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

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

The control unit GN15-14B321-BD forms the central control unit of the restraint system of Ford. It evaluates the signals from the crash sensors, decides within milliseconds in the event of an accident whether to trigger airbags and seatbelt pretensioners, and monitors the system continuously.

It indicates faults via the airbag warning light, so that a fault in the car becomes visible.

After an accident, it stores crash data and locks itself.

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

For the GN15-14B321-BD, stored crash data is the most common cause, even if no airbag has deployed; a standard diagnostic tool cannot erase it. Other causes are aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes.

Stored crash data is among the causes that can only be remedied by repair. Airbag24 erases it in the process.

Aged components gradually lose reliability.

Cold solder joints lead to irregular contact problems. Moisture and corrosion impair signal transmission at the plugs.

How can you tell that the GN15-14B321-BD is defective?

A defect in the GN15-14B321-BD shows up as the airbag warning light in the instrument cluster staying on permanently or intermittently, as an error message, as a missing connection of the diagnostic tool, or as a fault memory that cannot be cleared. In an emergency, airbags and seatbelt pretensioners may then not trigger.

The indicators in the instrument cluster are the most visible part of this warning chain. They signal a fault, regardless of when they appear.

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

The control unit GN15-14B321-BD is fitted in these vehicles: Ford EcoSport 2 (2012-2015) and 2 Facelift (2015-2022).

Airbag24 has the following models on record for this part number:

• Ford EcoSport 2 (2012-2015)
• Ford EcoSport 2 Facelift (2015-2022)

Comparing the part number on the label with this page only ensures that the removed unit is the right one. Have the fault memory read out beforehand, because only this result shows whether the control unit is defective or whether a connector or cable is the cause.

For the same vehicles, we also repair control units with the part numbers CN15-14B321-AC, CN15-14B321-AD, CN15-14B321-AE, CN15-14B321-AF, CN15-14B321-BC, CN15-14B321-BD.

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

Have the fault memory read out and attach the log before you disconnect the battery and remove the control unit. Then create a repair order online and send in the well-packed unit. Processing at Airbag24 usually takes 3–4 working days.

Airbag24 checks the unit on the test bench, repairs defective components, erases stored 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-BD get to Airbag24?

The unit is sent to Airbag24 as a parcel or with a UPS collection booked for an extra charge. Airbag24 returns it by UPS after the repair.

The unit must be packed shock-proof, and the printed repair order is enclosed.