Airbag control unit with part number 9W83-14D374-AE

What does the airbag control unit 9W83-14D374-AE do?

The airbag control unit 9W83-14D374-AE is the central control of the SRS for Jaguar. It processes the signals from the crash sensors and, in the event of an accident, determines within milliseconds which airbags and seatbelt pretensioners are triggered. It also checks the entire system continuously and displays faults via the airbag warning light.

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

In everyday use you notice nothing of this as long as the system works without faults.

Why does the control unit 9W83-14D374-AE fail?

The most common cause of the 9W83-14D374-AE failing is stored crash data, even if no airbag was triggered in an accident. Aged components, cold solder joints, moisture, corrosion and voltage spikes are added.

Crash data cannot be removed with a normal diagnostic tool. Airbag24 erases it during the repair.

Electronics age, solder joints can be cold, and moisture or corrosion at plug connections disturb the contact.

Voltage spikes, for example from a weak battery or a jump start, place additional strain on the components. Which cause applies in an individual case only becomes clear during the examination.

How can you tell that the 9W83-14D374-AE is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently when the 9W83-14D374-AE is defective. A fault message in the instrument cluster, no connection between the diagnostic tool and the control unit, and a fault memory that cannot be cleared are added.

In an emergency, airbags and seatbelt pretensioners may then fail to trigger. These signs should therefore be taken seriously, and a prompt check is worthwhile.

Which vehicles is the 9W83-14D374-AE fitted in?

The 9W83-14D374-AE is fitted in these vehicles: Jaguar XK X150 Facelift (2009-2014) and X150 (2006-2009).

The list of affected vehicles follows.

• Jaguar XK X150 Facelift (2009-2014)
• Jaguar XK X150 (2006-2009)

Comparing the part number on the label of the removed unit with this page only confirms that it is the correct unit. Have the fault memory read out beforehand; only the result shows whether the control unit is defective or a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 6W83-14B321-AE.

How does the repair of the 9W83-14D374-AE work?

First have the fault memory read out and attach the log to the unit. Then disconnect the battery and only then remove the 9W83-14D374-AE. Next, create a repair order online and send in the unit.

On the test bench, Airbag24 examines the unit, repairs defective components, erases stored crash data and carries out a function test. Processing there usually takes 3–4 working days. Afterwards the unit returns 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 9W83-14D374-AE get to Airbag24?

You ship the 9W83-14D374-AE as a parcel, or you arrange a collection by UPS for an extra charge. After the repair it comes back to you by UPS.

You put the printed repair order into the parcel and pack the unit shock-proof.