Land Rover Discovery L550 200HP PT204 2.0 Petrol Engine Control Unit ECU Auto

Land Rover Discovery L550 200HP PT204 2.0 Petrol Engine Control Unit ECU Auto is a specialized electronic control module designed for the petrol engine unit paired with an automatic transmission. This component from the Electronic control modules and controllers group is responsible for precise engine management, ensuring stable parameters and correct communication with other vehicle systems. Thanks to its factory design tailored to a specific drivetrain configuration, it is the right choice for professional repairs or ECU replacement.

Specifications and technical data

• SKU: HX73-14C568-BC
• Mark: Land Rover
• Condition: Used
• OEM Part Number: HX73-14C568-BC
• Substitutable numbers: HX73-14C568-BC, HX7314C568BC, LR135917
• Fuel type: Petrol
• Gearbox type: Automatic
• Part type: Engine Control Unit (ECU)
• Category: ECUs & Computer Modules

Purpose and function of the controller

The presented engine control unit is designed to work with the petrol powertrain in the Land Rover Discovery L550, in the 200 HP version, marked as PT204, with an automatic transmission. It is responsible for processing sensor signals, controlling fuel injection, ignition, and coordinating with the automatic transmission system, which translates into smooth drivetrain performance. Thanks to dedicated software and an architecture matched to the specific model, the module maintains the consistency of factory parameters, supporting the correct operation of safety and comfort systems. This solution allows for restoring the proper operation of the powertrain without interfering with the electrical installation design.

Benefits of using an original Land Rover module

Choosing a controller from the Electronic control modules and controllers group dedicated to the Land Rover Discovery L550 provides a number of practical advantages:

• preservation of factory control logic for the engine and automatic transmission,
• correct communication with the vehicle network (including comfort and safety systems),
• possibility of diagnostics using standard service tools,
• reduction of the risk of errors resulting from incompatible replacements. A used OEM module is a reasonable compromise between cost and quality – it allows for maintaining powertrain characteristics consistent with the manufacturer's specifications while ensuring cost-effective repairs. A properly selected controller is crucial, especially in vehicles with complex electronics and automatic transmissions.

Integration with the petrol + automatic drivetrain

The controller has been configured to work with a petrol engine and an automatic transmission, which is important when selecting parts in the event of a failure or replacement. Using a module intended for a different fuel type or a different transmission may lead to improper engine operation, gear shifting control errors, or adaptation problems. Proper selection of the ECU in terms of fuel type and transmission type facilitates the programming and adaptation process in the vehicle and shortens diagnostic time. Drivetrain configuration consistency is particularly important in modern designs where the engine controller works with many auxiliary modules.

Condition and use in professional service

The item is offered as used, which in workshop practice often constitutes a cost-effective solution while maintaining an appropriate level of quality. Such controllers are frequently used in professional service centers specializing in the Land Rover brand, both for routine repairs and for restoring vehicle functionality after electronic damage. Before installation, a standard diagnostic procedure is recommended, as well as – if necessary – matching the software to the specific vehicle. A properly prepared module allows for restoring full functionality of the drivetrain without the need for modifying wiring harnesses or mechanical components. If you are planning a comprehensive repair or upgrade of the engine area in your Land Rover and need other components from the same group, such as control modules, engine controllers, or ECU units, check the available parts in the Land Rover electronic control modules and controllers category.

Additional materials and technical knowledge

When working with advanced vehicle electronics, it is worth using reliable sources of knowledge regarding the quality of used components and their impact on the car's character. A broader context of the role of original control modules in maintaining driving characteristics and comfort is described in the article: Audi and emotions in their purest form. How do used parts help maintain the brand's DNA?, which shows how properly selected electronic components help maintain factory vehicle parameters.