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

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

The airbag control unit GN15-14B321-DJ takes over control of the restraint system (SRS) in Ford. It reads the signals from the crash sensors, selects the appropriate airbags and seatbelt pretensioners in an accident within milliseconds, and monitors the whole process.

If the unit detects a fault, it indicates it via the airbag warning light. After an accident it stores crash data and remains locked afterwards.

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

The most common cause is crash data from an accident, even if no airbag has deployed. A normal diagnostic tool cannot remove it. In addition there are aged components, cold solder joints, moisture and corrosion at plugs, and voltage spikes, for example from a weak battery or jump start.

Stored crash data is retained even if the vehicle then drives perfectly. That it drives therefore says nothing about the memory contents.

Only the test on the test bench clarifies which of these causes actually applies.

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

A fault shows up on the airbag warning light, which lights up continuously or only intermittently, on an error message in the instrument cluster, on a diagnostic tool without connection to the control unit, and on a fault memory that cannot be cleared.

The warning light is the clearest warning sign. Do not leave it unattended; arrange for an inspection promptly.

In an emergency, airbags and seatbelt pretensioners may possibly not trigger in the event of a defect, so you should take the warning seriously.

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

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

Our assignment to this part number covers the following models:

• Ford EcoSport 2 Facelift (2015-2022)

Compare the part number on the label of the removed unit with this page, so you know that it is the correct unit. However, have the fault memory read out beforehand, because only this result shows whether the control unit itself 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-DJ work?

First read out the fault memory and enclose the log. Then disconnect the battery and only then remove the control unit. Then create a repair order online and send in the well-packed unit.

Airbag24 tests the unit on the test bench, replaces defective components, erases the stored crash data and carries out a function test. Processing usually takes 3–4 working days.

Afterwards the 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-DJ get to Airbag24?

You can send the GN15-14B321-DJ in as a parcel, or book a UPS collection for an extra charge. After the repair Airbag24 sends the unit back to you by UPS.

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