Airbag control unit with part number L8A2-14D374-CF

What does the airbag control unit L8A2-14D374-CF do?

The airbag control unit L8A2-14D374-CF is the central control unit of the restraint system (SRS) for Land Rover. It evaluates the signals from the crash sensors and decides in an accident, within milliseconds, which airbags and seatbelt pretensioners are triggered.

The unit also monitors the system continuously. If it detects a fault, it reports this via the airbag warning light in the instrument cluster.

After an accident, the unit stores crash data and locks itself. It thereby records an event, regardless of whether an airbag has been triggered.

Why does the control unit L8A2-14D374-CF fail?

The most common cause is stored crash data after an accident, even if no airbag has been triggered. Other factors include aged components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes. With this control unit, erasing the crash data is often not possible. If you would like the crash data erased, contact Airbag24 briefly before sending the unit in.

Airbag24 checks the part number before the unit is sent in. This allows you to clarify in advance whether the crash data can be erased on your unit.

Aged components, cold solder joints and moisture can only be precisely assessed on the test bench. Voltage spikes, for example from a weak battery or a jump-start, can also strain the electronics.

How can you tell that the L8A2-14D374-CF is defective?

A defect shows up as an airbag warning light that stays on permanently or intermittently, an error message in the instrument cluster, or a diagnostic tool that cannot connect to the control unit.

• The airbag warning light stays on permanently or intermittently
• Error message in the instrument cluster
• Diagnostic tool cannot connect to the control unit
• Fault memory cannot be cleared

As long as the warning light is on, the airbags and seatbelt pretensioners may not trigger in an emergency. Please have the warning checked promptly.

Which vehicles is the L8A2-14D374-CF fitted in?

The part number L8A2-14D374-CF is fitted in these vehicles: Land Rover Range Rover Velar L560 (2017-2023) and L560 Facelift (from 2023).

The following vehicles are recorded with this part number:

• Land Rover Range Rover Velar L560 (2017-2023)
• Land Rover Range Rover Velar L560 Facelift (from 2023)

Compare the part number on the label of the removed unit with this page; that only confirms that the unit is the correct one. Whether the control unit is defective or a plug or cable is the cause is shown only by the fault memory, so have it read out beforehand.

For the same vehicles, we also repair control units with the part numbers J8A2-14D374-AE, J8A2-14D374-AH, J8A2-14D374-AJ, L8A214D374CD, LR037934, LR118105.

How does the repair of the L8A2-14D374-CF work?

First have the fault memory read out and attach the log, then disconnect the battery and remove the control unit. Then create a repair order online and send in the well-packed unit. Testing, repair and function test at Airbag24 usually take 3–4 working days.

Airbag24 tests the unit on the test bench, eliminates faults in defective components and carries out a function test. Afterwards the unit goes back to you.

If you would like the crash data erased, contact Airbag24 briefly before sending the unit in.

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 L8A2-14D374-CF get to Airbag24?

Either you send the unit yourself as a parcel, or you book a UPS collection for an extra charge. The return after the repair is made by Airbag24 via UPS.

Enclose the printed repair order with the parcel and pack the unit securely against shocks.