Airbag control unit with part number P56054625AF

What does the airbag control unit P56054625AF do?

The airbag control unit P56054625AF is the central control unit of the SRS in vehicles from Dodge. In the event of an accident, it decides within milliseconds which airbags and seatbelt pretensioners are activated, by evaluating the signals from the crash sensors. It also monitors the system constantly.

While driving, the unit continuously checks whether all components are working. If it detects a fault, the airbag warning light in the instrument cluster comes on.

If the vehicle is subjected to heavy stress, the unit stores crash data and then locks itself. The lock is only lifted by the repair.

Why does the control unit P56054625AF fail?

The most common cause of the P56054625AF developing a fault is crash data stored after an accident, even if no airbag has deployed. A normal diagnostic tool cannot remove this data. Other possible causes include aged components, cold solder joints, moisture and corrosion on plugs, and voltage spikes.

The fact that no airbag has deployed does not mean there is no crash data. For this reason, the crash data should be checked first when looking for the fault.

The other causes are described in general terms. Electronics age, solder joints can remain cold, and corrosion develops wherever moisture sits on contacts. Voltage spikes occur, for example, with a weak battery or when starting with an external power source.

Crash data is erased at Airbag24 as part of the repair.

How can you tell that the P56054625AF is defective?

The airbag warning light in the instrument cluster lights up on the P56054625AF permanently or only intermittently. A fault message appears in the instrument cluster, the diagnostic tool gets no connection to the control unit, and the fault memory cannot be cleared. Airbags and seatbelt pretensioners may then possibly not trigger in an emergency.

The warning light and the fault message belong together in this context. If the light does not go out after starting or comes on while driving, have the system checked promptly.

Do not rely on the fault resolving itself. Which component is actually affected can only be established by reading out the fault memory.

Which vehicles is the P56054625AF fitted in?

The P56054625AF is fitted in these vehicles: Dodge Ram DS/DJ/D2 (2009-2018).

The list summarises the vehicles to which this part number is assigned.

• Dodge Ram DS/DJ/D2 (2009-2018)

Check the part number on the label of your removed unit and compare it with this page. This only shows that you have the right unit in front of you. Also have the fault memory read out beforehand, because only that result clarifies whether the control unit or 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 P56054625AF work?

First have the fault memory read out and enclose the log. Then disconnect the battery and only then remove the control unit P56054625AF. Finally, create a repair order online and send the unit in packed.

Airbag24 then examines the unit on the test bench, repairs defective components and carries out a function test. Processing usually takes 3–4 working days. Afterwards, 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 P56054625AF get to Airbag24?

You send the control unit P56054625AF to Airbag24 as a parcel or book a UPS collection for an extra charge. After the repair, it comes back to you by UPS.

Enclose the printed repair order with the parcel. Pack the unit shock-proof so that it survives transport undamaged.