Airbag control unit with part number GX53-14D374-AJ

What does the airbag control unit GX53-14D374-AJ do?

The airbag control unit GX53-14D374-AJ coordinates the restraint system (SRS) of Jaguar. It evaluates the crash sensors, decides in an accident within milliseconds on airbags and seatbelt pretensioners, and monitors the system continuously. After an accident it stores crash data and locks itself.

The unit is the switching point between sensors and triggering. It registers faults during operation and reports them via the airbag warning light.

Precisely because there is no time for detours in an emergency, its flawless function is so important.

Why does the control unit GX53-14D374-AJ fail?

A major reason for a GX53-14D374-AJ fault is crash data stored after an accident, even if no airbag has deployed. Aged electronics, cold solder joints, moisture at plug connections and voltage spikes are also involved.

Stored crash data remains in the unit, because a normal diagnostic tool does not delete it. That is exactly why a fault can occur even though no airbag was triggered in the accident.

Aged components, cold solder joints and corrosion on contacts are further causes. Voltage spikes, as caused by a weak battery or a jump start, put additional strain on the electronics.

How can you tell that the GX53-14D374-AJ is defective?

A defect in the GX53-14D374-AJ shows up as the airbag warning light in the instrument cluster, which lights up permanently or intermittently. Further signs are fault messages in the instrument cluster, no connection to the diagnostic tool, and a fault memory that cannot be cleared.

The warning light is a clear sign that the restraint system has detected a fault. When it lights up, airbags and seatbelt pretensioners may not deploy in an emergency. Therefore have the warning light checked promptly.

Messages that disappear after starting and then come back also count among the signs. A check then provides clarity.

Which vehicles is the GX53-14D374-AJ fitted in?

The control unit GX53-14D374-AJ is fitted in these vehicles: Jaguar F-Type X152 Facelift (2019-2024) and X152 (2013-2019). The list lets you check whether your model is among them.

The individual vehicles are:

• Jaguar F-Type X152 Facelift (2019-2024)
• Jaguar F-Type X152 (2013-2019)

Compare the part number on the label of the removed unit with this page, so that you can be sure you have the right unit. Also read out the fault memory beforehand, because only this result shows whether the control unit is defective or whether a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers EX53-14D374-AD, EX53-14D374-AE, JX53-14D374-AB.

How does the repair of the GX53-14D374-AJ work?

For your GX53-14D374-AJ, you first read out the fault memory and enclose the log. Then you disconnect the battery and only then remove the control unit. Next you create a repair order online and pack the unit carefully for shipping. At Airbag24 you should allow 3–4 working days for checking, repair and test.

Airbag24 examines the unit on the test bench, replaces defective components and deletes stored crash data. A functional test follows, before your own, repaired unit is returned.

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 GX53-14D374-AJ get to Airbag24?

You ship the GX53-14D374-AJ as a parcel, or have it collected by UPS for an extra charge. Airbag24 sends the repaired unit back by UPS.

Include the printed repair order with the parcel, and pack the unit shock-resistant.