Land Rover Discovery L550 Door Module Control Unit Rear Right O/S HK83-14D620-BB

The Land Rover Discovery L550 Rear Right Door Module is a specialized component from the Electronic Control Modules and Controllers group, responsible for managing door functions in the rear right section of the vehicle body. This solution is designed for users who expect stable electrical system operation and correct functionality of door equipment in their Discovery L550.

Specifications and technical data

• SKU: HK83-14D620-BB
• Mark: Land Rover
• Condition: Used
• OEM Part Number: HK83-14D620-BB
• Substitutable numbers: LR095502, HK8314D620BB, HK83-14D620-BB
• Location on the vehicle: Rear, Right
• Part type: Door Control Unit
• Category: ECUs & Computer Modules

Module Purpose and Function

The presented module is dedicated for installation in the rear right door area of the vehicle, where it controls selected electrical functions and communicates with the main vehicle network. As part of the electronic system, it collaborates with other body control modules, ensuring consistent operation of comfort and safety systems.

Thanks to its construction aligned with factory Land Rover standards, the module maintains the correct connection architecture, which facilitates integration with the existing wiring harness and reduces the risk of communication errors on the vehicle bus.

Benefits of Using an Original Door Module

Using a door module specifically designed for the Discovery L550 allows for maintaining the consistency of the electronic system and avoiding problems typical of aftermarket replacements with uncertain specifications. Proper matching to the rear right side of the body translates to:

• correct cooperation with the door's electrical system,
• preservation of the factory logic for comfort functions,
• reduction in the need for wiring or connector modifications,
• easier diagnostics in case of potential faults.

As a component from the Electronic Control Modules and Controllers category, the product is designed for operation in the demanding automotive environment, where resistance to temperature changes and electrical parameter stability are crucial.

Selection, Compatibility, and Installation

Before installing the door module in the Discovery L550, it is recommended to verify compatibility by OEM number and compare the configuration with the currently installed controller. Correct selection based on equipment version and vehicle side minimizes the risk of communication errors with other controllers and facilitates adaptation in the vehicle.

In practice, installation involves:

• removing the trim of the rear right door,
• disconnecting electrical connectors from the old module,
• transferring mountings and connecting the new controller,
• performing any necessary adaptation procedures using an appropriate diagnostic tester.

Due to the nature of an electronic component, it is recommended to entrust the installation to a workshop experienced with Land Rover systems to ensure full system functionality.

Product Characteristics and Practical Application

The offered module is a used original part, which allows for an attractive cost while maintaining factory specifications. For Discovery L550 owners, this is a particularly useful solution for:

• resolving electrical faults in the rear right door,
• restoring functionality after flooding or mechanical damage to the controller,
• comprehensive repair of door wiring after a collision.

Choosing an original door module helps maintain the consistency of the vehicle's electronic system, which is important for both everyday comfort and later service diagnostics.

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

Technical Support and Selection of Used Electronics

When selecting a used control module, correct matching by OEM number, hardware and software version, and vehicle equipment configuration is crucial. A detailed discussion of selection principles, including working with reference numbers, HW/SW compatibility, and practical installation examples, can be found in the Global Parts guide: Used Automotive Electronics Onboard – Why Choose Second-Hand ECU Modules and Sensors?