Land Rover 4 L319 Rear Door Control Unit Module Left Right N/O/S BH42-14D620-AA

The Land Rover 4 L319 Rear Door Module Left Right is an original part from the Electronic Control Modules and Controllers category, designed to manage the functions of both the left and right rear doors of the vehicle. It ensures stable control of the electrical systems within the doors, leading to predictable system operation and enhanced daily driving comfort. This is the ideal solution for users seeking factory-level compatibility and proven electronics tailored to the specific requirements of Land Rover models.

Specifications and technical data

• SKU: BH42-14D620-AA
• Mark: Land Rover
• Condition: Used
• OEM Part Number: BH42-14D620-AA
• Substitutable numbers: BH42-14D620-AA, BH4214D620AA, LR023340
• Location on the vehicle: Rear, Right, Left
• Part type: Door Control Unit
• Category: ECUs & Computer Modules

Purpose and Function of the Rear Door Module

The presented module belongs to the group of Electronic Control Modules and Controllers, responsible for managing the operation of the electrical systems in the vehicle's rear doors. It processes signals from switches and sensors, then transmits them to the appropriate actuators, such as power locks or electric motors.

The module is located in the rear section of the vehicle, covering both the left and right sides, allowing for synchronized control of both rear doors. This ensures a consistent system logic and orderly communication with the vehicle's main network.

Benefits of Using an Original Land Rover Module

Using an original module specifically designed for Land Rover maintains consistency with the vehicle's factory electrical architecture. This translates to:

• Precise integration with the electrical system – connectors, wiring harnesses, and mounting methods are compliant with the manufacturer's solutions,
• stable cooperation with other controllers in the vehicle,
• preservation of the manufacturer-intended rear door functions,
• reduction of communication errors within the vehicle network.

This module is a used part, which allows for an economical repair of the electronic system while maintaining the original hardware specifications.

Vehicle Placement and Installation Aspects

The module is designed for installation in the rear of the vehicle, with applicability for both the right and left sides. This design facilitates servicing and replacement in case of a circuit failure in one of the doors, while also maintaining a uniform standard of components throughout the rear body area.

When selecting a module, it is important to verify compatibility with your vehicle based on manufacturer markings and equipment configuration. Proper hardware and software matching minimizes the need for additional vehicle adaptations.

Selecting a Used Electronic Module – Expert Support

For automotive electronics, correct component matching to the specific vehicle version is crucial. It is advisable to use manufacturer markings, catalog data, and vehicle placement information to avoid compatibility issues. A detailed guide on selection principles, including part numbers, hardware and software compatibility, and practical installation examples, can be found in our guide: Used Automotive Electronics – Why Choose Second-Hand ECU Modules and Sensors.

Other Land Rover Electronic Control Modules and Controllers

If you are also looking for other Land Rover Electronic Control Modules and Controllers for your car, check out our dedicated offer: Land Rover Electronic Control Modules and Controllers. This will allow you to easily assemble a cohesive set of electronic components tailored to your specific model and equipment configuration.