Airbag control unit with part number P68186642AC

What does the airbag control unit P68186642AC do?

The airbag control unit P68186642AC is the central control unit of the restraint system (SRS) for Jeep. It evaluates the signals from the crash sensors and, in an accident, decides within milliseconds which airbags and seatbelt pretensioners are triggered. After an accident it stores crash data and locks itself.

The unit monitors the entire system continuously and reports faults via the airbag warning light in the instrument cluster. Triggering must be exact to the fraction of a second, so that the seatbelt pretensioner and airbag act in time in an emergency.

Why does the control unit P68186642AC fail?

The most common cause is crash data stored after an accident, even if no airbag has deployed. Other causes are aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes, for example from a weak battery or a jump start.

Crash data cannot be erased with a normal diagnostic tool, and that is exactly why the fault remains in the control unit.

The other causes affect the electronics and the connections in the vehicle. Moisture and corrosion attack the plug connections in particular, and voltage spikes place additional strain on the components.

How can you tell that the P68186642AC is defective?

The airbag warning light in the instrument cluster indicates a defect in control unit P68186642AC: it lights up permanently or intermittently, and an error message appears in the instrument cluster. Add to this a missing connection between the diagnostic tool and the control unit, and a fault memory that cannot be erased.

If these signs occur, the airbags and seatbelt pretensioners may fail to deploy in an emergency. Please have the system checked promptly.

Which vehicles is the P68186642AC fitted in?

The airbag control unit P68186642AC from Jeep is fitted in these vehicles: Jeep Compass MK (2007-2010) and MK Facelift (2011-2016).

The affected models at a glance:

• Jeep Compass MK (2007-2010)
• Jeep Compass MK Facelift (2011-2016)

Compare the part number on the label of the removed unit with this page. That only ensures that you have the right unit in front of you. Whether the control unit itself is defective or a plug or cable is the cause only becomes clear from the fault memory, which you have read out beforehand.

For the same vehicles, we also repair control units with the part numbers P68186642AD.

How does the repair of the P68186642AC work?

First comes reading out the fault memory; attach the log. Then disconnect the battery, and only then remove control unit P68186642AC. The checking, repairing and testing at Airbag24 usually take 3–4 working days.

Then you create a repair order online and send the well-packed unit. At Airbag24 it is checked, defective components are replaced, stored crash data is erased and a function test is carried out. These 3–4 working days apply only to checking, repairing and testing. Your own unit goes back to you afterwards.

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 P68186642AC get to Airbag24?

Control unit P68186642AC reaches Airbag24 by parcel or via a UPS collection booked for an extra charge. The return shipment after the repair is made by UPS.

Put the printed repair order into the parcel and pack the unit shockproof.