What does the airbag control unit 52151823 do?

The unit 52151823 controls the SRS of Jeep. In a crash the airbag control unit decides within milliseconds which airbags and seatbelt pretensioners fire, and reports faults via the airbag warning light.

The manufacturer's number Bosch 0285015432 is additionally printed on the housing.

The unit monitors the crash sensors and the wires to the triggering elements continuously. After an accident it stores crash data and locks itself.

Why does the control unit 52151823 fail?

The most common cause: crash data from an accident, which is stored even if no airbag has deployed. Other causes are ageing electronics, cold solder joints, moisture, corrosion and voltage spikes.

A standard diagnostic tool cannot delete this crash data, so the cause remains stored in the unit.

The other causes affect the unit over time: components age, solder joints go cold, plug connections corrode. Voltage spikes arise, for example, from a weak battery or jump-starting. Which of these applies is shown by the fault memory.

How can you tell that the 52151823 is defective?

A defect shows up as the airbag warning light in the instrument cluster, which lights up permanently or intermittently. Likewise, an error message in the instrument cluster, a lack of connection to the diagnostic tool, or a fault memory that cannot be cleared indicates a problem.

Anyone who keeps an eye on the warning light notices faults early. The light reports every detected fault in the system, regardless of how minor it may seem.

In an emergency, airbags and seatbelt pretensioners may not trigger in the event of a defect on the control unit. Have the system checked promptly for this reason.

Which vehicles is the 52151823 fitted in?

The control unit 52151823 is fitted in these vehicles: Jeep Renegade BU Facelift (from 2018) and BU (2014-2018).

The recorded vehicles are listed directly below.

• Jeep Renegade BU Facelift (from 2018)
• Jeep Renegade BU (2014-2018)

Compare the part number on the label of the unit with this page, and you will know that it is the correct unit. Have the fault memory read out beforehand, because only it shows whether the control unit is defective or whether a plug or cable is causing the fault.

For the same vehicles, we also repair control units with the part numbers 52042475, 52061844, 68256081AA, 68256081AB.

How does the repair of the 52151823 work?

First have the fault memory read out and enclose the log. Then disconnect the battery, and only then remove the control unit. Next, create a repair order online and send the carefully packed unit in.

On the test bench, Airbag24 examines the unit and repairs the defective components. Stored crash data is deleted during this process, before a function test follows.

Checking, repairing and testing at Airbag24 usually take 3–4 working days. This time applies to Airbag24 alone.

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 52151823 get to Airbag24?

You send the control unit 52151823 as a parcel, or you book a UPS collection for an extra charge. After the repair it comes back to you by UPS.

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