Audi S5 F5 VW Passat B8 Tiguan AD1 Sunroof Control Module ECU Unit 4K0907594AC

Audi S5 F5 VW Passat B8 Tiguan AD1 Sunroof Control Module ECU Unit is an original component from the Electronic control modules and controllers group, designed for precise management of the sunroof operation in selected Audi and Volkswagen models. Thanks to its factory OEM design, the module ensures operational consistency with the vehicle's electrical installation and proper communication with other comfort system controllers.

Specifications and technical data

• SKU: 4K0907594AC
• Mark: Audi
• Condition: Used
• OEM Part Number: 4K0907594AC
• Substitutable numbers: 4K0907594AC, 4K0 907 594 AC
• Category: ECUs & Computer Modules

Purpose and function of the sunroof module

The presented module is responsible for controlling the sunroof movement – opening, tilting, and closing, as well as monitoring the end position and responding to signals from control buttons. In vehicles such as the Audi S5 F5 generation, VW Passat B8, or Tiguan AD1, it acts as a central logic element that:

• coordinates the operation of the sunroof motor and position sensors,
• communicates with the vehicle's comfort system (e.g., closing functions),
• ensures repeatable, predictable movement of the roof panel,
• enables integration with factory vehicle settings.

Benefits of using an original module

Using an original Audi sunroof module instead of a damaged controller allows you to maintain the factory operating parameters of the system. In practice, this means:

• proper cooperation with the existing wiring harness and other controllers,
• stable operation of comfort functions related to the sunroof,
• reduced risk of diagnostic and vehicle bus communication errors,
• easier adaptation and coding compared to aftermarket replacements. For users of the Audi S5 F5 and VW models such as the Passat B8 and Tiguan AD1, choosing an original controller translates into maintaining the brand's characteristic operational quality and consistency of comfort systems.

Product characteristics and condition

The offered item comes from the Audi line and is classified under the Electronic control modules and controllers group. The product is used, which in practice means it has been removed from a vehicle and may show signs of wear typical for this class of parts, while maintaining full functionality required for further operation in the vehicle after proper installation. As a result, it is an attractive solution for users looking for a factory component on a reasonable budget, while maintaining compatibility with the car's original electrical architecture.

Installation and vehicle integration

The sunroof module is designed as a component intended for use with specific equipment versions of the Audi S5 F5, VW Passat B8, and Tiguan AD1. Before installation, it is recommended to:

• verify the compatibility of the controller with the part number assigned to the specific VIN,
• check the vehicle's equipment configuration (type of sunroof, body version),
• plan for potential adaptation or coding using an appropriate diagnostic tester. A correctly selected and configured module allows for restoring full sunroof functionality after a controller failure, without the need for interference with the roof mechanics or electrical wiring.

Maintaining the character of Audi and VW with used parts

In vehicles of the Audi S5 class or modern VW models, it is crucial to maintain the consistency of comfort systems with the manufacturer's original design. This is why many users choose original, used controllers instead of replacements. If you want to better understand how the selection of the right components affects the preservation of the car'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 role of original elements in maintaining the factory character of the car in more detail. If you are planning a comprehensive repair or upgrade of the roof area and comfort systems in your Audi and need other elements from the same group, such as comfort controllers, door modules, or interior lighting management units, check the available parts in the Audi electronic control modules and controllers category.