Land Rover Discovery 4 L319 Door Control Module Rear Right O/S BJ32-14D620-AD

The Range Rover Evoque L538 Rear Door Control Module is an original part from the Electronic Control Modules and Controllers group, designed to manage the functions of the rear doors in a Land Rover vehicle. Designed as a factory-spec controller, it ensures consistency with the car's electrical architecture and stable operation with other comfort and safety systems.

Specifications and technical data

• SKU: BJ32-14D620-AD
• Mark: Land Rover
• Condition: Used
• OEM Part Number: BJ32-14D620-AD
• Substitutable numbers: BJ32-14D620-AD, BJ3214D620AD
• Location on the vehicle: Rear, Right
• Category: ECUs & Computer Modules

Module Purpose and Function

This control module is responsible for operating selected functions within the rear of the body, according to the configuration used in the Range Rover Evoque L538. As a dedicated component for a specific model, it works with the vehicle's electrical system and communication bus, enabling the correct operation of associated sub-assemblies.

Thanks to its factory origin, the module maintains parameters consistent with the manufacturer's requirements, which facilitates diagnostics, coding, and integration with the vehicle's existing software. This solution is particularly beneficial for repairs where hardware and software compatibility with the original car configuration is crucial.

Construction and Integration with Vehicle's Electrical System

The module belongs to the Electronic Control Modules and Controllers group, meaning it is designed to operate within the vehicle's controller network, adhering to appropriate communication and security standards. The housing is adapted for installation in the rear of the car, taking into account the typical operating conditions for this area.

As an original Land Rover part, the controller is prepared for integration with factory wiring harnesses and connectors used in the Range Rover Evoque L538. This simplifies installation and reduces the risk of problems arising from incompatible components.

Service Application and Benefits of Choosing a Used Module

A used rear door control module is a practical solution in situations where a damaged controller needs replacement after a collision, flooding, or electrical failure. In many cases, it allows for the restoration of full system functionality without the need for costly replacement of entire wiring harnesses or additional components.

The main advantages of such a solution include:

• Replication of factory operating logic – maintaining parameters similar to the originally installed controller.
• Possibility of matching by OEM and reference numbers – facilitating the selection of the correct part for a specific equipment version.
• Consistency with diagnostic systems used in workshops servicing the Land Rover brand.

To better understand how to safely select and install used controllers and other electronic components, it is worth consulting the practical guide from Global Parts: Used Automotive Electronics – Second-Hand ECU Modules and Sensors.

Selection, Compatibility, and Installation

When selecting a rear door control module for the Range Rover Evoque L538, it is crucial to pay attention to compatibility with the specific vehicle version, its equipment, and electrical configuration. It is recommended to compare data with service documentation or use part number identification to avoid communication issues within the controller network.

During installation, standard procedures for working with vehicle electronics should be followed, in particular:

• disconnecting the power supply before starting work,
• checking the condition of connectors and harnesses in the rear of the vehicle,
• potentially performing module adaptation or configuration according to manufacturer requirements.

This approach minimizes the risk of communication errors, fault codes stored in the controller memory, and incorrect operation of associated comfort functions.

Expanding Land Rover Control Systems

If you are planning a comprehensive repair or upgrade of the rear section of your Land Rover and need other parts from the same group, such as additional controllers, comfort modules, or lighting control units, check the available parts in the Land Rover Electronic Control Modules and Controllers category.