Audi A4 B7 Harman Becker Bluetooth Module Interface Control Unit 8P0862335Q

Audi A4 B7 Harman Becker Bluetooth Module Interface Control Unit is a specialized component from the Electronic control modules and controllers category, designed to handle wireless connectivity in Audi vehicles. It is responsible for the stable integration of the Bluetooth system with the vehicle's factory equipment, ensuring convenient use of phone and multimedia functions.

Specifications and technical data

• SKU: 8P0862335Q
• Mark: Audi
• Condition: Used
• OEM Part Number: 8P0862335Q
• Substitutable numbers: 8P0862335Q, 8P0 862 335 Q
• Category: ECUs & Computer Modules

Purpose and function of the Bluetooth controller

The presented Harman Becker module has been designed as a part of the comfort and multimedia system in Audi, responsible for handling phone calls and data transmission via Bluetooth. As part of the factory electronic architecture, it works in conjunction with the vehicle's wiring and other control units, allowing for consistent operation of the entire system.

By using an original solution from the Electronic control modules and controllers group, proper communication via the vehicle's bus is maintained, and system configuration is performed according to the manufacturer's specifications. This is particularly important for diagnostics, coding, and subsequent equipment upgrades.

Benefits of using the original Harman Becker module

Using a factory Bluetooth controller in an Audi A4 B7 helps maintain the high standard of electronic system performance characteristic of the brand. The original module:

• supports proper cooperation with the factory radio and hands-free kit,
• reduces the risk of conflicts with other control units in the vehicle,
• facilitates diagnostics using professional service tools,
• ensures consistent operation of comfort and multimedia functions.

For the user, this means predictable system behavior, no need for additional adapters, and the preservation of aesthetics and ergonomics consistent with the factory interior design of the Audi.

Product characteristics and condition

The module belongs to a group of electronic components that significantly influence the comfort of daily vehicle operation. As a used part, it comes from disassembly, which allows for an economical restoration of full Bluetooth system functionality in the car while maintaining the original manufacturer's specifications.

Choosing such a solution is beneficial both from the perspective of service costs and compatibility with the existing installation. The controller is intended for installation in place of the factory module, maintaining the correct connection method to the electrical harness and the vehicle's control system.

Integration with the Audi system and technical aspects

As an Audi OEM component, the Harman Becker module has been developed for tight integration with onboard electronics. This includes:

• operation within the factory control unit architecture,
• communication with other modules responsible for comfort and multimedia,
• possibility of configuration according to Audi service procedures.

This approach minimizes the risk of compatibility issues that often arise when using universal solutions. In practice, this translates into stable Bluetooth system performance and predictable vehicle responses to user commands.

System expansion and related content

If you are planning a comprehensive repair or upgrade of the comfort and multimedia electronics area in your Audi and need other elements from the same group, such as comfort controllers, multimedia modules, or connectivity management units, check the available parts in the Audi electronic control modules and controllers category.

To better understand how original electronic components influence vehicle behavior and help maintain the brand's character, it is worth reading the article Audi and emotions in their purest form. How do used parts help maintain the brand's DNA?, which discusses the importance of factory modules and equipment in the daily operation of Audi cars.