Airbag control unit with part number 56054076AC

What does the airbag control unit 56054076AC do?

The airbag control unit 56054076AC is the central unit of the restraint system (SRS) in Dodge and Chrysler. It processes the signals from the crash sensors, makes the decision on triggering airbags and seatbelt pretensioners in an emergency, and checks the system continuously. After a crash it secures the data and locks itself.

The unit passes faults on to the airbag warning light in the instrument cluster, so that the fault becomes apparent to you.

Why does the control unit 56054076AC fail?

Most often, failure of the 56054076AC is caused by stored crash data, even if no airbag has deployed. A standard diagnostic tool cannot erase it; Airbag24 erases it during the repair.

Aged electronic components can cause failure, as can cold solder joints. Moisture and corrosion at plug connections also belong here.

Voltage spikes, for example from a weak battery or a jump start, also count.

How can you tell that the 56054076AC is defective?

A defect in the 56054076AC is noticeable when the airbag warning light stays on constantly or intermittently, an error message appears in the instrument cluster, the diagnostic tool makes no contact, and the fault memory cannot be emptied. The airbags and seatbelt pretensioners could then fail to deploy in an emergency.

The warning light shows the finding directly, so a prompt check is the right step.

Which vehicles is the 56054076AC fitted in?

The control unit 56054076AC is fitted in these vehicles: Dodge Durango 2nd generation (2003-2006) and 2nd generation Facelift (2006-2009); Chrysler Aspen HG (2006-2008).

The following list shows which vehicles belong to this part number.

• Dodge Durango 2nd generation (2003-2006)
• Dodge Durango 2nd generation Facelift (2006-2009)
• Chrysler Aspen HG (2006-2008)

First compare the part number on the label of the removed unit with this page. This ensures that it is the right unit, but says nothing about its condition. Therefore have the fault memory read out before removing anything, because it shows whether the control unit is defective or a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 4606948AC, 56043319AB, 56043866AB, 56054076AD, P04896158AF.

How does the repair of the 56054076AC work?

First read out the fault memory on the 56054076AC so that the log is available. Disconnect the battery before the control unit is removed. Then create the repair order online, and the unit goes on its way well packed.

On the test bench, Airbag24 inspects the unit, repairs the defective components, erases stored crash data and tests the function. This processing usually takes 3–4 working days.

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 56054076AC get to Airbag24?

The 56054076AC reaches Airbag24 as a parcel, or you book a UPS collection for an extra charge. After the repair, Airbag24 sends it back to you by UPS.

Pack the unit shock-proof and put the printed repair order in the parcel.