Airbag control unit with part number P56043703AD

What does the airbag control unit P56043703AD do?

The airbag control unit P56043703AD coordinates the SRS for Dodge. It reads the crash sensors, determines within milliseconds in an accident which airbags and seatbelt pretensioners are to be triggered, and monitors the system permanently. After an accident it stores crash data and locks itself.

It displays faults via the airbag warning light in the instrument cluster.

In normal driving the unit is not noticed; it works quietly in the background.

Why does the control unit P56043703AD fail?

Stored crash data are the most common cause with the P56043703AD, after an accident even if no airbag has deployed. A normal diagnostic tool cannot erase them. Aged components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes are also possible causes.

Aged electronics become more susceptible over time, and cold solder joints can establish contact only intermittently.

Moisture and corrosion at plugs, as well as voltage spikes, for example from a weak battery or a jump start, are further sources. Which of these applies in an individual case only testing shows.

How can you tell that the P56043703AD is defective?

The airbag warning light in the instrument cluster lights up on the P56043703AD permanently or intermittently, and in addition a fault message appears in the instrument cluster. Furthermore, the diagnostic tool cannot reach the control unit, or the fault memory cannot be cleared. In an emergency, airbags and seatbelt pretensioners may therefore possibly not trigger.

The warning light makes the fault visible as soon as the unit detects it, and it is the first signal for you as the driver.

A disrupted connection to the diagnostic tool can also be due to a plug or a cable, not necessarily to the control unit itself.

Which vehicles is the P56043703AD fitted in?

In these vehicles the control unit P56043703AD is fitted: Dodge Ram DR/DH/D1/DC/DM Facelift (2006-2009) and DR/DH/D1/DC/DM (2002-2006).

The list below shows each model on its own line.

• Dodge Ram DR/DH/D1/DC/DM Facelift (2006-2009)
• Dodge Ram DR/DH/D1/DC/DM (2002-2006)

Comparing the part number on the label of the removed unit with this page only ensures that it is the correct unit. Have the fault memory read out beforehand, because only this log shows whether the control unit itself is defective or whether a plug or cable is the cause.

How does the repair of the P56043703AD work?

First have the fault memory read out and enclose the log. Then disconnect the battery, only then remove the control unit, create a repair order online and send it in well packed. Processing at Airbag24 usually takes 3–4 working days.

The sequence is binding for safety reasons, because nothing on the restraint system may be done hastily.

At Airbag24 the unit is examined, defective components are repaired, stored crash data erased and a function test carried out. Afterwards your own unit goes back 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 P56043703AD get to Airbag24?

You send the control unit P56043703AD as a parcel or book a UPS collection for an extra charge. UPS brings the unit back to you after the repair.

The printed repair order must go into the parcel, and the unit must be packed shock-resistant.