Airbag control unit with part number P68148047AC

What does the airbag control unit P68148047AC do?

In the Jeep vehicle, the airbag control unit P68148047AC has the task of controlling the SRS restraint system. It evaluates the signals of the crash sensors, selects the appropriate airbags and seatbelt pretensioners in an accident, and monitors the entire assembly.

It reports irregularities to the airbag warning light. The monitoring continues while driving.

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

Why does the control unit P68148047AC fail?

Crash data stored after an accident forms the most common cause, regardless of whether an airbag has triggered; a commercially available diagnostic tool cannot remove it. Other causes are aged components, cold solder joints, moisture and corrosion on plug connections, and voltage spikes, for example from a weak battery.

If an accident appears in the vehicle's history, this suspicion is obvious.

The other causes are based on ageing, wear at contacts and electrical stress. Which of them applies is shown only by the examination.

How can you tell that the P68148047AC is defective?

The airbag warning light in the instrument cluster indicates a fault when it stays on permanently or only intermittently. In addition there is a fault message in the instrument cluster, a missing connection to the diagnostic tool and a fault memory that cannot be cleared. In an emergency, airbags and seatbelt pretensioners may then not be able to trigger.

The finding is clear enough to be taken seriously.

A warning light does not necessarily mean that the control unit is defective, but it does mean that the system needs an inspection.

Which vehicles is the P68148047AC fitted in?

The airbag control unit P68148047AC is fitted in these vehicles: Jeep Cherokee KK (2008-2012).

Below are the vehicles that belong to this part number.

• Jeep Cherokee KK (2008-2012)

Comparing the part number with the label on the removed unit only confirms that you have the right unit. Have the fault memory read out beforehand, because the result shows whether the control unit or a plug is the cause.

For the same vehicles, we also repair control units with the part numbers 5189278AA, 68025632AK, P04896129AF, P04896129AG, P56038973AE, P56038973AF.

How does the repair of the P68148047AC work?

Airbag24 needs usually 3–4 working days for checking, repairing and the function test. On your side, the fault memory is first read out with the log attached, then the battery is disconnected and the control unit is removed. After that you create a repair order online and send the well-packed unit in. At Airbag24 it is examined on the test bench, defective components are renewed, stored crash data is deleted and the function test is carried out; then your unit goes back.

The time specification refers exclusively to the work at Airbag24.

The order is to be observed for safety reasons. 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 P68148047AC get to Airbag24?

You send the unit as a parcel or book a UPS collection for an extra charge. After the repair Airbag24 sends the control unit back via UPS. Enclose the printed repair order; the unit is packed shock-proof.

Packaging and padding should be chosen so that nothing shifts in the parcel.