Range Rover L405 Front Door Control Unit Module Passenger Side CPLA-14D617-AC

The Range Rover L405 Front Passenger Door Control Module is a specialized electrical component responsible for managing the functions of the front passenger door in Range Rover vehicles. It ensures the proper operation of door components, providing stable communication with the car's electrical system and comfort systems.

Specifications and technical data

• SKU: CPLA-14D617-AC
• Mark: Land Rover
• Condition: Used
• OEM Part Number: CPLA-14D617-AC
• Substitutable numbers: CPLA-14D617-AC, CPLA14D617AC, 1009011903, LR079136, 14C237AA, 14C108AC
• Location on the vehicle: Front
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and Function of the Passenger Door Controller

The presented front passenger door control module is a dedicated component for use in the Range Rover L405, specifically for the front passenger side door. Its task is to process signals from switches and sensors located within the door and transmit them to the vehicle's main systems. This allows for precise control of comfort and safety functions related to this body area.

Its placement in the front section allows for optimal wiring routing and interference reduction, contributing to the stable operation of the entire system. The module integrates seamlessly with the vehicle's electrical system, adhering to the factory electrical architecture of the Range Rover.

Technical Characteristics and Vehicle Integration

The controller belongs to the Other category, meaning it is a specialized electrical system component that is not part of standard operational groups but is crucial for the correct functioning of door equipment. The module's construction is designed to operate in an automotive environment, accounting for the variable temperatures, vibrations, and humidity typical of door spaces.

The component is designed to work with the factory Range Rover systems, which translates to:

• proper communication with the vehicle bus and other controllers,
• maintaining the original functionality of the front passenger door,
• consistency with the onboard software intended for this type of module.

Condition, Origin, and Service Application

The module is offered as a used part, which practically means a real possibility of reducing repair costs while maintaining compliance with the factory Range Rover specifications. This type of solution is particularly beneficial for vehicles where maintaining the original electrical architecture without the need for universal replacements is a priority.

In service applications, the front passenger door controller is suitable as:

• an exchangeable part in case of damage to the current module (e.g., after water ingress or electrical failure),
• a part for comparative diagnostics when searching for the source of faults in door circuits,
• an economical solution for workshops specializing in the Range Rover brand.

Benefits of Using an Original Range Rover Module

Choosing an original passenger door controller for the Range Rover L405 allows for maintaining the consistency of the vehicle's entire electrical system. Using a module that complies with factory specifications promotes:

• stable operation of the front passenger door functions,
• reduced risk of communication errors between body controllers,
• maintained predictable behavior of comfort and safety systems within the door area.

For workshops and users, this means easier diagnostics, better compatibility with factory service procedures, and greater predictability of the entire electrical system's operation.

Other Range Rover Parts and Guide Materials

If you are looking for other products from the Other category dedicated to this brand, check out our offer on other Range Rover parts, where you will find a wide selection of electrical components and accessories tailored to various models.

When planning a vehicle repair or upgrade, it is also worth familiarizing yourself with guide materials. For a comparison of the characteristics of sports versions and standard models, you can refer to the article Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which discusses design differences and manufacturers' approaches to powertrains and chassis.

If you are considering the choice between new and used parts, the guide Car Parts – New or Used? Comparing Costs, Quality, and Durability may also be helpful, discussing the economic and practical aspects of selecting the right components for your car.