Range Rover Sport L494 Aerial Antenna Module Keyless Unit X2 AH42-15K603-AA

Range Rover Sport L494 Aerial Antenna Module Keyless Unit X2 is a component from the Electronic control modules and controllers group, responsible for supporting the vehicle's keyless entry and start system. A properly selected keyless antenna module ensures stable communication between the key fob and the car's electronics, which translates into daily convenience and the correct operation of comfort functions.

Specifications and technical data

• SKU: AH42-15K603-AA-1
• Mark: Land Rover
• Condition: Used
• OEM Part Number: AH42-15K603-AA
• Substitutable numbers: AH42-15K603-AA, AH4215K603AA, LR012709, 5E08X0107
• Category: ECUs & Computer Modules

Function and application of the Keyless antenna module

The presented keyless antenna module works with the factory keyless entry system in the Range Rover Sport L494 model, responsible for receiving and transmitting signals from the remote control to the vehicle's controllers. A properly functioning antenna is crucial for functions such as:

• locking and unlocking the vehicle by touching the door handle,
• key authorization when starting the engine with the start button,
• stable communication with body electronics in various zones of the car.

By using an original module from the same design group, full compatibility with the vehicle's electrical installation and network architecture is maintained.

Benefits of using an original Land Rover module

Choosing a keyless antenna module from the Land Rover brand allows you to maintain consistency with the vehicle's factory electronic system. This means:

• a perfect fit for the existing wiring harness and connectors,
• cooperation with original controller software,
• preservation of the comfort system operating parameters specified by the manufacturer.

Such a solution reduces the risk of communication problems in the vehicle network, dashboard errors, or unstable operation of keyless functions, which is particularly important in modern premium class cars.

Product characteristics and installation

The keyless antenna module belongs to the Electronic control modules and controllers group, so its correct operation depends on proper selection for the specific vehicle configuration. Before installation, it is recommended to:

• verify compatibility with the vehicle's equipment (presence of a keyless system),
• check if the electrical installation has any mechanical damage or signs of corrosion,
• perform diagnostics after installation to confirm communication with other controllers.

Professional installation and potential adaptation using an appropriate diagnostic tester help ensure stable system operation and avoid interference with the operation of other electronic modules.

Product condition and practical application

The offered module is an aftermarket part, which allows for an economical restoration of the keyless system's efficiency in the Range Rover Sport L494 while maintaining the original design of the system. This solution is particularly beneficial in situations where:

• the previous module was damaged due to flooding, power surges, or installation failure,
• there are problems with recognizing the key fob in specific zones of the vehicle,
• it is necessary to replace the component as part of a comprehensive repair of comfort electronics.

Selecting the right keyless antenna module allows you to restore the convenience of using the vehicle and ensure proper cooperation with other body controllers.

If you are planning a comprehensive repair or upgrade of the comfort electronics area in your Land Rover and need other components from the same group, such as comfort modules, body controllers, or other systems responsible for access and start functions, check the available parts in the Land Rover electronic control modules and controllers category.

How to consciously choose used automotive electronics

When purchasing a used keyless antenna module, it is worth paying attention to the origin of the part, the possibility of its diagnostics, and compatibility with the system used in the vehicle. Practical tips on selecting controllers and electronic modules can be helpful – you will find them in the article A second life for electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?, which discusses key aspects of safely using dismantled electronics.