Land Rover Discovery Sport L550 Keyless Module Control Unit FK72-19H440-BF

The Land Rover Discovery L550 Keyless Entry Module is a specialized component from the Electronic Control Units and Controllers group, responsible for handling keyless access and vehicle start-up without a traditional key. An original Land Rover module ensures proper integration with the vehicle's electrical system and factory security systems, leading to stable operation of comfort and safety systems.

Specifications and technical data

• SKU: FK72-19H440-BF
• Mark: Land Rover
• Condition: Used
• OEM Part Number: FK72-19H440-BF
• Substitutable numbers: 5E07704N7, FK72-19H440-BF, FK7219H440BF, LR080744, FK7219H440BH, FK72-19H440-BH
• Category: ECUs & Computer Modules

Module Purpose and Function

The presented keyless entry module is responsible for managing access and authorization functions in the Land Rover Discovery L550. In practice, this means it works with antennas, the key card or remote, door handle sensors, and the starter system, allowing the driver to open and start the vehicle conveniently and reliably.

As part of the Electronic Control Units and Controllers category, the module integrates with the vehicle's communication bus, transmitting information to other onboard controllers. A correctly chosen component helps avoid communication issues, dashboard error messages, and improper functioning of the keyless entry system.

Benefits of Using an Original Land Rover Module

Using an original module specifically designed for the Discovery L550 minimizes the risk of software and electrical incompatibility, which is common with random aftermarket replacements. The controller is designed for specific software and installation architecture, facilitating its adaptation during servicing and maintaining consistent operation of all comfort functions.

The module has assigned part numbers and interchangeable numbers, allowing for precise matching to the specific vehicle configuration. This is particularly important when repairing advanced electronic systems, where reference compatibility directly impacts the correct operation of the entire system.

Product Characteristics and Service Application

The offered component is an original Land Rover part intended for service applications in the Discovery L550 model equipped with a keyless entry system. It is suitable for replacing a damaged module after a failure, as well as for resolving issues with remote communication, key recognition, or unstable start/stop function operation.

Thanks to its factory design and appropriate connectors, the module can be integrated into the existing wiring harness without requiring any modifications to the installation. This simplifies workshop procedures and reduces the time needed to restore full functionality to the keyless entry system.

Part Condition, Verification, and Selection

The product is offered as a used part, allowing for economical repairs while maintaining the original manufacturer's specifications. Before installation, it is recommended to verify the compatibility of the part number and interchangeable numbers with the vehicle's documentation or catalog information to ensure proper cooperation with other controllers.

If necessary, the module may require adaptation or programming procedures within the vehicle, in line with service practices for modern electronic systems. A correctly selected and configured controller can restore full keyless entry system functionality without interfering with the mechanical elements of the locks or ignition switch.

Electronic System Expansion and Service Knowledge

If you are planning a comprehensive repair or upgrade of the comfort and security electronics in your BMW 3 or 5 Series and require other components from the same group, such as iDrive modules, FRM controllers, or engine control units, it is worth consulting reliable service materials. Practical tips can be found in the article Years of Driving Pleasure – How to Care for iDrive Systems and Electronic Modules in BMW 3 and 5 Series Models Using Used Parts?.

For users considering the choice between a used part and an aftermarket replacement for electronic system repairs, the guide 5 Reasons Why a Used OEM Part is a Better Choice Than an Aftermarket Replacement, which discusses practical component selection criteria, may also be helpful.

If you are planning a comprehensive repair or upgrade of the comfort and control electronics in your Land Rover and require other components from the same group, such as body control modules, comfort modules, or other electrical system management units, check the available parts in the Land Rover Electronic Control Units and Controllers category.