Audi A6 C6 Power Supply Module Comfort Control Unit ECU 7591534

Audi A6 C6 Power Supply Module Comfort Control Unit ECU is a component from the Electronic control modules and ECUs group, responsible for precise management of vehicle lighting operation. This OEM solution is designed for users who expect stable lighting system performance, proper communication with the electrical installation, and the maintenance of factory-standard onboard system functionality.

Specifications and technical data

• SKU: 4F0907279
• Mark: Audi
• Condition: Used
• OEM Part Number: 4F0907279
• Substitutable numbers: 4F0907279, 4F0 907 279
• Category: ECUs & Computer Modules

Purpose and function of the lighting control unit

The lighting control module in an Audi is responsible for coordinating the operation of headlights, parking lights, low beams, high beams, and other lighting functions, in accordance with signals from the vehicle's electrical system. A properly functioning module ensures:

• stable switching of lights on and off in accordance with factory logic,
• proper cooperation with the electrical installation and other control units,
• maintenance of communication within the vehicle network without generating lighting-related errors.

As a result, the lighting system operates in a predictable manner consistent with the manufacturer's specifications, which translates into driving comfort and safety.

Technical characteristics and vehicle integration

As a component from the Electronic control modules and ECUs group, the lighting control unit ECU is designed to work with the factory Audi installation. This means matched connectors, appropriate internal architecture, and software prepared for communication with the vehicle's other electronic systems.

The module is intended for installation in the location specified by the vehicle manufacturer, maintaining the original wiring harness topology. In practice, this translates into:

• easier diagnostics using standard service tools,
• the ability to verify correct operation by reading system errors,
• retention of factory lighting functions after proper adaptation.

Product condition and service application

The offered control unit is a used component, making it an attractive solution for repairs where it is crucial to maintain reasonable service costs while using OEM parts. This type of module is particularly suitable in situations where the existing control unit has suffered electronic or mechanical damage, or is generating errors that prevent the lighting from working correctly.

Choosing a used lighting control unit is a common practice in professional workshops specializing in automotive electronics, especially when repairing older vehicles, where it is important to combine quality with economic viability.

Installation tips and part selection

Before installation, it is recommended to verify the module's compatibility with the specific vehicle configuration and to perform diagnostics after installation to confirm proper communication within the electronic network. In many cases, it may be necessary to perform adaptation or coding procedures using an appropriate diagnostic interface, in accordance with service practices for Audi lighting control units.

To better understand when choosing a used module is justified and how to approach the selection and installation of automotive electronics, it is worth reading the guide: A second life for electronics – when is it worth choosing used engine ECUs, comfort modules, and parking sensors?

Expanding the Audi lighting control system

If you are planning a comprehensive repair or upgrade of the lighting control area in your Audi and need other components from the same group, such as additional ECU modules, body function controllers, or electronic lighting management units, check out the available parts in the Audi electronic control modules and ECUs category.