Airbag control unit with part number P68148044AC

What does the airbag control unit P68148044AC do?

The airbag control unit P68148044AC is the central control unit of the restraint system (SRS) for Jeep. It evaluates the signals from the crash sensors and decides within milliseconds in an accident which airbags and seatbelt pretensioners are triggered. At the same time, it monitors the system continuously and shows faults via the airbag warning light.

The evaluation runs entirely inside the unit. The crash sensors supply measurements continuously, and the control unit checks whether they match a dangerous impact. No intervention by the driver is needed for this.

After an accident, the unit stores crash data and locks itself. The repair lifts this lock.

Why does the control unit P68148044AC fail?

The most common cause for control unit P68148044AC is stored crash data, 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 jump-starting.

Crash data cannot be erased with a normal diagnostic tool. Airbag24 erases it during the repair.

The other causes concern the electronics and their connections. Aged components and cold solder joints can cause malfunctions, while moisture and corrosion disturb the contact at plug connections.

How can you tell that the P68148044AC is defective?

The airbag warning light in the instrument cluster lights up on P68148044AC permanently or intermittently, and an error message appears in the instrument cluster. The diagnostic tool finds no connection to the control unit, and the fault memory cannot be cleared.

In an emergency, airbags and seatbelt pretensioners may then fail to deploy. The light is therefore a signal you should take seriously.

The display reports that the system has detected a fault, but it does not name the cause. For that, the fault memory has to be read out.

Which vehicles is the P68148044AC fitted in?

Before you send anything in, it is worth checking against your own vehicle. The airbag control unit P68148044AC is fitted in these vehicles: Jeep Compass MK (2007-2010) and MK Facelift (2011-2016).

The vehicles in detail:

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

Two steps are worthwhile in advance. Compare the part number on the label of the removed unit with this page; this only ensures that you have the right unit in front of you. Also have the fault memory read out, because only the result shows whether the control unit is defective or whether a plug or a cable is the cause.

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

How does the repair of the P68148044AC work?

First have the fault memory read out and attach the log to the unit, then disconnect the battery and only then remove control unit P68148044AC. Afterwards you create a repair order online and send the well-packed unit in. Checking, repairing and testing take 3–4 working days at Airbag24 as a rule.

Airbag24 checks the control unit on the test bench, replaces defective components, erases stored crash data and carries out a function test. Afterwards your own 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 P68148044AC get to Airbag24?

You send control unit P68148044AC to Airbag24 as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 sends it back to you by UPS.

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