Audi A4 B8 Door Module Rear Left Right N/O/S Control Unit Module ECU 8K0959795C

Audi A4 B8 Door Module Rear Left Right N/O/S Control Unit Module ECU is a factory-original component from the Electronic control modules and controllers group, designed to operate the rear left and right door zones in Audi vehicles. It enables the proper functioning of electric door features, ensuring consistent operation of the comfort system and communication with other vehicle controllers.

Specifications and technical data

• SKU: 8K0959795C
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0959795C
• Substitutable numbers: 8K0959795C, 8K0 959 795 C
• Location on the vehicle: Rear, Right, Left
• Category: ECUs & Computer Modules

Purpose and function of the door module

The presented module is dedicated to the rear axle of the vehicle, with the possibility of installation on both the left and right sides. As an element of the electronic system, it is responsible for controlling and monitoring door functions, working in conjunction with the electrical installation and other body controllers. This ensures the consistency of comfort systems and stable communication within the vehicle's network.

The module has been designed with the specific requirements of the Audi A4 B8 platform in mind, which translates into a precise fit for the vehicle's wiring harnesses, connectors, and electronic architecture. Using an original solution minimizes the risk of communication errors and compatibility issues.

Advantages of using an original Audi module

Choosing an original door module for the Audi A4 B8 provides a number of practical benefits in daily vehicle operation. The most important include:

• maintaining the factory logic of comfort and door control systems,
• secure fit to the electrical installation without the need for wiring modifications,
• consistent cooperation with other body controllers,
• reducing the risk of errors in electronic diagnostics.

Thanks to this, the Audi A4 B8 Door Module Rear Left Right N/O/S Control Unit Module ECU is a sensible choice for post-collision repairs, replacing damaged electronics, or restoring full functionality to the comfort system.

Installation characteristics and application

The element is intended for installation in the rear part of the vehicle, with the possibility of installation on both sides of the body. This solution simplifies part selection during service, as one type of module can be used on both the driver's and passenger's side in the rear. The design based on factory connectors allows for plug-and-play style installation, maintaining the original wiring routing.

In practice, the module will prove useful for:

• replacing damaged door electronics after flooding or connector corrosion,
• post-accident repairs of the rear body section,
• resolving issues with improper operation of electric door functions.

Product condition and benefits of choosing a pre-owned module

The offered item comes from the secondary market, which allows for an economical repair of the electronic system while maintaining the manufacturer's original specifications. A used module from this group, when properly selected and installed, can effectively restore full functionality to the door system without the need to invest in a new component.

If you want to better understand when choosing second-hand electronics is justified and how to safely select controllers and comfort modules, it is worth reading our guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?

Expanding the electronics system in an Audi

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 window controllers, central locking modules, or additional body units, check out the available parts in the Audi electronic control modules and controllers category.

By using components from the same product group, you will maintain the consistency of the vehicle's electronics, which will facilitate diagnostics, programming, and subsequent service maintenance.