Jaguar X-Type X400 Gearbox Transmission Control Module TCM 2.5 V6 5X43-72401-BB

Jaguar X-Type X400 Gearbox Transmission Control Module TCM 2.5 V6 is a specialized component from the Electronic control modules and controllers group, responsible for the precise management of the automatic transmission. The offered controller comes from the original Jaguar manufacturer line and, as a used part, represents a sensible choice for professional repair or replacement of a faulty TCM in the X-Type 2.5 V6 model.

Specifications and technical data

• SKU: 5X43-72401-BB
• Mark: Jaguar
• Condition: Used
• OEM Part Number: 5X43-72401-BB
• Substitutable numbers: 5X43-72401-BB, 5X4372401BB, C2S44692
• Part type: Transmission Control Module
• Category: ECUs & Computer Modules

Purpose and function of the TCM controller

The presented gearbox controller is designed to work with the 2.5 V6 unit in the Jaguar X-Type X400 model, where it is responsible for the electronic control of gear shifting. The module analyzes signals from vehicle sensors, coordinates the transmission's operation with the drivetrain, and supports smooth gear changes, which translates into stable vehicle behavior under various driving conditions. Thanks to its dedicated software, the TCM maintains consistency between the gearbox operation and the characteristics of the V6 engine, supporting powertrain refinement, throttle response, and predictable vehicle behavior during acceleration and downshifting.

Benefits of using an original Jaguar module

Using an original gearbox controller in a Jaguar X-Type ensures:

• preservation of the factory operating parameters of the automatic transmission,
• proper cooperation with other electronic systems of the vehicle,
• consistency with the factory electrical installation architecture,
• reduction of the risk of communication errors in the vehicle network. The module from the Electronic control modules and controllers group is structurally prepared for installation in the original mounting points, which facilitates service work and shortens the replacement time of the damaged component.

Condition, fitment, and installation aspects

The offered controller is a used item, which allows for economical repair while maintaining the original manufacturer's specifications. Before installation, it is recommended to verify compatibility with your specific vehicle and follow the service procedures provided for the given model year and equipment version. In workshop practice, installing a TCM in a Jaguar X-Type X400 typically requires:

• access to the appropriate module installation location,
• correct connection of the wiring harness according to the installation diagram,
• performing any necessary adaptation or diagnostic procedures using an appropriate tester. Such an approach allows for restoring the proper operation of the automatic transmission and reducing the risk of recurring faults related to the control electronics.

Selecting the correct controller and replacement numbers

When selecting a gearbox controller for a Jaguar X-Type 2.5 V6, it is crucial to compare part markings and interchangeable numbers with the vehicle's specifications. The product has assigned reference numbers that facilitate the identification of compatibility with a specific version of the X-Type X400 model and help avoid communication problems in the car's electronic network. In case of doubt, it is worth using data from service documentation or reading information from the existing module to ensure that the selected controller will work with the given engine, gearbox, and equipment configuration. If you are planning a comprehensive repair or upgrade of the drivetrain control area in your Jaguar and need other components from the same group, such as engine controllers, gearbox modules, or auxiliary system controllers, check the available parts in the Jaguar electronic control modules and controllers category.

More about used automotive electronics

When choosing a used gearbox controller, it is worth knowing the basic principles of selecting electronics and the risks associated with improper module matching. To better understand when it is worth reaching for used controllers and how to assess their suitability, check out the guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?