Airbag control unit with part number 7G13-14B321-BA

What does the airbag control unit 7G13-14B321-BA do?

The airbag control unit 7G13-14B321-BA coordinates the restraint system (SRS) in Ford. It processes the readings from the crash sensors, determines in an emergency which airbags and seatbelt pretensioners deploy, and reports faults. After an accident, it stores crash data and locks itself.

While driving, it checks the system continuously. If it detects a deviation, it creates an entry in the fault memory and shows the driver a warning. The lock after an accident only ends with the repair.

Why does the control unit 7G13-14B321-BA fail?

The most common cause on the 7G13-14B321-BA is crash data from an accident, even if no airbag was triggered. A normal diagnostic tool cannot erase it. Other factors include aging electronics, cold solder joints, moisture and corrosion on plugs, and voltage spikes (for example from a weak battery or jump-starting).

Crash data remains stored until Airbag24 removes it during the repair. The other causes are of a general nature: electronics age, connections become damp and corrode, and a voltage spike can stress components. Which of these applies in an individual case only becomes clear through the examination.

How can you tell that the 7G13-14B321-BA is defective?

A defect in the 7G13-14B321-BA makes itself known through the airbag warning light, an error message in the instrument cluster, a diagnostic tool with no connection to the control unit, or a fault memory that cannot be cleared. In an emergency, the airbags and seatbelt pretensioners may then fail to trigger.

The airbag warning light in the instrument cluster is the main indicator. If it stays on permanently, or comes on only now and then, the system is reporting a fault. An additional error message may appear. Do not postpone the check, because the light is there for exactly this purpose.

Which vehicles is the 7G13-14B321-BA fitted in?

The 7G13-14B321-BA is fitted in these vehicles: Ford Five Hundred 1 (2005-2007). Whether your car is one of them is shown by comparing the part number with the label.

Here are the vehicles recorded for this part number:

• Ford Five Hundred 1 (2005-2007)

First compare the number on the unit's label with this page, so that you have the correct control unit. Have the fault memory read out before removal, because only the log 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 5G13-14B321-CB, 5G13-14B321-DB, 6G13-14B321-AA, 6G13-14B321-BA, 6G13-14B321-BB, 7G13-14B321-FA.

How does the repair of the 7G13-14B321-BA work?

Have the fault memory read out, enclose the log, disconnect the battery and then remove the 7G13-14B321-BA. Next, create the repair order online and send in the unit. Inspection, repair and function testing at Airbag24 usually take 3–4 working days.

The sequence is not a formality: removal only takes place once the battery has been disconnected. At Airbag24, defective components are repaired and stored crash data is erased. Your own unit is then 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 7G13-14B321-BA get to Airbag24?

You send the control unit 7G13-14B321-BA yourself as a parcel, or arrange a UPS collection for an extra charge. The return after the repair is also made by UPS.

Enclose the printed repair order with the parcel, and pack the control unit shock-resistant.