Range Rover L405 L494 Keyless Entry Rear Door Control Module ECU EK52-14D620-AD

Range Rover L405 L494 Keyless Entry Rear Door Control Module ECU is a specialized component from the Locks and Latches group, responsible for managing the keyless entry system in the vehicle's rear doors. The module works with the factory Range Rover electronics, ensuring convenient door opening and closing without the use of a traditional key, as well as stable communication with the comfort system.

Specifications and technical data

• SKU: EK52-14D620-AD
• Mark: Range Rover
• Condition: Used
• OEM Part Number: EK52-14D620-AD
• Substitutable numbers: EK52-14D620-AD, EK5214D620AD, LR072198
• Location on the vehicle: Rear
• Part type: Door Lock
• Category: Exterior Locks & Lock Hardware

Purpose and function of the module

The presented module is designed for installation in the rear part of the vehicle, in the door area, where it is responsible for operating the Keyless Entry function. Its task is to receive signals from the key, cooperate with sensors in the door handle, and transmit information to the central control unit, which enables smooth locking and unlocking of the latch without the need to use a remote control. Thanks to the integration with the factory Range Rover electrical installation, the module supports the correct operation of the locking mechanisms, reduces the risk of communication errors, and helps maintain the consistency of the entire comfort access system.

Benefits of using the original module

Using a dedicated rear door module in the keyless entry system allows for maintaining the full functionality of the vehicle's locking and unlocking system. In practice, this means:

• correct cooperation with existing locks and latches in the rear doors,
• stable communication with the body electronics and the comfort system,
• preservation of factory safety features related to vehicle locking,
• consistent operation with other door modules in the car. The element from this group is particularly important when diagnosing problems with opening the rear doors, incorrect response to the key, or periodic loss of the keyless entry function. Replacing it with a functional module often allows for restoring the correct operation of the system without the need to interfere with the lock mechanics.

Characteristics and installation

The module is structurally prepared for operation in the rear zone of the vehicle, taking into account the specifics of the electrical installation in the Range Rover L405 and L494. Its housing and connectors are adapted for installation in the factory location provided by the manufacturer, which facilitates service and reduces the time required for replacement. During installation, it is recommended to:

• check the condition of the electrical wiring harness leading to the module,
• verify the correctness of ground and power connections,
• check the operation of the lock and latch in the rear door after installation,
• perform computer diagnostics to confirm communication with the vehicle system. Such an approach allows for fully utilizing the module's capabilities and reducing the risk of recurring faults related to keyless entry operation.

Condition and service application

The offered element comes from a vehicle in which it was already in use, which makes it an attractive cost alternative compared to new components. For workshops specializing in the Range Rover brand and individual users, this means the possibility of carrying out repairs to the Keyless Entry system in an economical way, while maintaining compliance with the factory electrical architecture. The module will work well both for a typical replacement of a damaged rear door controller and for more extensive service work within the Locks and Latches system, where it is required to restore full functionality of the comfort access system.

Expansion of the lock system in Range Rover

If you are planning a comprehensive repair or upgrade of the door zone in your Range Rover and need other elements from the same group, such as actuators, locking mechanisms, or additional door controllers, check the available parts in the Range Rover Locks and Latches category. For larger service projects, also covering the powertrain, educational materials on working with used components may be helpful. In such a case, it is worth reading the guide Buying a used engine: 5 things you must check before installation, which shows good practices for verifying dismantled components and can be an inspiration for creating your own inspection procedures for other vehicle components as well.