Range Rover L405 Heated Front Seat Control Module AW93-14B663-AD

Description

The Range Rover L405 Front Seat Heater Control Module is a specialized component of the comfort system, responsible for precise control of the heating in the front seats of Land Rover vehicles. This solution is designed for users who expect stable operation of the factory seat heating system and compatibility with the vehicle’s original electrical architecture.

Specifications and technical data

• SKU: AW93-14B663-AD
• Mark: Land Rover
• Condition: Used
• OEM Part Number: AW93-14B663-AD
• Substitutable numbers: AW93-14B663-AD, AW9314B663AD, 6MXN940A04
• Location on the vehicle: Front
• Category: Other Starters, Alternators, ECUs & Wiring

Module Purpose and Function

The front seat heater control module works with the Range Rover L405 electrical system, managing the power supply and operational logic of the heating elements in the front seats. It is responsible for:

• controlling the heating level according to signals from the control panel in the cabin,
• stabilizing the system’s operation under various electrical load conditions,
• integrating with the vehicle’s comfort system, including body electronics.

The designation “front” indicates that the component exclusively serves the front seats, which simplifies part selection during diagnostics and repairs.

Vehicle Compatibility and Integration

As a component designed for the Range Rover L405, the control module is engineered to operate within Land Rover’s factory electronic environment. This ensures:

• full compatibility with the original wiring harness and vehicle connectors,
• preservation of safety features intended by the manufacturer,
• consistency with the onboard software responsible for the comfort system.

Prior to installation, it is recommended to verify the module’s compatibility with the specific vehicle trim level and seat configuration to maintain the correct functionality of all heating features.

Product Characteristics and Service Application

The offered component belongs to the Other Parts category, meaning it is a specialized comfort system component primarily used in servicing and repair work. It is suitable for situations where:

• the original control module has been damaged due to overload or electrical system failure,
• there are issues with the seat heating operation, such as no response to changes in heating level,
• the module needs to be replaced as part of a comprehensive comfort system repair.

The product is marked as used, which in service practice often represents a cost-effective solution while maintaining compliance with factory specifications.

Benefits of Using an Original Land Rover Module

Using a control module dedicated to the Range Rover L405 allows for the maintenance of:

• the factory standard of thermal comfort in the front seats,
• predictable electrical system behavior without modifications to the wiring,
• consistency with other vehicle systems, such as climate control panel operation or body modules.

For workshops and service centers specializing in the Land Rover brand, such a module is a practical solution for repairing comfort systems in the L405 model.

Other Land Rover Parts and Technical Knowledge

If you are looking for other products from the Other Land Rover Parts category to complement service work on your vehicle, check out our offer: other Land Rover parts. This will help you more easily assemble the set of components needed for comprehensive comfort system and electronics servicing.

Are you interested in comparing technical solutions used in different brands and sports versions? See an analysis of construction and components in Audi sports models in the article: Audi RS vs. Other Models – What Lies Under the Hood and Chassis?. This is a good supplement to knowledge about manufacturers’ different approaches to designing advanced powertrain and braking systems.