Audi A3 8V 1.6 TDI 110HP DBKA Engine ECU Kit Ignition + Key 04L907309R Manual

Audi A3 8V 1.6 TDI 110HP DBKA Engine ECU Kit Ignition + Key is a complete engine control set designed for versions with the 1.6 TDI unit and a manual transmission. The set includes the engine control unit along with ignition system components and a key, which facilitates seamless electronics adaptation in the vehicle. This solution is particularly useful when replacing a damaged controller or during major repairs in the engine electronics area.

Specifications and technical data

• SKU: 04L907309R-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 04L907309R
• Substitutable numbers: 04L907309R, 04L 907 309 R, 0281031066, 0 281 031 066
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the ECU kit

The presented set belongs to the Electronic control modules and ECUs category and is responsible for managing the operation of the 1.6 TDI diesel engine in the Audi A3 8V. The engine controller works with the injection system, sensors, and accessories, controlling, among other things, fuel dosage, combustion parameters, and response to accelerator pedal signals. Integrating it with the ignition switch elements and the key reduces the risk of immobilizer issues and speeds up the installation process.

Compatibility with manual transmission

The set has been configured to work with a manual transmission, which is significant for torque control logic, starting functions, and communication with other modules in the vehicle. Properly matching the controller to the transmission type helps maintain correct engine performance characteristics, smooth acceleration, and idle speed stability. Thanks to this, the set is suitable for repairs of vehicles originally equipped with a manual gearbox.

Application in service and repairs

The complete ECU kit with the ignition system and key is particularly useful in situations where the controller has been damaged, there are immobilizer communication problems, or it is necessary to replace several electronic components simultaneously. Using one consistent set:

• simplifies the diagnostics and programming process,
• reduces the risk of incompatibility between modules,
• accelerates the restoration of full vehicle functionality.

This is a practical solution for workshops specializing in the Audi brand, as well as for users looking for a technically matched set for their A3 8V.

Product characteristics and condition

The offered set comes from an Audi vehicle and is part of the original electronic architecture of this model. As a used part, it has been verified for suitability for further operation, which allows for its reuse in another vehicle. Choosing an original control module with a set of components is a way to maintain the consistency of the electronic system and reduce costs compared to purchasing new components.

Expert support and selection of Audi parts

If you want to better understand how to maintain the driving characteristics and the specificity of the electronics in your Audi using used parts, it is worth checking out our expert material. Read the article Audi and pure emotion – how used parts help maintain the brand's DNA, which discusses the importance of original components, such as control modules, for preserving the factory characteristics of the car.

If you are planning a comprehensive repair or upgrade of the engine and electronics area in your Audi and need other elements from the same group, such as engine controllers, comfort modules, or auxiliary control units, check out the available parts in the Audi electronic control modules and ECUs category.