Airbag control unit with part number GV4T-14B321-BC

What does the airbag control unit GV4T-14B321-BC do?

For Ford, the airbag control unit GV4T-14B321-BC controls the restraint system (SRS). From the measured values of the crash sensors, it calculates within milliseconds which airbags and seatbelt pretensioners are triggered in an accident.

While driving, the unit checks the entire system continuously. It reports any faults it finds via the airbag warning light.

After an accident, the control unit stores crash data and then locks itself.

Why does the control unit GV4T-14B321-BC fail?

The most common cause is crash data entered from an accident in which no airbag was triggered. An ordinary diagnostic tool cannot delete this data. Further causes are aged electronics, cold solder joints, moisture and corrosion on plugs, and voltage spikes.

As long as the crash data remains in the memory, the message stays. Only targeted deletion removes it.

The other causes concern the components themselves. If the battery becomes weak or the on-board network receives jump-start power, voltage spikes can damage the electronics.

How can you tell that the GV4T-14B321-BC is defective?

Typical signs are an airbag warning light in the instrument cluster that stays on permanently or intermittently, along with a fault message there. In addition, the diagnostic tool cannot reach the control unit, and the fault memory cannot be cleared.

Airbags and seatbelt pretensioners may then possibly fail to trigger in an emergency. That is why the warning light must be taken seriously.

The warning light shows the defect as soon as it is present.

Which vehicles is the GV4T-14B321-BC fitted in?

The GV4T-14B321-BC is fitted in these vehicles: Ford Kuga 2 ’13 (2012-2016) and 2 ’13 Facelift (2016-2019).

The list follows:

• Ford Kuga 2 ’13 (2012-2016)
• Ford Kuga 2 ’13 Facelift (2016-2019)

The part number on the label of the removed unit should be compared with this page, so that you can be sure you have the right unit in front of you. Have the fault memory read out beforehand, because this log 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 285012044, 6E5T15607CA, 8M5T14B342AC, 9V4T-14B321-AB, CJ5T14B321AG, CV4T 14B321 CG.

How does the repair of the GV4T-14B321-BC work?

You have the fault memory read out and include the log in the parcel before you disconnect the battery. Only then do you remove the control unit, and you create the repair order online.

Then send the unit in, well packed.

Airbag24 checks the unit on the test bench, replaces defective components, deletes the stored crash data and carries out a function test. Processing usually takes 3–4 working days, after which the unit is returned 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 GV4T-14B321-BC get to Airbag24?

The unit goes to Airbag24 as a parcel, or you book a UPS collection for an extra charge. The return after the repair is also made by UPS.

The printed repair order goes into the parcel. The packaging must protect the unit against shocks.