Audi A4 B8 CD Changer Player Reader System ESP PDC Switch 8T2035110C

Visual condition of the part

The product shows signs of use visible in the photos.

Audi A4 B8 CD Changer Player Reader System ESP PDC Switch is a specialized component from the Electronic control modules and controllers category, designed to integrate the factory CD player with driver assistance systems. The module combines CD changer operation with ESP stability control buttons and PDC parking sensors, ensuring consistent, ergonomic control from the center console. This used OEM component allows for a technically correct replacement of a damaged panel without interfering with the vehicle's electrical architecture.

Specifications and technical data

• SKU: RHD-8T2035110C-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 8T2035110C
• Substitutable numbers: 8T2035110C, 8T2 035 110 C
• Category: ECUs & Computer Modules

Purpose and function of the module

The presented control panel is designed to work with the factory audio system in Audi vehicles, acting as a user interface for the CD changer and selected comfort and safety functions. The integrated buttons allow for:

• operating the CD player / reader,
• switching the ESP system on and off,
• controlling PDC (parking sensor) functions.

This gives the driver quick access to key functions from a single, logically arranged panel, which improves ergonomics and reduces the need to reach for scattered switches.

Construction and integration with the vehicle installation

The module belongs to the Electronic control modules and controllers group, which means it communicates directly with the vehicle's communication bus and other onboard controllers. The panel's design provides:

• dedicated connectors for integration with the factory wiring harness,
• button layout consistent with the original Audi interior design,
• communication with the audio system, ESP controller, and PDC module.

This solution allows for maintaining the visual consistency of the cockpit and proper function operation without the need for additional adapters or wiring modifications, provided the component is correctly matched to the specific equipment version.

Service application and installation benefits

The Audi A4 B8 CD Changer Player Reader System ESP PDC Switch panel is particularly useful in situations where the existing component has suffered mechanical damage (e.g., worn buttons, cracked housing) or there are issues with operating the CD changer, ESP, or PDC from the user interface side. Replacing it with a functional OEM module allows you to:

• restore full functionality of the audio system and driving assistants,
• maintain the original look of the center console,
• avoid compatibility issues typical of low-quality replacements.

The used OEM component is a reasonable compromise between repair cost and maintaining the factory operating parameters of electronic systems, especially in vehicles where compliance with the manufacturer's original specification is a priority.

Selection, verification, and component condition

Before purchasing, it is worth verifying the module's compatibility with the specific vehicle equipment version, especially regarding the audio system configuration, the presence of ESP, and parking sensors. Comparing the button layout and the shape of the panel with the element currently installed in the car is helpful. The product comes from the Brand: Audi group, which facilitates matching to the original installation and minimizes the risk of electronic communication problems.

As a used item, the panel may show signs of wear typical of parts from disassembly; however, maintaining its electrical functionality and proper button operation is key. A properly selected module allows for an efficient repair without the need for a costly replacement of the entire multimedia system.

System expansion and additional information

If you are planning a comprehensive repair or upgrade of the cockpit area and assistance systems in your Audi and need other elements from the same group, such as control panels, comfort modules, or additional function controllers, check the available parts in the Audi electronic control modules and controllers category.

To better assess when choosing a used module is technically and economically justified, it is worth reading the guide on our blog: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?. You will find practical tips there regarding the selection and safe installation of automotive electronics from the secondary market.