Airbag control unit with part number 56038943AG

What does the airbag control unit 56038943AG do?

The airbag control unit 56038943AG controls the restraint system (SRS) of Dodge. It checks the signals of the crash sensors, decides in an impact within fractions of a second on the triggering of airbags and seatbelt pretensioners, and monitors the system continuously. After an accident it stores crash data and locks itself.

The control unit reports faults via the airbag warning light in the instrument cluster, for example interruptions in wiring or faults in the firing circuit.

The lock after an accident is part of how the system works.

Why does the control unit 56038943AG fail?

The most common cause is crash data that were stored in the unit 56038943AG after an accident, even if no airbag deployed. Also involved are aged electronic components, cold solder joints, moisture and corrosion at connectors, and voltage spikes, for example from a weak battery or jump-starting. An ordinary diagnostic tool cannot erase this data.

Crash data are a record of what the unit registered during the event. They remain stored even when no trace of it can be seen on the vehicle.

The other causes concern components and connections that suffer from ageing, moisture or electrical stress. Solder joints can lose contact, and corrosion at plugs can disrupt transmission.

How can you tell that the 56038943AG is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently, a fault message appears in the instrument cluster, the diagnostic tool gets no connection to the control unit 56038943AG, and the fault memory cannot be cleared. Then airbags and seatbelt pretensioners may not deploy in an emergency.

The warning light is the most important warning sign, because it indicates a fault as soon as the control unit detects one. If it stays on after the ignition is switched on, have the system checked promptly.

A fault message in the instrument cluster also indicates that the restraint system is not fully operational at present.

Which vehicles is the 56038943AG fitted in?

The control unit 56038943AG is fitted in these vehicles: Dodge Charger 6th generation (2006-2010). The make Dodge is decisive here.

The list below names the vehicles that we know of for this number.

• Dodge Charger 6th generation (2006-2010)

If you compare the number on the label of the removed unit with this page, you know it is the right unit. Whether the control unit is defective or a plug causes the fault, however, is shown only by the fault memory, which you have read out before removal.

For the same vehicles, we also repair control units with the part numbers 04896097AE, 04896097AG, 04896098AD, 04896098AE, 04896098AF, 04896098AG.

How does the repair of the 56038943AG work?

Airbag24 needs 3–4 working days in general for examining, repairing and testing. First you read out the fault memory and attach the log, then disconnect the battery and remove the control unit 56038943AG. Next, create a repair order online and send in the well-packed unit.

Airbag24 examines the unit on the test bench, repairs defective components, erases stored crash data and carries out a functional test. Then your own unit is returned 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 56038943AG get to Airbag24?

Either you pack the control unit 56038943AG and send it as a parcel, or you book a UPS collection for an extra charge. After the repair Airbag24 sends the unit back by UPS.

The printed repair order goes into the package, and the unit must be packed shock-proof.