Land Rover Range Rover L322 Keyless Entry Control Module ECU AH42-19H440-AF

The Range Rover L322 Keyless Entry Module AH42-19H440-AF is a specialized component from the Electronic Control Modules and Controllers group, responsible for managing the convenient access to the vehicle without the need for a traditional key. Its original origin from the Land Rover brand ensures proper compatibility with the electrical system and electronic architecture of the Range Rover L322 model.

Specifications and technical data

• SKU: AH42-19H440-AF
• Mark: Land Rover
• Condition: Used
• OEM Part Number: AH42-19H440-AF
• Substitutable numbers: LR021874, AH4219H440AF, AH42-19H440-AF
• Category: ECUs & Computer Modules

Module Purpose and Function

The presented keyless module is part of the comfort access system, managing communication between the key card/key and the vehicle's electronics. It is responsible for recognizing an authorized key in the vicinity of the car, allowing for the unlocking of doors and preparing the vehicle's systems for engine start without the need to physically insert the key into the ignition.

As part of the Electronic Control Modules and Controllers category, the module communicates with other controllers in the vehicle via communication buses, enabling the seamless operation of the security system, central locking, and comfort systems.

Benefits of Using an Original Land Rover Module

Using an original module from the Land Rover brand ensures compatibility with the vehicle's factory configuration. This allows for:

• maintained correct communication with other controllers in the vehicle network,
• preservation of the factory functions of the keyless entry system,
• minimization of diagnostic errors and coding issues.

The module comes from a used vehicle, making it an attractive cost-effective alternative to new components while retaining its original design and intended function.

Vehicle Integration and Installation Aspects

The module is designed to operate within the specific electronic architecture of the Range Rover L322, facilitating its integration with the existing wiring harness and factory connectors. When replacing it, it is recommended to:

• perform computer diagnostics before and after installation,
• verify software and configuration compatibility with the vehicle,
• carry out adaptation or programming according to Land Rover service procedures.

This approach ensures stable operation of the keyless system and reduces the risk of issues with key authorization or error messages on the instrument cluster.

Professional Application and Parts Selection

The keyless entry module is particularly recommended in situations where there are problems with key recognition, unstable central locking operation, or disruptions in the comfort access system. Choosing an original controller from the same design group simplifies the work for workshops specializing in automotive electronics and service centers dealing with security system diagnostics.

When working with used electronic modules, it is advisable to utilize specialist knowledge regarding controller programming and adaptation. Additional information on a practical approach to repairing comfort modules and controllers in premium vehicles 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?

Expanding Control Systems in Land Rover Vehicles

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

When planning more extensive service work, especially before the winter season, a practical guide on selecting used parts and inspecting key vehicle systems may also be helpful: Winter Essentials: Which Used Car Parts Are Worth Checking and Replacing Before the Frost?

Summary

The Range Rover L322 Keyless Entry Module AH42-19H440-AF is an original electronic component designed to operate the comfort access system in Land Rover vehicles. Its use allows for the restoration of proper keyless function, maintaining consistency with the factory controller architecture and manufacturer standards, which is particularly important in the advanced electronic systems of modern off-road vehicles and luxury SUVs.