Airbag control unit with part number 52151395

What does the airbag control unit 52151395 do?

The airbag control unit 52151395 is the central control unit of the restraint system (SRS) for Jeep. It evaluates the signals from the crash sensors, decides in a crash within milliseconds on the triggering of airbags and seatbelt pretensioners, and monitors the system continuously.

The manufacturer's number Bosch 0285015426 is additionally printed on the housing. The unit reports faults via the airbag warning light in the instrument cluster.

After an accident it stores crash data and locks itself.

Why does the control unit 52151395 fail?

Stored crash data from an accident is the most common cause of a failure of the control unit 52151395, even if no airbag was triggered. A normal diagnostic tool cannot erase it. Other causes are ageing of the electronics, cold solder joints, moisture and corrosion on connectors, and voltage spikes.

The crash data remains stored until it is erased. The other causes concern the electronics themselves and their environment: moisture and corrosion attack the contacts, and cold solder joints can disturb the connection.

Voltage spikes, for example from a weak battery or a jump start, are a further possible strain.

How can you tell that the 52151395 is defective?

The airbag warning light in the instrument cluster indicates a defect on the control unit 52151395 when it stays on permanently or intermittently. A fault message in the instrument cluster, a missing connection of the diagnostic tool or a fault memory that cannot be cleared also indicate this. In an emergency the airbags and seatbelt pretensioners may then fail to deploy.

The light therefore shows the fault directly in the vehicle.

A diagnosis with the diagnostic tool gives further information about the cause.

Which vehicles is the 52151395 fitted in?

The control unit 52151395 is fitted in these vehicles: Jeep Renegade BU Facelift (from 2018) and BU (2014-2018).

The vehicles individually:

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

Compare the part number on the label of the removed unit with this page. This only makes sure that you have the right unit. Have the fault memory read out beforehand: only this result shows whether the control unit is defective or a connector or cable is the cause.

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

How does the repair of the 52151395 work?

First have the fault memory read out and enclose the log, then disconnect the battery and only then remove the control unit 52151395. Next, create a repair order online and send the well-packed unit in. Processing at Airbag24 usually takes 3–4 working days.

Airbag24 examines the unit on the test bench, repairs defective components, erases stored crash data and carries out a function test. Afterwards the 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 52151395 get to Airbag24?

You send the control unit 52151395 as a parcel to Airbag24, or you book a UPS collection for an extra charge. After the repair it comes back to you by UPS.

The printed repair order goes into the parcel, and the unit must be packed shockproof.