Airbag control unit with part number 56054077AI

What does the airbag control unit 56054077AI do?

The airbag control unit 56054077AI is responsible for evaluation within the restraint system (SRS) of Dodge. It processes the readings of the crash sensors, determines in an emergency which airbags and seatbelt pretensioners fire, and keeps the whole system in view. After an accident it stores crash data and locks itself.

Faults that occur are shown via the airbag warning light.

Crash data remain stored in the unit after an accident.

Why does the control unit 56054077AI fail?

The most common cause is the crash data that remain in the unit after an accident, even if no airbag fired. Common diagnostic tools cannot remove them. Other causes are aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes.

Crash data is the most common reason for a failure, because the unit stores it even without an airbag having triggered.

The following influences are also considered:

• aged electronic components
• cold solder joints
• moisture and corrosion at plug connections
• voltage spikes, for example from a weak battery or jump-starting

How can you tell that the 56054077AI is defective?

The airbag warning light in the instrument cluster lights up permanently or flickers at times, and a fault message appears in the instrument cluster. If the diagnostic tool cannot connect to the 56054077AI, or the fault memory cannot be emptied, that is also a sign. In an emergency, airbags and seatbelt pretensioners may then not trigger.

The warning light comes on as soon as the control unit detects a fault and stays on for lasting faults.

A lit display is therefore not a coincidence but a finding that calls for a check.

Which vehicles is the 56054077AI fitted in?

The control unit 56054077AI is fitted in these vehicles: Dodge Charger 6th generation (2006-2010). If your vehicle is among them, the unit fits.

The list of vehicles follows:

• Dodge Charger 6th generation (2006-2010)

Comparing the part number on the label of the unit with this page only confirms that you have the correct unit. The fault memory should also be read out beforehand; only a previously read fault memory shows whether the control unit is defective or whether a plug or cable is the cause.

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 56054077AI work?

For the 56054077AI, first have the fault memory read out and attach the log; then disconnect the battery, remove the control unit and create a repair order online. Airbag24 needs 3–4 working days as a rule for testing, repair and function test.

The order of steps is binding for safety reasons, so keep to it exactly.

Then pack the unit shockproof and send it off. Airbag24 examines it on the test bench, replaces defective components, erases stored crash data and carries out a function test. Your own unit then goes back.

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 56054077AI get to Airbag24?

You send the control unit 56054077AI as a parcel or book UPS collection for an extra charge. Airbag24 sends it back to you by UPS after the repair.

Your printed repair order goes into the parcel, and the unit must be packed shockproof.