Airbag control unit with part number DT1T-14B321-GE

What does the airbag control unit DT1T-14B321-GE do?

The airbag control unit DT1T-14B321-GE is the central control unit of the restraint system (SRS) of Ford. It checks the crash sensors, decides in a crash on the triggering of airbags and seatbelt pretensioners, and monitors the system continuously.

It indicates detected faults via the airbag warning light in the instrument cluster.

After a crash, the unit stores crash data and locks itself.

Why does the control unit DT1T-14B321-GE fail?

The most common cause in the DT1T-14B321-GE is crash data stored after a crash, even if no airbag has triggered. They cannot be erased with an ordinary diagnostic tool.

The other causes act more gradually: electronic components age, and cold solder joints can cause contact problems.

Moisture and corrosion at plug connections also cause problems, and voltage spikes, for example from a weak battery or a jump start, stress the electronics.

How can you tell that the DT1T-14B321-GE is defective?

The airbag warning light in the instrument cluster indicates a defect in the DT1T-14B321-GE when it lights up constantly or intermittently. Accompanying this may be a fault message, a missing contact with the diagnostic tool or a fault memory that cannot be erased.

A fault memory that persists despite an attempt to erase it is a clear indication that the control unit itself may be affected. A disrupted contact with the diagnostic tool may also be due to this, but it does not have to be.

Until the cause is rectified, airbags and seatbelt pretensioners may possibly fail to deploy in an emergency.

Which vehicles is the DT1T-14B321-GE fitted in?

The list lets you place your vehicle. The airbag control unit DT1T-14B321-GE is fitted in these vehicles: Ford Transit 7 ’14 (from 2014).

Here are the vehicles:

• Ford Transit 7 ’14 (from 2014)

Have the fault memory read out before removal. Only then is it clear whether the control unit is really defective or whether plugs and cables cause the fault. Then compare the part number on the label of the unit with this page.

For the same vehicles, we also repair control units with the part numbers BK2T-14B321-BF, BK3T-14B321-AC, DT1T-14B321-DF, KT1T-14B321-KD, LK4Z-14B321-C, LK4Z-14B321-E.

How does the repair of the DT1T-14B321-GE work?

Before removal, read out the fault memory and enclose the log with the unit. Then disconnect the battery, remove the DT1T-14B321-GE, create the repair order online and send the unit in well packed. At Airbag24, 3–4 working days are planned as a rule for testing, repairing and checking.

Airbag24 examines the unit on the test bench, replaces defective components, erases the stored crash data and carries out a function test.

Your own unit then 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 DT1T-14B321-GE get to Airbag24?

You send the control unit DT1T-14B321-GE as a parcel or additionally book a UPS collection. After repair, Airbag24 sends it back by UPS.

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