Airbag control unit with part number 6L24-14B321-CB

What does the airbag control unit 6L24-14B321-CB do?

The airbag control unit 6L24-14B321-CB is the central switching unit of the restraint system (SRS) in Ford. It evaluates what the crash sensors report and thereby decides on the triggering of airbags and seatbelt pretensioners. Faults in the system appear via the airbag warning light.

During driving the unit checks the entire system. If it discovers a deviation, it stores it in the fault memory.

After an accident, it creates crash data and locks itself. Only the repair lifts this lock.

Why does the control unit 6L24-14B321-CB fail?

The most common cause is crash data stored after an accident, even without a triggered airbag, and a diagnostic tool cannot erase it. Added to this are aged components, cold solder joints, moisture and corrosion at plug connectors, and voltage spikes.

• Aged electronic components
• Cold solder joints
• Moisture and corrosion at plug connections
• Voltage spikes from a weak battery or jump-starting

Crash data are not component damage, but they ensure that the fault continues to be displayed.

Whether one of these causes is actually present must be shown by the examination.

How can you tell that the 6L24-14B321-CB is defective?

A defect shows up as the airbag warning light, as fault messages in the instrument cluster, and as a diagnostic tool that cannot make contact with the control unit. In an emergency, airbags and seatbelt pretensioners may not deploy.

• Airbag warning light on permanently or intermittently
• Fault message in the instrument cluster
• No connection to the diagnostic tool
• Fault memory cannot be cleared

If you notice any of these signs, have the system checked promptly. The warning light is the most direct message the vehicle has to offer.

Which vehicles is the 6L24-14B321-CB fitted in?

The airbag control unit 6L24-14B321-CB is fitted in these vehicles: Ford Explorer 4 U251 (2006-2010).

The vehicle list follows directly below:

• Ford Explorer 4 U251 (2006-2010)

Before removal, compare the part number on the label with this page. This only ensures that you have the correct unit. Have the fault memory read out afterwards, because only this 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 6L24-14B321-AF, 6L24-14B321-GA, 7L24-14B321-AD, 7L24-14B321-CA, 7L24-14B321-DA, 9L24-14B321-DB.

How does the repair of the 6L24-14B321-CB work?

You have the fault memory read out and enclose the log. Then disconnect the battery and only then remove the control unit. Online, you create a repair order and send in the well-packed unit.

Airbag24 checks the unit on the test bench, repairs defective components and erases the stored crash data. A function test follows, after which your own unit goes back to you. Processing at Airbag24 usually takes 3–4 working days.

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 6L24-14B321-CB get to Airbag24?

You send the unit as a parcel, or you book a UPS collection for an extra charge. The return to you after the repair is made by UPS.

The printed repair order goes into the parcel. Pack the control unit so that it is protected against knocks.