Airbag control unit with part number ET76-14B321-DF

What does the airbag control unit ET76-14B321-DF do?

The airbag control unit ET76-14B321-DF manages the SRS restraint system in the vehicle of Ford. It processes the measured values from the crash sensors and determines in an accident which airbags and seatbelt pretensioners deploy.

During operation it tests the system, and faults appear via the airbag warning light. After an accident, the unit stores crash data and locks itself.

Why does the control unit ET76-14B321-DF fail?

Stored crash data is the most common cause with the ET76-14B321-DF, even if no airbag was triggered in the accident. A usual diagnostic tool cannot reach these entries. In addition there are aged components, cold solder joints, wet conditions or corrosion at plugs, and voltage spikes.

During the repair, Airbag24 reliably removes the crash data.

Electronics and solder joints are subject to ageing. Moisture and corrosion attack the contacts and disturb the signals.

Voltage spikes occur, for example, when a battery is weakening or a vehicle is started with external power.

How can you tell that the ET76-14B321-DF is defective?

Typical is the airbag warning light in the instrument cluster, which lights up permanently on the ET76-14B321-DF or only blinks now and then. Additionally, error messages appear, the diagnostic tool finds no connection to the control unit, or the fault memory remains.

A defect can, in an emergency, mean that airbags and seatbelt pretensioners do not deploy. So take the warning seriously.

Which vehicles is the ET76-14B321-DF fitted in?

The following list applies to part number ET76-14B321-DF. The airbag control unit ET76-14B321-DF is fitted in these vehicles: Ford Transit Courier 1 (2014-2018) and 1 Facelift (2018-2023); Ford Tourneo Courier 1 Facelift (2018-2023) and 1 (2014-2018).

The list in detail:

• Ford Transit Courier 1 (2014-2018)
• Ford Transit Courier 1 Facelift (2018-2023)
• Ford Tourneo Courier 1 Facelift (2018-2023)
• Ford Tourneo Courier 1 (2014-2018)

First check the number on the label of the removed unit against this page, so that you have the correct unit. Then have the fault memory read out. Only this evaluation shows whether the control unit itself is defective or whether a cable is the cause.

For the same vehicles, we also repair control units with the part numbers ET76-14B321-CF.

How does the repair of the ET76-14B321-DF work?

First have the fault memory read out and attach the log. Then disconnect the battery, remove the control unit and create the repair order online. Airbag24 processes the ET76-14B321-DF usually within 3–4 working days.

Only then do you send the unit in, well packed. At Airbag24, specialists examine the control unit on the test bench, repair defective components, erase the stored crash data and carry out a function test.

You then receive your own unit back.

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 ET76-14B321-DF get to Airbag24?

You send the ET76-14B321-DF to Airbag24 as a parcel, or you book a UPS collection for an extra charge. After the repair, UPS brings the unit back to you.

Make sure the control unit does not shift in the box, and enclose the repair order.