Airbag control unit with part number P68335041AB

What does the airbag control unit P68335041AB do?

The control unit P68335041AB is the central unit of the restraint system (SRS) at Dodge. It evaluates the signals of the crash sensors and, in an accident, decides within milliseconds which airbags and seatbelt pretensioners are triggered.

In addition, the unit monitors the entire system continuously. If it detects a fault, it displays it via the airbag warning light in the instrument cluster.

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

Why does the control unit P68335041AB fail?

Crash data stored in the unit after an accident is the most common cause, even if no airbag has fired; a standard diagnostic tool cannot erase it. For the P68335041AB, aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes such as from a weak battery or jump-starting also come into question.

The crash data show that the unit has registered an accident. Whether the control unit itself is defective does not follow from that.

The other influences act on the electronics and the contacts over a longer period.

How can you tell that the P68335041AB is defective?

If the airbag warning light in the instrument cluster stays on permanently or intermittently, an error message appears. For the P68335041AB, the diagnostic tool then finds no connection to the control unit, and the fault memory cannot be cleared.

As long as these signs persist, the airbags and seatbelt pretensioners may not deploy in an emergency. A prompt check is therefore advisable.

Which vehicles is the P68335041AB fitted in?

The assignment shows the vehicles recorded for this part number. The control unit P68335041AB is fitted in these vehicles: Dodge ProMaster VF (from 2014).

The vehicles in detail:

• Dodge ProMaster VF (from 2014)

Compare the part number on the label of the removed unit with this page. This only confirms that it is the right unit. Have the fault memory read out beforehand, because only the result shows whether the P68335041AB itself is defective or whether a connector or cable is the cause.

For the same vehicles, we also repair control units with the part numbers P68241442AA, P68241442AB, P68303231AA, P68335041AA.

How does the repair of the P68335041AB work?

First have the fault memory of the P68335041AB read out and attach the log, then disconnect the battery and only then remove the control unit. Next, create the repair order online and send in the well-packed unit. Airbag24 checks it on the test bench, replaces defective components, erases the crash data and carries out a function test, which usually takes 3–4 working days.

The unit of your own is then sent back to you. The 3–4 working days relate solely to the work 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 P68335041AB get to Airbag24?

You send the control unit P68335041AB in as a parcel or book a UPS collection. After the repair, Airbag24 sends it back to you by UPS.

Enclose the printed repair order in the parcel and pack the unit shock-proof.