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

The Land Rover Discovery Sport L550 Keyless Control Module is an original part from the Electronic Control Modules and Controllers group, responsible for managing keyless entry and vehicle start. Designed by the vehicle manufacturer, it ensures seamless integration with the factory electrical system and provides convenient operation of the keyless system in your Discovery Sport.

Specifications and technical data

• SKU: FK72-19H440-AF
• Mark: Land Rover
• Condition: Used
• OEM Part Number: FK72-19H440-AF
• Substitutable numbers: FK72-19H440-AF, FK7219H440AF, LR080756
• Category: ECUs & Computer Modules

Purpose and Function of the Keyless Module

The presented control module is responsible for communication between the key fob and the vehicle's electronics, managing access authorization and engine start. As an OEM part from Land Rover, it works with factory antennas, sensors, and the body's wiring harness, which translates to stable operation of the keyless system in the Discovery Sport L550 model.

Thanks to the use of an original controller, the correct logic for comfort functions is maintained, such as proximity unlocking and locking of the vehicle or operation of the start/stop button, without the need for wiring modifications or interference with the car's electrical architecture.

Benefits of Using an Original Module

Using a factory control module from the same family as the one installed on the production line allows for consistency in the vehicle's software and configuration. This solution reduces the risk of communication errors within the vehicle network and diagnostic issues, and also facilitates potential coding and adaptation at a service center.

A used OEM part is a sensible compromise between cost and quality – you retain the original design and operating parameters of the keyless system while avoiding the expenses associated with purchasing a new unit. For many users, this is a practical way to restore full vehicle functionality after a controller failure.

Integration with Vehicle's Electrical System

The module has been developed specifically for the Discovery Sport L550 platform, meaning its housing, connectors, and mounting method are tailored to factory mounting points. This simplifies service replacement and helps maintain order in the electrical harnesses without additional modifications.

Proper integration with the vehicle's electronic system is crucial for the correct operation of safety and comfort functions. The original controller from the Electronic Control Modules and Controllers group has been designed with the manufacturer's requirements in mind regarding interference resistance, vehicle network communication, and cooperation with other onboard controllers.

Selection, Compatibility, and Practical Tips

When selecting a keyless module for the Land Rover Discovery Sport L550, it is crucial to match it to the specific vehicle configuration and ensure compatibility with the existing electronic architecture. In practice, this means paying attention to manufacturer markings, equipment version, and potential differences between the markets for which the car was produced.

To better understand the principles of selecting used electronics, including controllers and sensors, it is worth consulting a guide dedicated to this topic. Detailed discussion of compatibility issues, selection by manufacturer markings, as well as practical examples can be found in the article Used Automotive Electronics Onboard – Why Choose Second-Hand ECU Modules and Sensors?.

Expanding the Control System in a Land Rover

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

This approach helps maintain the consistency of the entire electronic system, simplifies diagnostics and servicing, and increases the likelihood of seamless cooperation between all controllers in the vehicle after the repair or upgrade is completed.