Airbag control unit with part number P68148045AD

What does the airbag control unit P68148045AD do?

The airbag control unit P68148045AD is the central control unit of the restraint system (SRS) for Jeep. It evaluates the signals from the crash sensors, decides within milliseconds in an accident whether airbags and seatbelt pretensioners are triggered, and monitors the system continuously. After an accident it stores crash data and locks itself.

The crash sensors supply the unit with the measured values from which it derives the severity of an impact and selects the appropriate protective devices.

The control unit reports faults in the system via the airbag warning light. It also detects faults on wiring and connectors and stores them in the fault memory.

Why does the control unit P68148045AD fail?

For the control unit P68148045AD, the most common cause after an accident is stored crash data, even if no airbag has triggered. An ordinary diagnostic tool cannot erase it. Other possible causes are aged electronic components, cold solder joints, moisture and corrosion on plug connections, and voltage spikes.

Crash data belongs in the fault search as soon as the unit comes from an accident vehicle. An airbag does not need to have triggered for this.

The other causes have nothing to do with the accident. They develop over the service life and can only be narrowed down by measurement.

How can you tell that the P68148045AD is defective?

A defect in the P68148045AD shows up as the airbag warning light in the instrument cluster lighting up permanently or intermittently, and as an error message in the instrument cluster. The diagnostic tool finds no connection to the control unit, or the fault memory cannot be cleared. Airbags and seatbelt pretensioners may then possibly not trigger in an emergency.

The warning light is the visible sign of a fault in the restraint system, even if the vehicle can still be driven normally.

If you notice these signs, have the fault memory read out so that the cause can be narrowed down.

Which vehicles is the P68148045AD fitted in?

The part number is decisive for the assignment, not just the brand Jeep. The control unit P68148045AD is fitted in these vehicles: Jeep Compass MK (2007-2010) and MK Facelift (2011-2016).

The affected models are shown in the list.

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

First compare the part number on the label of the removed unit with this page; this only confirms that it is the right unit. Also have the fault memory read out beforehand, because only the result shows whether the control unit is defective or a connector or cable is the cause.

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

How does the repair of the P68148045AD work?

First have the fault memory of the control unit P68148045AD read out and attach the log. Then disconnect the battery and remove the unit. Then create a repair order online and send in the well-packed unit. Processing at Airbag24 usually takes 3–4 working days.

Airbag24 checks the unit on the test bench, repairs 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 P68148045AD get to Airbag24?

You send the control unit P68148045AD in as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 returns it by UPS.

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