Audi Q7 4L Keyless Entry Amplifier Control Box Module Aerial Antenna 4F0907247A

The Audi Q7 4L Kessy Antenna Module is a specialized component from the Electronic Control Modules and Controllers group, responsible for the proper functioning of the keyless entry system and key recognition. This component, designed for the rear of the vehicle, ensures stable communication between the key and the car's electronics, contributing to the convenient and secure use of the Audi Q7 4L.

Specifications and technical data

• SKU: 4F0907247A
• Mark: Audi
• Condition: Used
• OEM Part Number: 4F0907247A
• Substitutable numbers: 4F0907247A, 4F0 907 247 A
• Location on the vehicle: Rear
• Category: ECUs & Computer Modules

Function of the Kessy Antenna Module in the Audi Q7 4L

The Audi Q7 4L Kessy Antenna Module works with the keyless entry and start system, responsible for receiving and transmitting the signal from the key in the rear zone of the car. A properly functioning module allows for:

• efficient recognition of the key's presence near the vehicle,
• stable communication with the central control unit,
• maintaining full functionality of the comfort open and close system.

Thanks to its dedicated placement in the rear of the body, the module supports uniform signal coverage throughout the vehicle, which reduces range issues and accidental system non-responsiveness.

Purpose and Vehicle Fitment

The presented component belongs to the Electronic Control Modules and Controllers group and is structurally prepared to work within the Audi's electrical architecture. Using an original solution from the same component family as the factory equipment facilitates integration with the existing installation and diagnostics using standard service tools.

Its placement in the rear of the vehicle allows for precise replication of the Kessy system's factory configuration, which is important for eliminating errors related to key communication, occasional non-responsiveness to unlocking, or problems with start authorization.

Characteristics of a Used Component

The module comes from an operated vehicle, meaning it is a used part that retains operational parameters suitable for reinstallation. Choosing such a solution allows for economical repair of the comfort system while maintaining compliance with Audi's factory specifications.

For electronic components, it is crucial that the module is compatible with the vehicle's architecture and correctly recognized by the diagnostic system. A used component from the same product line enables the restoration of functionality without the need for costly installation overhauls or adaptation of non-factory solutions.

Why Choose Original Audi Modules

Using original control modules in Audi helps maintain the consistent operation of all comfort and safety systems. For systems like Kessy, it is particularly important to:

• maintain compatibility with other vehicle controllers,
• ensure proper cooperation with software and adaptation procedures,
• guarantee long-term operational stability.

If you are planning a comprehensive repair or upgrade of the electronic zone in your Audi and need other components from the same group, such as comfort controllers, body modules, or driver assistance system management units, check the available parts in the Audi Electronic Control Modules and Controllers category.

Maintaining Audi's Character with Used Parts

Selecting the right electronic modules directly impacts the preservation of Audi's characteristic comfort system operation and functional consistency throughout the vehicle. A properly selected Kessy antenna module helps restore the factory operation of the keyless entry system, which is important for both user convenience and safety.

If you want to better understand how original used components contribute to maintaining the brand's character and restoring factory-level system performance, it is worth reading the article Audi and Pure Emotion. How Used Parts Help Maintain the Brand's DNA?.