Airbag control unit with part number 52017663

What does the airbag control unit 52017663 do?

The airbag control unit 52017663 controls the restraint system (SRS) with airbags and seatbelt pretensioners at Jeep. It evaluates the sensor signals, decides in a crash within milliseconds on triggering and monitors the system continuously. After an accident it stores crash data and locks itself.

In addition, the number Bosch 0285012776 is printed on the housing. It helps with comparing against the label, but it does not replace checking the fault memory.

Why does the control unit 52017663 fail?

On the 52017663, the most common cause is an entry with crash data from an accident, even if no airbag has deployed. An ordinary diagnostic tester cannot make this data disappear. In addition, aged electronic components, cold solder joints, moisture with corrosion at plug connections and voltage spikes from jump-starting can disturb the unit.

The entry therefore stays in memory until the repair removes it.

The other causes relate to age and the environment. Electronics age, solder joints react sensitively, and moisture attacks the contacts. Voltage spikes at start-up add to the strain.

How can you tell that the 52017663 is defective?

A defect on the 52017663 becomes visible through noticeable signs that you notice in the vehicle or on the diagnostic tool. These are above all the warning light and fault messages. In an emergency, airbags and seatbelt pretensioners may then fail to trigger.

The signs at a glance:

• The airbag warning light in the instrument cluster lights up permanently or intermittently.
• A fault message appears in the instrument cluster.
• The diagnostic tool gets no connection to the control unit.
• The fault memory cannot be cleared.

Have such a finding checked promptly, even if the light only lights up intermittently.

Which vehicles is the 52017663 fitted in?

The 52017663 is fitted in several Jeep vehicles that are assigned to this part number. Specifically, these vehicles are: Jeep Renegade BU Facelift (from 2018) and BU (2014-2018).

Directly below you will find the list, and you can compare your vehicle with it straight away.

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

A comparison of the part number on the label with this page only confirms that it is the right unit. Whether the control unit is defective or whether a plug or a cable is the cause is shown only by reading out the fault memory beforehand.

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

How does the repair of the 52017663 work?

First have the fault memory read out and enclose the log, then disconnect the battery and only then remove the 52017663. Afterwards create a repair order online and send in the well-packed unit.

Airbag24 checks the unit on the test bench and repairs defective components, erases stored crash data and carries out a function test.

Processing at Airbag24 usually takes 3–4 working days.

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 52017663 get to Airbag24?

You can send the 52017663 as a parcel or have it collected by UPS for an extra charge. After the repair, Airbag24 sends the unit back to you by UPS.

Pack the unit shock-proof and enclose the printed repair order.