Audi A3 8V 2.0 TDI 150HP DCYA Engine Control ECU Kit 04L907309R Manual Gearbox

Audi A3 8V 2.0 TDI 150HP DCYA Engine Control ECU Kit Manual Gearbox is a component from the Electronic control modules and controllers group, designed for the powertrain with a diesel engine and a manual transmission. It is responsible for precise management of the engine's operation, ensuring stable driving parameters, correct fuel dosing, and consistent performance of other electronic systems in the vehicle.

Specifications and technical data

• SKU: 04L907309R-9
• Mark: Audi
• Condition: Used
• OEM Part Number: 04L907309R
• Substitutable numbers: 04L907309R, 04L 907 309 R, 0281031066, 0 281 031 066
• Fuel type: Diesel
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the ECU controller

The engine controller in the Audi A3 8V with a 2.0 TDI 150HP DCYA unit is a key module responsible for overseeing the combustion process, auxiliary equipment operation, and communication with other vehicle systems. In the configuration with a manual gearbox, the controller works with sensors and actuators to ensure smooth acceleration, predictable throttle response, and stable operation under various loads.

As an item from the Electronic control modules and controllers category, this ECU kit is designed for tight integration with Audi's electrical architecture, which translates into consistent operation of onboard systems and the possibility of diagnostics using factory service tools.

Benefits of using an original Audi controller

Using an original control module in an Audi A3 8V with a diesel engine allows you to maintain the factory operating characteristics of the powertrain. A properly selected controller:

• supports correct cold and warm start parameters,
• maintains stable idle operation,
• coordinates the engine's cooperation with the manual gearbox,
• enables correct communication with safety and comfort systems.

As a result, the vehicle retains predictable road behavior, and any errors stored in the controller's memory can be systematically diagnosed by a mechanic.

Application in diesel units with a manual gearbox

The presented ECU kit is intended for configurations with a diesel engine and a manual transmission, which is important when selecting the appropriate module for a specific powertrain version. Proper matching of the controller to the fuel type and gearbox type minimizes the risk of communication problems in the vehicle network, errors in the operation of assistance systems, and malfunctions of drive-related functions.

When replacing the controller in modern diesel units, it is essential to maintain compatibility with the factory configuration so that the fuel injection system, emission control systems, and engine safety features operate within the range intended by the manufacturer.

Product characteristics and condition

The offered Audi ECU controller belongs to the group of used components, which means it comes from vehicle dismantling and can be an economical alternative to a new module. This type of solution is often chosen in professional workshops when an optimal cost-to-functionality ratio is required while maintaining compliance with factory specifications.

Before installation, it is recommended to perform a standard diagnostic procedure and – if necessary – adaptation or programming of the controller according to the requirements of the specific Audi A3 8V unit to ensure full integration with the vehicle's electrical system.

Integration with other electronic modules

The modern Audi A3 8V uses an extensive network of electronic modules, which is why a correctly selected ECU controller is important for communication throughout the entire system. This module exchanges data with systems responsible for safety, comfort, and onboard diagnostics, among others, which affects the consistency of the vehicle's operation as a whole.

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

Expert support and additional information

When working with electronic modules, it is worth using reliable sources of knowledge on diagnostics and controller replacement. For example, issues related to the maintenance of advanced electronic systems in modern premium cars are discussed in more detail in the article Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models using dismantled parts?, which shows best practices when working with used control modules.

If you are interested in how a wide selection of electronic components from a single warehouse can shorten vehicle downtime in the workshop and facilitate the selection of the right controller, the entry No more weeks of waiting – how a wide assortment in one warehouse really shortens your car's downtime at the mechanic?, describing the practical benefits of access to an extensive range of used parts, may also be helpful.