Airbag control unit with part number 68358990AC

What does the airbag control unit 68358990AC do?

The airbag control unit 68358990AC is the control unit of the restraint system for Chrysler. In an accident it evaluates the sensors, determines within a fraction of a second the triggering of airbags and seatbelt pretensioners, and at the same time monitors the entire system.

The system comprises sensors, firing elements and this very control unit. It turns measured values into the decision that matters in an emergency.

If it detects a fault, the airbag warning light comes on. As soon as an accident has occurred, the unit stores crash data and locks itself.

Why does the control unit 68358990AC fail?

Crash data from an accident is the most frequent reason for a failure of the control unit 68358990AC, even if no airbag fired. An ordinary diagnostic tool cannot remove it. Aged components, cold solder joints, moisture and corrosion on plug connections and voltage spikes are also possible causes.

Storage does not depend on whether an airbag fires. The unit therefore registers the event regardless of how the accident turned out.

Voltage spikes arise, for example, with a weak battery or when starting with a jump start. The test shows which of these causes applies here.

How can you tell that the 68358990AC is defective?

A defect on the 68358990AC becomes visible when the airbag warning light in the instrument cluster stays on permanently or intermittently. A fault message in the instrument cluster, a missing connection to the control unit and a fault memory that cannot be cleared are also signs. In an emergency, airbags and seatbelt pretensioners may fail to deploy.

The warning light is the visible hint the system gives. If it stays on, have the vehicle examined.

A diagnostic tool that cannot reach the control unit indicates a fault. Which point is affected is clarified by the evaluation.

Which vehicles is the 68358990AC fitted in?

The airbag control unit 68358990AC is fitted in these vehicles: Chrysler Pacifica RU Facelift (from 2020) and RU (2016-2020). The part number on the unit remains the benchmark for the assignment.

The following list shows the vehicles in which this control unit is installed.

• Chrysler Pacifica RU Facelift (from 2020)
• Chrysler Pacifica RU (2016-2020)

Matching the label with this page is done to confirm that you have the right unit. Also have the fault memory read out before removal, so that it becomes clear 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 68405565AB, 68405565AC, 68405567AC, 68405937AA, 68405939AA, 68480707AC.

How does the repair of the 68358990AC work?

First read out the fault memory and attach the log. Then disconnect the battery and only then remove the control unit 68358990AC. Create the repair order online and send in the unit well packed.

Afterwards Airbag24 checks the unit on the test bench, replaces defective components, erases stored crash data and runs a function test. Processing usually takes 3–4 working days.

The unit comes back to you afterwards. 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 68358990AC get to Airbag24?

You send the control unit 68358990AC as a parcel or book a UPS collection for an extra charge. The return after the repair is made by UPS.

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