Airbag control unit with part number 9T1T-14B321-BC

What does the airbag control unit 9T1T-14B321-BC do?

The airbag control unit 9T1T-14B321-BC coordinates the SRS (restraint system) of Ford. The crash sensors supply it with the measured values, from which it decides within milliseconds in an accident which airbags and seatbelt pretensioners to trigger. It also monitors the entire system, and faults appear on the airbag warning light.

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

In everyday driving it only stands out when there is a fault.

Why does the control unit 9T1T-14B321-BC fail?

The most common cause is crash data stored after an accident, even if no airbag has deployed; a normal diagnostic tool cannot erase it. Aside from that, aged electronic components, cold solder joints, moisture at plug connections and voltage spikes play a role.

Airbag24 erases the crash data during the repair. Anyone who tries it beforehand with ordinary tools gets nowhere.

Further causes in detail:

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

How can you tell that the 9T1T-14B321-BC is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently, and a fault message appears in the instrument cluster. The diagnostic tool gets no connection to the control unit, and the fault memory cannot be cleared. Then the airbags and seatbelt pretensioners may not deploy in an emergency.

These signs indicate that something is wrong in the system. So have it checked promptly. Only the fault memory shows whether the control unit itself is affected.

Which vehicles is the 9T1T-14B321-BC fitted in?

The control unit 9T1T-14B321-BC is fitted in these vehicles: Ford Tourneo Connect 1 ’02 (2002-2006) and 1 ’02 Facelift (2006-2013); Ford Transit Connect 1 ’02 (2002-2006) and 1 ’02 Facelift (2006-2013). Before removing the unit, use this information to check whether your car is the one meant.

The list shows the vehicles that belong to this number:

• Ford Tourneo Connect 1 ’02 (2002-2006)
• Ford Tourneo Connect 1 ’02 Facelift (2006-2013)
• Ford Transit Connect 1 ’02 (2002-2006)
• Ford Transit Connect 1 ’02 Facelift (2006-2013)

Compare the part number on the label of the removed unit with this page; this only confirms that you have the right unit. Have the fault memory read out beforehand as well, because only this result reveals whether the control unit is defective or a connector or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 2T1T-14B321-AC, 9T1T14B321BD, KT1T-14B321-KD.

How does the repair of the 9T1T-14B321-BC work?

First have the fault memory read out and enclose the log; then disconnect the battery and remove the control unit. After that, create a repair order online and send in the well-packed unit. At Airbag24 it is checked on the test bench, defective components are repaired, the crash data is erased and a function test is run before your own unit goes back.

At Airbag24, checking, repairing and testing 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 9T1T-14B321-BC get to Airbag24?

You send the control unit to Airbag24 as a parcel, or you book a UPS collection for an extra charge. Airbag24 returns the unit to you by UPS after the repair.

The printed repair order is in the parcel, and the unit is packed shockproof.