Land Rover 4 L319 Front Door Control Unit Module Passenger Side BH42-14D617-AA

The Land Rover Discovery 4 L319 Front Passenger Door Module is an item from the Electronic Control Modules and Controllers category, responsible for the proper operation of electrical systems in the front passenger door. The offered module comes from a Land Rover vehicle and is designed for installation in the front part of the body, ensuring proper communication with the car's electrical system.

Specifications and technical data

• SKU: BH42-14D617-AA
• Mark: Land Rover
• Condition: Used
• OEM Part Number: BH42-14D617-AA
• Substitutable numbers: BH42-14D617-AA, BH4214D617AA, LR023342
• Location on the vehicle: Front
• Part type: Central Timing Module
• Category: ECUs & Computer Modules

Purpose and Function of the Passenger Door Module

The front passenger door module in the Discovery 4 L319 is responsible for controlling and monitoring electrical functions in the right front door. In a typical configuration, it works with the vehicle's electrical system, handling, among other things:

• communication with the main body control module network,
• power supply and control of electrical components within the door,
• integration with the vehicle's comfort and safety systems.

Thanks to the use of a dedicated module for the specific L319 body style, operational consistency with other control modules in the vehicle is maintained.

Benefits of Using an Original Land Rover Module

Electronic control modules in modern cars are closely linked to the electrical architecture of a specific model. Using a module designed for the Discovery 4 L319 allows for:

• consistency with the factory installation – the module works with the existing wiring harness and other body control modules,
• stable operation of door systems – reducing the risk of communication errors and improper functioning of electrical components,
• easier diagnostics – correct identification of the control module by a diagnostic tester simplifies servicing and configuration.

Its placement in the front of the vehicle makes the module crucial for the comfort and functionality of the passenger door, therefore selecting the correct component directly impacts the daily use of the car.

Category Characteristics: Electronic Control Modules and Controllers

Products in the Electronic Control Modules and Controllers category play a central role in managing body and equipment functions. For the Discovery 4 L319, the passenger door module works with other control modules, creating a cohesive system for managing comfort and safety. A properly selected control module:

• ensures predictable operation of electrical systems,
• reduces the need for installation modifications,
• facilitates the preservation of the vehicle's original system logic.

Choosing an item from this category dedicated to a specific Land Rover model helps maintain the brand's characteristic performance and comfort features.

Condition, Origin, and Practical Application

The offered module is a used part, originating from a Land Rover vehicle. This type of component is particularly attractive to users who want to restore full functionality to the passenger door while maintaining reasonable repair costs. Installation in the front of the vehicle allows for direct integration with the existing electrical system, without the need for door structure modifications.

Before installation, it is recommended to verify the control module's compatibility with the specific vehicle equipment version and, if necessary, perform adaptation or configuration using appropriate diagnostic equipment, in accordance with the service procedures for the Discovery 4 L319.

Related Land Rover Modules and Expert Knowledge

If you are looking for other Land Rover Electronic Control Modules and Controllers for your car, check out the Land Rover Electronic Control Modules and Controllers available in our store to select components tailored to your vehicle's electrical architecture.

Want to better understand how original control modules influence the character and driving dynamics of a premium car? Read the article on our blog: Audi and Pure Emotion – How Original Modules and Components Restore a Car's Factory Characteristics, where we discuss the importance of properly selected electronic components in modern designs.

We also recommend the material explaining why choosing original components is beneficial in terms of durability and safety: Why Used Original OEM Parts Are a Safe and Economical Solution for Your Car.