Airbag control unit with part number P68148051AB

What does the airbag control unit P68148051AB do?

The airbag control unit P68148051AB acts as the central unit of the restraint system (SRS) of Dodge. It records events via the crash sensors, decides 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 unit reports faults via the airbag warning light, so you can recognise a defect.

The lock after a crash is lifted exclusively by the repair at Airbag24.

Why does the control unit P68148051AB fail?

Stored crash data is the most common cause in the P68148051AB, even if no airbag was triggered. A normal diagnostic tool cannot erase it; Airbag24 removes it during the repair. Other causes are aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes.

The crash data remains in the unit unless someone removes it. Trying to erase it on the vehicle therefore gets you nowhere.

The other causes concern the condition of the electronics and the connections. Ageing, moisture and poor contacts at plugs can impair function. Voltage spikes, for example from a weak battery or when jump-starting, add further stress.

How can you tell that the P68148051AB is defective?

A defect in the P68148051AB shows first on the airbag warning light, which stays on permanently or intermittently. In addition, an error message appears in the instrument cluster, or a diagnostic tool gets no connection to the control unit. A fault memory that cannot be cleared also belongs to the picture.

The light indicates this state even when the vehicle is driving normally. Taking such signs seriously means arranging an inspection promptly.

In an emergency, airbags and seatbelt pretensioners may not be triggered while the fault persists.

Which vehicles is the P68148051AB fitted in?

This control unit (P68148051AB) is fitted in these vehicles: Dodge Avenger Saloon (2007-2011) and Saloon Facelift (2011-2014). The information is based on the part number.

The stored vehicle overview for this number follows here:

• Dodge Avenger Saloon (2007-2011)
• Dodge Avenger Saloon Facelift (2011-2014)

Compare the part number on the label of the removed unit with this page. That only confirms that you have the right unit in front of you. Have the fault memory read out beforehand, because 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 56054100AA, 56054100AB, 56054100AC, 56054100AD, 68029112AA, 68029112AB.

How does the repair of the P68148051AB work?

For the P68148051AB, first have the fault memory read out and enclose the log. Then disconnect the battery and only afterwards remove the control unit. Next, create a repair order online and send the unit in, well packed. At Airbag24, testing, repairing and checking usually takes 3–4 working days.

On the test bench Airbag24 examines the unit, repairs defective components, removes the crash data and finally carries out a function test. Then your own unit goes back 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 P68148051AB get to Airbag24?

You can send the control unit P68148051AB as a parcel or have it collected by UPS for an extra charge. After the repair Airbag24 returns it by UPS.

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