Airbag control unit with part number 68085884AG

What does the airbag control unit 68085884AG do?

The airbag control unit 68085884AG forms the central control unit of the restraint system (SRS) of Dodge. It evaluates the signals from the crash sensors, decides within milliseconds in a crash which airbags and seatbelt pretensioners are triggered, and monitors the entire system continuously. Faults are shown via the airbag warning light.

The evaluation runs without interruption as soon as the ignition is switched on. The unit checks the connected components so that the system reacts reliably in an emergency.

After a crash, the control unit stores crash data and locks itself. We explain the causes and the repair on this page.

Why does the control unit 68085884AG fail?

Stored crash data is the most common cause, even if no airbag was triggered in the accident; a standard diagnostic tool cannot erase it. Aged electronic components, cold solder joints, moisture and corrosion at plug connectors, and voltage spikes, such as from a weak battery or a jump start, also come into consideration.

The crash data remains stored in the unit, even if no airbag has deployed. Airbag24 erases it during the repair.

The other causes develop over time, when contacts corrode or components age.

How can you tell that the 68085884AG is defective?

A defect shows up as the airbag warning light in the instrument cluster staying on permanently or intermittently. In addition, an error message appears in the instrument cluster, the diagnostic tool has no connection to the control unit, and the fault memory cannot be cleared. Then airbags and seatbelt pretensioners may fail to deploy in an emergency.

The driving behaviour says nothing about whether the restraint system works. That is why the warning light is the decisive sign; anyone who sees it lit should have the vehicle checked promptly.

Which vehicles is the 68085884AG fitted in?

The control unit 68085884AG is intended for Dodge. It is fitted in these vehicles: Dodge Ram DS/DJ/D2 (2009-2018).

The following overview lists the vehicles stored for this part number.

• Dodge Ram DS/DJ/D2 (2009-2018)

Before you remove the unit, compare the part number on the label with this page; that only confirms that you have the right unit. Have the fault memory read out as well, because only this log shows whether the control unit itself is defective or whether a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 0285015046, 56043128AC, 56043128AD, 68303217AA, 68303218AA, 68346712AA.

How does the repair of the 68085884AG work?

First, have the fault memory read out and put the log in the parcel. Then disconnect the battery and only then remove the control unit. The check, repair and function test at Airbag24 usually take 3–4 working days.

Afterwards, create a repair order online and send in the control unit well packaged. Airbag24 checks it on the test bench, repairs defective components, erases stored crash data and carries out a function test. The unit then 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 68085884AG get to Airbag24?

You send the unit as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 returns it to you by UPS.

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