Airbag control unit with part number GN15-14B321-CF

What does the airbag control unit GN15-14B321-CF do?

The airbag control unit GN15-14B321-CF is the central control unit of the restraint system (SRS) of Ford. It evaluates the signals of the crash sensors, decides in a collision within milliseconds which airbags and seatbelt pretensioners trigger, and monitors the system constantly.

In everyday operation the unit works in the background and checks the connected components. If it finds a fault, it shows this via the airbag warning light in the instrument cluster.

After an accident the unit stores crash data and locks itself. This response is part of the design of the system.

Why does the control unit GN15-14B321-CF fail?

The most common cause is stored crash data after an accident, even if no airbag was triggered. Further causes are aged components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes.

Crash data cannot be removed with a normal diagnostic tool. Airbag24 removes it during the repair.

These further causes also apply:

• 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 GN15-14B321-CF is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently, a fault message appears in the instrument cluster, the diagnostic tool cannot connect to the control unit, or the fault memory cannot be cleared. In an emergency, airbags and seatbelt pretensioners may then possibly fail to deploy.

The airbag warning light is the most important signal. It indicates a fault as soon as the control unit detects it, and it stays on permanently or lights up intermittently.

If the fault memory cannot be cleared or the diagnostic tool finds no control unit, a check is called for.

Which vehicles is the GN15-14B321-CF fitted in?

The airbag control unit GN15-14B321-CF is fitted in these vehicles: Ford EcoSport 2 Facelift (2015-2022). Whether your car is among them, check using the list.

The vehicles in detail:

• Ford EcoSport 2 Facelift (2015-2022)

Comparing the part number on the label of the removed unit with this page only ensures that it is the right unit. Have the fault memory read out beforehand, because only that result 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 DN1T-14B321-EC, GN15-14B321-AF, GN15-14B321-GJ, GN1Z-14B321-AE, GN1Z-14B321-AK.

How does the repair of the GN15-14B321-CF work?

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

Airbag24 checks the unit, repairs defective components, deletes crash data and carries out a function test. 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 GN15-14B321-CF get to Airbag24?

You send the unit as a parcel or book a UPS collection for an extra charge. After the repair Airbag24 sends it back by UPS.

Place the printed repair order in the parcel and pack the control unit shock-proof.