Airbag control unit with part number P68148044AB

What does the airbag control unit P68148044AB do?

The airbag control unit P68148044AB is the central control unit of the restraint system (SRS) for Jeep. It processes the signals from the crash sensors, decides in the event of an accident whether airbags and seatbelt pretensioners are triggered, and monitors the system continuously. Faults are reported via the airbag warning light.

Triggering is the decisive task, and it depends on the sensor data being evaluated correctly.

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

Why does the control unit P68148044AB fail?

The most common cause is crash data stored after an accident, even if no airbag has deployed. This data cannot be erased with a normal diagnostic tool. Other possible causes are aged components, cold solder joints, moisture and corrosion, and voltage spikes.

The other causes in detail:

• aged electronic components
• cold solder joints
• moisture and corrosion at plug connections
• voltage spikes, for example from a weak battery or jump-starting

Which of these causes is actually present only becomes clear when the unit is tested.

How can you tell that the P68148044AB is defective?

A defect in the P68148044AB shows up as the airbag warning light in the instrument cluster, which stays on permanently or intermittently. In addition, an error message appears, the diagnostic tool cannot reach the control unit, and the fault memory cannot be cleared.

In such a case, airbags and seatbelt pretensioners may not deploy in an emergency. The warning light makes the condition visible, so you should act promptly.

A single indication is enough to have the system checked.

Which vehicles is the P68148044AB fitted in?

The control unit P68148044AB is fitted in vehicles from Jeep: Jeep Compass MK (2007-2010) and MK Facelift (2011-2016).

An overview of the vehicles:

• 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, so you can be sure you have the right unit. Whether the fault lies in the control unit or a plug or cable is causing it only becomes clear when the fault memory is read out. Please have this read out beforehand.

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

How does the repair of the P68148044AB work?

First have the fault memory read out and attach 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 tests the unit on the test bench, replaces defective components, erases stored crash data and carries out a function test. Your own unit is then returned to you.

Processing at Airbag24 usually takes 3–4 working days; this applies only to the inspection, repair and testing at Airbag24. 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 P68148044AB get to Airbag24?

You send the control unit P68148044AB in as a parcel, or book a UPS collection for an extra charge. After the repair, Airbag24 sends it back to you by UPS.

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