Audi A4 B8 Door Module Control Unit ECU Front Driver's Side 8K0959793C

The Audi A4 B8 Front Right Door Control Module ECU is a specialized component from the Electronic Control Modules and Controllers group, designed to manage the functions of the front passenger door. It is responsible for precise control of the door's electrical systems, ensuring stable communication with the vehicle's wiring and consistent operation of comfort systems.

Specifications and technical data

• SKU: 8K0959793C
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0959793C
• Substitutable numbers: 8K0959793C, 8K0 959 793 C
• Location on the vehicle: Front
• Category: ECUs & Computer Modules

Module Purpose and Function

The presented module is dedicated to the front right side of the body and works with the door's electrical system in Audi models. As a control element, it is responsible for, among other things, the proper operation of components located in the door, integrating them with the vehicle's main electronic network.

Its placement in the front area allows for direct management of the passenger door functions, which translates into predictable operation of comfort systems and consistent communication with other body controllers.

Benefits of Using an Original Audi Module

As a component from the Electronic Control Modules and Controllers group, the door module is designed for full compatibility with the Audi A4 B8 electrical architecture. Using an original controller from the same design family:

• facilitates installation thanks to factory connectors and a matching harness,
• reduces the risk of communication errors within the vehicle network,
• ensures predictable door function operation over a long service life.

The product is sourced from dismantling, which in practice means a favorable combination of an attractive price while maintaining the proper quality of workmanship typical for OEM solutions.

Condition, Verification, and Compatibility

The module is offered as a used part, allowing for economical repair of the door's electrical system without the need to resort to more expensive aftermarket alternatives. Before being reintroduced into circulation, these types of controllers are routinely verified for basic functionality, minimizing the risk of installation problems.

Before purchasing, it is advisable to compare the module's part numbers with the currently installed controller in your vehicle to ensure full compatibility with the wiring and equipment configuration of your specific Audi A4 B8 model.

Expanding Electronic Systems and Technical Knowledge

If you are planning more extensive work on the body's electronics – especially when it comes to diagnostics, coding, or controller adaptation – knowledge about the operation of similar systems in other brands can be helpful. For example, in BMW models, comfort modules and multimedia controllers play an important role, and their operation is similar in principle to the solutions used in Audi. You can find more about the practical approach to repairing electronic modules using parts from dismantling in the article Years of Driving Pleasure – How to Care for iDrive Systems and Electronic Modules in BMW 3 and 5 Series Models Using Dismantled Parts?.

Related Audi Modules and Control Elements

If you are planning a comprehensive repair or upgrade of the door area and comfort systems in your Audi and need other components from the same group, such as window controllers, comfort modules, or other body controllers, check the available parts in the Audi Electronic Control Modules and Controllers category.