Range Rover Sport L494 Tow Bar Trailer Hitch Control Unit Module CPLA-19H397-AF

Range Rover Sport L494 Tow Bar Trailer Hitch Control Unit Module is a specialized component from the Electronic control modules and controllers group, responsible for the proper operation of the vehicle's trailer hitch installation. The offered used unit allows for an economical, yet technically correct repair or supplement to the factory equipment in Range Rover vehicles.

Specifications and technical data

• SKU: CPLA-19H397-AF
• Mark: Range Rover
• Condition: Used
• OEM Part Number: CPLA-19H397-AF
• Substitutable numbers: CPLA-19H397-AF, CPLA19H397AF, VPLGT0154, VPLGT0215, CPLA19H397AG, CPLA-19H397-AG
• Part type: Central Timing Module
• Category: ECUs & Computer Modules

Purpose and function of the trailer hitch control unit

The trailer hitch control unit in the Range Rover Sport L494 is responsible for managing the trailer socket operation and integrating the hitch installation with the vehicle's electronics. It controls, among other things:

• proper operation of trailer lighting,
• communication with vehicle safety systems,
• monitoring of the electrical load of the installation,
• cooperation with driver assistance systems. Thanks to the use of a dedicated controller, compatibility with the factory electrical architecture is maintained, which promotes stable operation of the entire system.

Advantages of using an original Range Rover module

The original module from the Electronic control modules and controllers group ensures a perfect fit for the vehicle's installation without the need for harness modifications or programming of replacements with uncertain parameters. Key benefits include:

• preservation of the factory logic of onboard systems,
• consistency with vehicle software and communication network,
• reduced risk of diagnostic errors related to incompatible parts,
• possibility of utilizing the existing equipment configuration. Such a solution is particularly beneficial for repairs of premium class vehicles, where precise component matching is essential.

Operational and installation characteristics

As a used component, the module represents a reasonable compromise between cost and functionality, allowing for the restoration of the trailer hitch system's efficiency without the need to invest in a new part. The controller is designed to work within the Range Rover vehicle installation, which promotes the maintenance of proper communication with other electronic modules. During installation, it is recommended to:

• follow the service procedures appropriate for the specific model,
• verify the correctness of electrical connections,
• check the operation of trailer lighting and functions after installation,
• perform computer diagnostics to confirm cooperation with the vehicle network. This approach allows for stable operation and limits the risk of subsequent failures.

Selection of a used module and technical aspects

When choosing a used trailer hitch controller, it is worth paying attention to compatibility with the specific vehicle equipment version and ensuring it comes from the same family of electronic solutions. This facilitates integration with the existing installation and limits the need for additional adaptations. The product belongs to the Range Rover brand, which promotes consistency with other elements of the electronic system. If you want to better understand when choosing a used electronic module is justified and how to minimize risks during such a purchase, check out our guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?

Expansion of the control system in Range Rover

If you are planning a comprehensive repair or upgrade of the electrical installation area responsible for the trailer hitch in your Range Rover and need other elements from the same group, such as additional modules, controllers, or management units, check the available parts in the Range Rover Electronic control modules and controllers category.