Airbag control unit with part number P68186648AA

What does the airbag control unit P68186648AA do?

The airbag control unit P68186648AA is the central SRS control unit for Jeep. It processes the signals from the crash sensors and controls which airbags and seatbelt pretensioners are triggered in a crash within milliseconds.

The system checks itself continuously. Detected faults are shown by the airbag warning light.

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

Why does the control unit P68186648AA fail?

Stored crash data is the most common cause with the P68186648AA, and this applies even if no airbag has fired. A standard diagnostic tool cannot erase this data. Aged components, cold solder joints, moisture and corrosion, and voltage spikes are also possible causes.

The crash data is held in the memory of the control unit itself.

The other causes affect the electronics. Aging and cold solder joints impair connections, moisture and corrosion attack plug connections, and voltage spikes occur, for example, with a weak battery or a jump start.

How can you tell that the P68186648AA is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently if there is a defect in the P68186648AA. The instrument cluster also shows an error message, the diagnostic tool gets no connection to the control unit, and the fault memory cannot be cleared.

As long as these signs persist, airbags and seatbelt pretensioners may not trigger in an emergency. This applies regardless of how the vehicle behaves in everyday use.

It is advisable to have the system checked promptly.

Which vehicles is the P68186648AA fitted in?

The control unit P68186648AA is fitted in these vehicles: Jeep Patriot MK (2007-2010) and MK Facelift (2010-2016). You can check whether your car is among them by make, model and year of construction.

The vehicles are listed below:

• Jeep Patriot MK (2007-2010)
• Jeep Patriot MK Facelift (2010-2016)

Comparing the part number on the label of the unit with this page only confirms that you have the right unit. Whether the control unit is defective or a plug or cable is the cause is shown only by the fault memory. Therefore, have it read out before removal.

For the same vehicles, we also repair control units with the part numbers 68232710AD, P68148039AB, P68186646AA, P68232716AC, P68232716AD.

How does the repair of the P68186648AA work?

When removing the P68186648AA, 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 unit in well packed.

Airbag24 checks the unit on the test bench, replaces defective components, erases stored crash data and carries out a function test. Afterwards, your unit is returned to you.

Processing at Airbag24 usually takes 3–4 working days, and this time covers only checking, repairing and testing.

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 P68186648AA get to Airbag24?

You send the P68186648AA as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 sends it back by UPS.

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