Airbag control unit with part number 56054077AK

What does the airbag control unit 56054077AK do?

The airbag control unit 56054077AK is the central control unit of the SRS for Dodge. It evaluates the crash sensors, decides in a crash within milliseconds on the triggering of airbags and seatbelt pretensioners, and monitors the system throughout. It shows faults via the airbag warning light.

The unit stores crash data after an accident, and then it locks itself.

Monitoring runs continuously while the vehicle is being driven.

Why does the control unit 56054077AK fail?

Most often it is due to stored crash data created after an accident, even without a triggered airbag. A normal diagnostic tool cannot erase it. Further causes of the failure of 56054077AK are ageing, cold solder joints, moisture and corrosion, and voltage spikes.

Further causes at a glance:

• Electronic components that age over the years
• Solder joints that have gone cold
• Corrosion and damp on connectors
• Voltage spikes when starting or with a weak battery

How can you tell that the 56054077AK is defective?

The airbag warning light in the instrument cluster indicates a defect on the control unit 56054077AK when it stays on permanently or intermittently. Fault messages in the instrument cluster, a diagnostic tool without connection to the control unit or a fault memory that cannot be cleared also belong to this. In an emergency the airbags and seatbelt pretensioners may then fail to deploy.

The light coming on is the system's message that something is wrong in the restraint system.

A diagnostic tool can read out the fault memory, which provides further clues.

Which vehicles is the 56054077AK fitted in?

The control unit 56054077AK is fitted in these vehicles: Dodge Charger 6th generation (2006-2010).

The assignment in detail:

• Dodge Charger 6th generation (2006-2010)

Compare the part number on the label of the removed unit with this page. This only confirms that you have the right unit. Have the fault memory read out beforehand: only this result shows whether the control unit is defective or a connector 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 56054077AK work?

First have the fault memory read out and enclose the log, then disconnect the battery and only then remove the control unit 56054077AK. Finally, create a repair order online and send the unit in well packed.

Airbag24 examines the unit on the test bench, repairs defective components, erases stored crash data and carries out a function test.

Processing at Airbag24 usually takes 3–4 working days. Afterwards you receive your own unit 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 56054077AK get to Airbag24?

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

The unit must be packed shockproof, and the repair order must be printed and enclosed.