Airbag control unit with part number EB5T-14B321-AA

What does the airbag control unit EB5T-14B321-AA do?

The airbag control unit EB5T-14B321-AA controls the restraint system (SRS) in the Ford. It processes the readings from the crash sensors, decides within a few milliseconds in a collision whether airbags and seatbelt pretensioners are triggered, and checks the system continuously. It reports any faults found via the airbag warning light.

During normal operation, monitoring runs unnoticed in the background. The control unit tests the wiring and firing circuits, and every finding is recorded as an entry in the fault memory.

If an accident happens, the unit stores crash data and then locks itself.

Why does the control unit EB5T-14B321-AA fail?

The most common cause is crash data stored after an accident, even if no airbag was triggered. In the EB5T-14B321-AA, aged components, moisture and voltage spikes are also possible causes.

A standard diagnostic tool cannot erase the crash data. Airbag24 removes it as part of the repair.

• aged electronic components
• cold solder joints
• moisture and corrosion at plug connections
• voltage spikes from a weak battery or a jump-start

The exact cause only becomes clear after testing, because several of these points can come together.

How can you tell that the EB5T-14B321-AA is defective?

A defect in the EB5T-14B321-AA shows up as the airbag warning light in the instrument cluster lighting up constantly or intermittently. Other signs are an error message, no connection to the diagnostic tool, or a fault memory that cannot be cleared.

Airbags and seatbelt pretensioners may then not trigger in an actual accident. The light is therefore a clear sign that something is wrong with the system.

Which vehicles is the EB5T-14B321-AA fitted in?

The control unit EB5T-14B321-AA is fitted in these vehicles: Ford Explorer 5 (2011-2019).

The list below shows the vehicles registered for this part number.

• Ford Explorer 5 (2011-2019)

You can check whether the unit matches by comparing the part number on the label of the removed control unit with this page. That confirms only the unit, not the cause. So have the fault memory read out beforehand, because then you know whether the control unit or a plug or cable is affected.

For the same vehicles, we also repair control units with the part numbers BB5T-14B321-AH, DB5T-14B321-AE, DB5T-14B321-AF, DB5T-14B321-AG, GB5T-14B321-AC, HB5T-14B321-AA.

How does the repair of the EB5T-14B321-AA work?

First you have the fault memory read out and attach the log. Then you disconnect the battery and remove the EB5T-14B321-AA. Then you create a repair order online and send the unit in, well packed.

Airbag24 tests the control unit on the test bench, replaces defective components, clears stored crash data and runs a functional test. Your own unit is then sent back to you. Processing at Airbag24 usually takes 3–4 working days. 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 EB5T-14B321-AA get to Airbag24?

Either you send the EB5T-14B321-AA as a parcel, or you book a UPS collection for an extra charge. Airbag24 then sends the repaired unit back to you by UPS.

Put the printed repair order in the parcel and pack the unit shock-proof.