Land Rover Discovery Sport L550 Transmission Module Control Unit CGJ32-14C336-AA

The Land Rover Discovery L550 Gearbox Control Module CGJ32-14C336-AA is a specialized component from the Electronic Control Modules and Controllers group, responsible for precise management of the automatic transmission in the Discovery L550 model. A correctly selected gearbox controller ensures stable communication with other vehicle systems and helps maintain the powertrain's operational characteristics, typical for Land Rover. This solution is designed for users who expect a proven component with factory-level performance.

Specifications and technical data

• SKU: LR079636
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR079636
• Substitutable numbers: LR079636, CGJ32-14C336-AA, CGJ3214C336AA, GJ32-72401-AA, GJ3272401AA
• Part type: Transmission Control Module
• Category: ECUs & Computer Modules

Purpose and Function of the Gearbox Controller

The presented control module is designed for integration with the Land Rover Discovery L550 powertrain, where it analyzes sensor signals, selects gear ratios, and collaborates with safety and driving comfort systems. This allows the gearbox to operate predictably, maintaining appropriate dynamics and smooth gear changes.

As a component within the Electronic Control Modules and Controllers category, the controller plays a crucial role in the vehicle's digital architecture – it communicates with other modules, responds to driving modes, and supports driver-assistance systems.

Benefits of Using an Original Land Rover Module

Using a module dedicated to a specific generation of the Discovery L550 allows for the gearbox's operating parameters to remain consistent with the manufacturer's original specifications. In practice, this means:

• appropriate response to changes in load and driving style,
• correct cooperation with the axle drive system and traction systems,
• adherence to the manufacturer's intended gear shifting strategies in various driving modes.

The original Land Rover solution minimizes the risk of communication issues within the vehicle network and simplifies diagnostics using professional service testers.

Integration with Vehicle's Electrical System and Installation Aspects

The gearbox control module is structurally prepared to work with the Discovery L550's electrical system, facilitating its installation during replacement. Proper coding and adaptation within the vehicle allow for the restoration of correct gear shifting strategies and communication with other controllers.

Before installation, it is recommended to verify compatibility with the vehicle based on technical data and to consult with a service center specializing in the Land Rover brand to ensure the module is correctly assigned to the specific car configuration.

Product Condition and Application in Vehicle Service

The component is offered as a used control module, providing an attractive solution for workshops and users seeking a cost-effective way to restore gearbox functionality while maintaining original specifications. Such components are often used in repairs where conformity with the vehicle's original electronic architecture is crucial.

Combined with proper diagnostics and adaptation, a used controller can effectively resolve issues related to incorrect transmission operation, communication errors, or limited gearbox functions.

If you are planning a comprehensive repair or upgrade of the powertrain control area in your Land Rover and need other components from the same group, such as engine modules, traction system controllers, or drive management units, check the available parts in the Land Rover Electronic Control Modules and Controllers category.

To better understand the importance of original electronic modules in preserving a vehicle's character, it is worth reading an article describing the impact of factory components on the driving experience and comfort of Audi – you can find it here: Audi and pure emotion – how used parts help maintain the brand's DNA.