Airbag control unit with part number 56054092AH

What does the airbag control unit 56054092AH do?

The airbag control unit 56054092AH controls the restraint system (SRS) of Dodge. It reads the crash sensors, selects in a crash within milliseconds the airbags and seatbelt pretensioners that should fire, and monitors the entire system. A crash leaves crash data in memory; after that the unit locks itself.

Faults in the system are shown by the unit via the airbag warning light in the instrument cluster. That way drivers quickly notice that something is wrong.

Why does the control unit 56054092AH fail?

The most common cause is crash data left in memory after a crash, even if no airbag fired. A normal diagnostic tool cannot erase it. Other causes include ageing electronic components, cold solder joints, moisture and corrosion at plug connectors, and voltage spikes.

The unit stores the incident in memory, regardless of whether an airbag fired.

The other causes concern the electronics themselves. Components age, solder joints can go cold, and moisture or corrosion attack plug connectors.

Voltage spikes also stress the circuitry, for example from a weak battery or jump-starting. Which cause applies in an individual case is only established by checking the unit.

How can you tell that the 56054092AH is defective?

The airbag warning light in the instrument cluster stays on constantly or intermittently, an error message appears in the instrument cluster, the diagnostic tool does not find the control unit, or the fault memory cannot be cleared. Airbags and seatbelt pretensioners may then not deploy in an emergency.

The warning light is the system's direct indication of a fault. If it lights up, have the fault memory read out promptly rather than waiting.

A diagnostic tool that cannot establish a connection to the control unit indicates a fault in communication. It can lie in the control unit or in the wiring between them.

Which vehicles is the 56054092AH fitted in?

You want to know whether your car fits. For Dodge, the control unit 56054092AH is fitted in these vehicles: Dodge Challenger 3rd generation (2008-2014) and 3rd generation Facelift (2014-2023).

The models from our assignment are listed here:

• Dodge Challenger 3rd generation (2008-2014)
• Dodge Challenger 3rd generation Facelift (2014-2023)

Before you have it repaired, check two points. First, compare the part number on the label of the removed unit with this page; that only confirms that it is the right unit. Then have the fault memory read out, because only that result 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 68204695AD, 68204695AE, 68204695AF, 68204695AG, 68204700AF, 68204700AG.

How does the repair of the 56054092AH work?

First have the fault memory read out and attach the log. Then disconnect the battery and only then remove the control unit 56054092AH. Then create a repair order online and send in the well-packed unit.

For checking, repairing and testing at Airbag24, expect 3–4 working days as a rule. In that time we examine the unit on the test bench, replace defective components, erase stored crash data and carry out a function test.

Your own unit then returns to you. The order of steps is mandatory for your safety.

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 56054092AH get to Airbag24?

You send the control unit 56054092AH to Airbag24 as a parcel, or book a UPS collection for an extra charge. The return of your own unit after repair is also by UPS.

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