Audi TT FV A3 8V Door Module Control Unit Front Right O/S Side ECU 5Q0959593D

Audi TT FV A3 8V Door Module Control Unit Front Right O/S Side ECU is an original component from the Electronic control modules and controllers group, designed to operate the front right door panel in selected Audi models. This component ensures proper communication with the vehicle's electrical system and stable operation of electronically controlled functions within the door.

Specifications and technical data

• SKU: 5Q0959593D
• Mark: Audi
• Condition: Used
• OEM Part Number: 5Q0959593D
• Substitutable numbers: 5Q0959593D, 5Q0 959 593 D, 5Q0959593B, 5Q0 959 593 B
• Location on the vehicle: Front, Right
• Category: ECUs & Computer Modules

Purpose and function of the module

The presented module is designed to operate in the front right door area, where it is responsible for integrating electrical components with the vehicle's network. As part of the body system, it works with the convenience system, ensuring correct signal exchange between the door and the car's central control units.

The location on the vehicle is factory-defined, ensuring the component is structurally and electrically matched to the specific mounting position. This maintains consistency with the original Audi installation architecture and reduces the risk of data bus communication issues.

Compatibility and identification

Audi TT FV A3 8V Door Module Control Unit Front Right O/S Side ECU belongs to the group of Audi OEM components, which facilitates part selection based on the equipment of a specific vehicle. The module has an assigned part number and interchangeable numbers, allowing it to be precisely verified using the manufacturer's catalogs or vehicle data.

When selecting, it is recommended to compare the markings with the existing component and the car's configuration to maintain full hardware and software compatibility. A properly selected controller minimizes the risk of communication errors, coding problems, and the need for additional installation modifications.

Performance characteristics and installation

As an item in the Electronic control modules and controllers category, the door module is designed to operate in an environment with variable temperature and humidity conditions, typical for the interior of a door. The design provides for installation in a factory-prepared location, which facilitates service and reduces the time required for replacement.

The product is offered as a used part, which allows for economical repair of the door electrical system while maintaining the manufacturer's original specifications. In practice, this means the ability to restore full door control functionality without the need to resort to replacements with uncertain parameters.

Why choose a used Audi door module

Choosing an original, used door controller is a solution that combines controlled costs with maintaining the factory logic of the convenience system. Modules of this type are designed for long-term operation, and their reuse in another vehicle is a common service practice.

If you want to better understand how to safely select and install used electronic components in a car, including door controllers, check out our guide: Used automotive electronics – second-hand modules and sensors. The article explains, among other things, the principles of selection by manufacturer numbers, compatibility issues, and practical aspects of installation.

If you are planning a comprehensive repair or upgrade of the door zone and comfort system in your Audi and need other elements from the same group, such as central controllers, window modules, or mirror controllers, check out the available parts in the Audi electronic control modules and controllers category.