Airbag control unit with part number P68148045AA

What does the airbag control unit P68148045AA do?

The airbag control unit P68148045AA is the control centre of the restraint system (SRS) in Jeep. It evaluates the sensor signals, decides within milliseconds in a crash whether airbags and seatbelt pretensioners are triggered, and monitors the entire system.

The unit checks the connections and components continuously. If it detects a fault, it stores it in memory and reports it via the airbag warning light.

A crash causes crash data to be saved and the unit locks itself. Only repair releases the lock.

Why does the control unit P68148045AA fail?

The most common cause with P68148045AA is crash data stored after an accident, even if none of the airbags fired. Other causes include aged electronic components, cold solder joints, moisture and corrosion on connectors, and voltage spikes from a weak battery or jump-starting.

A standard diagnostic tool cannot erase the crash data. During repair, it is erased.

The remaining causes can lie in the electronics and the connections. Testing is what shows which of them applies.

How can you tell that the P68148045AA is defective?

The airbag warning light in the instrument cluster lights up on the P68148045AA permanently or intermittently, a fault message appears, the diagnostic tool cannot find the control unit, and the fault memory remains. In that case, airbags and seatbelt pretensioners may not trigger in an emergency.

The light shows the finding in the instrument cluster, even while the vehicle can still be driven normally.

An error message and a diagnostic tool without a connection confirm the suspicion. That is why it is worth having the fault memory read as soon as either of these appears.

Which vehicles is the P68148045AA fitted in?

The airbag control unit P68148045AA is fitted in these vehicles: Jeep Compass MK (2007-2010) and MK Facelift (2011-2016).

The matching models for this part number are listed below:

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

You carry out the label comparison on the removed unit; it simply confirms that it is the correct unit. Have the fault memory read beforehand, because only that result shows whether the control unit is defective or whether 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 P68148045AA work?

The process begins with reading out the fault memory of the P68148045AA, and you enclose the log with the unit. Then you disconnect the battery and remove the control unit; next you create the repair order online and send the unit in well packed. Processing at Airbag24 usually takes 3–4 working days.

At Airbag24 the unit goes onto the test bench first. There, defective components are replaced and stored crash data is erased; a function test completes the check, and then your own unit is returned.

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 P68148045AA get to Airbag24?

You can send the unit as a parcel or book a UPS collection for an extra charge. Airbag24 returns the control unit P68148045AA to you by UPS after the repair.

The printed repair order goes into the parcel, and you also protect the unit against shocks.