Audi A6 C7 Rear Boot Trunk Lid Tailgate Control Unit Module ECU 4G9959107B

Audi A6 C7 Rear Boot Trunk Lid Tailgate Control Unit Module ECU is an original electronic control module designed for operation in the rear section of the vehicle body. As a component from the Electronic control modules and controllers group, it is responsible for the precise management of the trunk lid, ensuring convenient and repeatable operation. Using an OEM component allows for maintaining the integrity of the electrical installation and the characteristic functionality of Audi models.

Specifications and technical data

• SKU: 4G9959107B
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G9959107B
• Substitutable numbers: 4G9959107B, 4G9 959 107 B
• Location on the vehicle: Rear
• Category: ECUs & Computer Modules

Purpose and function of the module

This trunk lid control unit has been designed specifically for the Audi A6 C7 platform and operates in the rear zone of the vehicle. It is responsible for controlling the opening and closing sequences of the trunk lid, communication with other body control modules, and handling signals from sensors and buttons. As a result, the trunk system operates in a predictable manner, and reactions to driver commands are consistent with Audi's factory logic.

Benefits of using an original module

Using an original control module in the Audi A6 C7 allows for maintaining the integrity of the electrical installation and compatibility with the existing CAN network architecture. In practice, this means:

• proper cooperation with other body control modules,
• stable operation of functions related to the trunk lid,
• maintaining factory operating parameters without the need for wiring modifications.

For the user, this translates into consistent operation of the comfort system and a reduction in the risk of communication errors in the electronic system.

Integration with the vehicle installation

The module operates in the rear part of the car, in the immediate vicinity of the trunk lid, which shortens the length of connections and improves the system's resistance to interference. As an OEM component, it is prepared for cooperation with factory connectors and wiring harnesses, which facilitates installation and limits the need for modifications. Electronic control modules and controllers of this type are designed for long-term operation in variable temperature and humidity conditions typical for the rear part of the vehicle body.

Condition and service application

The offered control unit is a used component, which makes it an attractive service solution for Audi owners who want to restore full trunk lid functionality while maintaining the original electronic architecture. This type of component is particularly useful for:

• diagnostics and troubleshooting related to improper trunk lid operation,
• repairs after collisions in the rear part of the vehicle,
• restoring system efficiency after electrical installation damage.

By maintaining the factory operating logic, the module helps to preserve the combination of operational comfort and predictable body system response characteristic of Audi.

More Audi control modules

If you are planning a comprehensive repair or upgrade of the rear zone in your Audi and need other elements from the same group, such as comfort modules, body controllers, or lighting management units, check the available parts in the Audi electronic control modules and controllers category.

Maintaining the Audi brand character

To better understand how original electronic modules influence vehicle behavior and help maintain the properties typical of the manufacturer, it is worth reading the article on our blog: Audi and pure emotion. How do used parts help maintain the brand's DNA?. You will find practical tips there on why using original components – including body controllers – is important for maintaining the consistency of the entire vehicle's operation.