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

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

The airbag control unit GN15-14B321-GG forms the central control unit of the restraint system (SRS) in Ford vehicles. It evaluates signals from the crash sensors, decides within milliseconds in a crash whether airbags and seatbelt pretensioners are triggered, and monitors the system permanently. After an accident, it stores crash data and locks itself.

Monitoring continues even when nothing happens. The unit checks sensors, wiring and firing circuits and writes detected faults to the memory.

These faults become visible via the airbag warning light. The lock after an accident is lifted only by the repair.

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

Stored crash data is the most common cause: after an accident it remains in the unit even if no airbag was triggered, and a normal diagnostic tool cannot delete it. Aged electronic components, cold solder joints, moisture and corrosion at plug connections and voltage spikes also cause failures.

A weak battery or jump-starting can load a control unit just as much as a damp plug connection. The causes can occur singly or in combination.

Airbag24 removes the stored crash data during the repair. Only the examination of the unit shows which cause is actually present.

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

A defect shows up as the airbag warning light, as fault messages in the instrument cluster, as a diagnostic tool with no connection and as a fault memory that cannot be cleared.

• Airbag warning light in the instrument cluster stays on permanently or intermittently
• Fault message in the instrument cluster
• Diagnostic tool has no connection to the control unit
• Fault memory cannot be cleared

Airbags and seatbelt pretensioners may then fail to trigger in an emergency. The warning light signals the state and calls for an inspection.

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

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

Here are the vehicles assigned to the unit:

• Ford EcoSport 2 Facelift (2015-2022)

Compare the part number on the label of the removed unit with this page. This only shows that it is the correct unit. Have the fault memory read out beforehand, because only the log shows whether the control unit or 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-GG work?

You first have the fault memory read out and attach the log. Then disconnect the battery, remove the control unit only after that, create the repair order online and pack the unit well for shipping. Processing at Airbag24 usually takes 3–4 working days.

Airbag24 checks the unit on the test bench and replaces defective components where necessary. Stored crash data is deleted, followed by a functional 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-GG get to Airbag24?

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

Put the printed repair order into the parcel and pack the unit shockproof.