Land Rover Discovery 3 276DT 190 HP Engine Module 8H2Q-12A650-AA Automatic is a specialized component from the Electronic Control Modules and Controllers category, designed to work with the 276DT unit producing 190 HP in the automatic transmission version. This is a solution for users seeking a proven engine controller that restores proper powertrain operation and stable driving parameters.
Specifications and technical data
- SKU: 8H2Q-12A650-AA-1
- Mark: Land Rover
- Condition: Used
- OEM Part Number: 8H2Q-12A650-AA
- Substitutable numbers: LR019991, YQE500420SW, 8H2Q12A650AB, 8H2Q-12A650-AB, 8H2Q12A650AA, 8H2Q-12A650-AA, 5WS40621C
- Gearbox type: Automatic
- Part type: Engine Control Unit (ECU)
- Category: ECUs & Computer Modules
Module Purpose and Function
The offered module is dedicated for use in the Land Rover Discovery 3 with the 276DT engine producing 190 HP, in a configuration with an automatic gearbox. As the central controller for the powertrain, it is responsible for processing signals from sensors, controlling fuel injection, managing auxiliary components, and interacting with other vehicle systems. This ensures stable power output, correct throttle response, and predictable vehicle behavior under various road conditions.
Compatibility and Reference Numbers
The module comes from the Land Rover parts line and is compliant with the OEM designation assigned to this type of engine controller. It also has cross-reference numbers, which facilitates selecting the correct part when comparing with other controllers used in this model. Before purchasing, it is advisable to compare the designations with the existing module in your vehicle or with the manufacturer's specifications to ensure full compatibility with the car's electrical system and software.
Automatic Transmission Compatibility
The presented controller is designed for versions with an automatic transmission. This means its configuration and operating logic are adapted for seamless integration with the automatic gearbox electronics, which is crucial for smooth gear changes, load response, and engine operating strategies across different driving modes. Using a module compatible with the correct transmission type is essential to avoid communication errors within the vehicle network and incorrect drivetrain operation.
Characteristics and Practical Application
As a component from the Electronic Control Modules and Controllers category, this engine controller is designed to operate in the demanding thermal and vibration conditions typical of an engine bay. In practice, its application allows for:
- restoring correct engine startup after a previous controller failure,
- stabilizing engine operating parameters in terms of power and torque,
- maintaining communication with other vehicle systems, such as ABS, traction control, or comfort modules,
- reducing the risk of the engine entering limp mode due to controller errors.
For workshops specializing in the Land Rover brand and for private users, this is a solution that enables a technically correct repair without the need to resort to replacement parts of uncertain origin.
Condition, Origin, and Installation Aspects
The module is offered as a used part, sourced from disassembly. Such components are often chosen by professional service centers as they allow for economical repairs while maintaining the original manufacturer's specifications. Before installation, it is necessary to consider the typical procedures for engine controllers in modern vehicles, such as potential programming, adaptation, or immobilizer matching – the scope of these actions depends on the specific vehicle configuration and equipment.
Why Choose This Engine Module
Choosing the presented controller for the Land Rover Discovery 3 276DT 190 HP automatic version primarily offers the advantage of maintaining consistency with the vehicle's factory electrical architecture. Original solutions of this type are designed for long-term operation, and their use minimizes the risk of software compatibility issues or CAN network communication problems. This is a beneficial option for users who want to restore full powertrain functionality while preserving the engine's factory operating parameters.
For those interested in the broader context of automotive electronics repair, including engine controllers, a guide on our blog may be helpful: how to long-term care for electronic modules and engine controllers using parts from disassembly.
