Airbag control unit with part number G2BT-14B321-GB

What does the airbag control unit G2BT-14B321-GB do?

The airbag control unit G2BT-14B321-GB controls the restraint system (SRS) of Ford. It processes the signals from the crash sensors, decides in an accident within milliseconds about triggering airbags and seatbelt pretensioners, and monitors the system permanently.

The unit detects faults itself and reports them via the airbag warning light in the instrument cluster. That light is therefore the first thing you should watch.

After an accident the control unit stores crash data and locks itself. The sensor evaluation runs in the background.

Why does the control unit G2BT-14B321-GB fail?

Most often the cause is crash data stored after an accident, even if no airbag has triggered. Further causes include aged components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes, for example from a weak battery or a jump-start.

A normal diagnostic tool cannot erase crash data. As long as it is stored, the finding remains with every read-out.

The other causes can work unseen over a long period. An examination shows which of them applies in the individual case.

How can you tell that the G2BT-14B321-GB is defective?

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

The light indicates a detected fault, regardless of whether it stays on or only comes on briefly. A look into the fault memory is therefore advisable.

The missing connection to the diagnostic tool does not necessarily originate from the control unit. Only the read-out clarifies this.

Which vehicles is the G2BT-14B321-GB fitted in?

The control unit G2BT-14B321-GB is fitted in these vehicles: Ford Fiesta 7 ’09 (2008-2017).

Here you will find the models that are recorded for this control unit in our data.

• Ford Fiesta 7 ’09 (2008-2017)

Compare the part number on the label of the removed unit with this page. The comparison only shows that it is the right unit. Also have the fault memory read out before removal. Only this result shows whether the control unit is defective or a plug or a cable is the cause.

For the same vehicles, we also repair control units with the part numbers C1BT-14B321-CF, H1BT-14B321-AH, H1BT-14B321-AJ.

How does the repair of the G2BT-14B321-GB work?

At Airbag24, inspection, repair and testing usually take 3–4 working days. Beforehand, have the fault memory read out and enclose the log, then disconnect the battery and only then remove the control unit. Afterwards create a repair order online and send the unit in well packed.

The sequence is mandatory for safety reasons. The unit is never removed without the battery disconnected.

Airbag24 checks the unit on the test bench, replaces defective components and erases the stored crash data. The function test follows, after which 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 G2BT-14B321-GB get to Airbag24?

You send the control unit as a parcel, or you book a UPS collection for an extra charge. After the repair, Airbag24 returns it to you by UPS.

The printed repair order belongs in the parcel. Pack the unit shock-proof.