Audi A3 8V 1.6 TDI 110 HP Engine Control Module ECU Kit 04L907445B Manual

Audi A3 8V 1.6 TDI 110 HP Engine Control Module ECU Kit is a set from the Electronic control modules and controllers group, designed for diesel units paired with a manual transmission. The kit ensures consistent engine management, allowing for the restoration of proper drivetrain functionality after a failure or controller replacement.

Specifications and technical data

• SKU: 04L907445B
• Mark: Audi
• Condition: Used
• OEM Part Number: 04L907445B
• Substitutable numbers: 04L907445B, 04L 907 445 B, 04L906056D, 04L 906 056 D, 28445556, 5Q0937084CG, 5Q0 937 084 CG, A2C98112007
• Fuel type: Diesel
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the ECU kit

The presented engine control unit kit is designed for the Audi A3 8V generation models with a 1.6 TDI engine, in a configuration with a manual transmission. It is responsible for coordinating key engine operating parameters, such as fuel dosing, boost control, and communication with other vehicle electronic systems. This enables stable engine operation under various load conditions and maintains proper performance standards.

Benefits of using an original control module

Choosing an original ECU kit dedicated to a specific engine and transmission configuration reduces the risk of software compatibility issues and communication problems with the vehicle's wiring. Such a module is factory-adapted to work with 1.6 TDI engine components, which facilitates the adaptation and configuration process during installation. For the user, this means predictable engine behavior, correct throttle response, and stable operation across the entire RPM range.

Technical characteristics regarding the drivetrain

The ECU kit is intended for a diesel-powered engine, which involves handling specific injection strategies, fuel pressure control, and combustion management systems characteristic of diesel units. At the same time, the module works with a manual transmission, taking into account signals from sensors related to clutch position and gear selection. This matching allows for smooth gear shifting and proper adjustment of torque to current driving conditions.

Application in diagnostics and repairs

The engine control unit kit is particularly useful in situations where the existing module has suffered electronic damage or there are persistent communication errors in the vehicle's network. Using a dedicated kit allows for shorter diagnostic times and limits the number of attempts to fit incompatible components. In workshop practice, this translates into a more predictable repair process and a lower risk of returns due to engine electronics issues.

Selection, used electronics, and economic aspects

When choosing a used ECU kit for an Audi A3 8V, it is crucial to match it based on manufacturer markings, software versions, and drivetrain configuration. A detailed discussion of selection principles, including working with OEM numbers, hardware and software compatibility, and practical installation examples, can be found in the Global Parts guide: Used automotive electronics – ECU modules and second-hand sensors. For drivers and workshops looking to further optimize service costs while maintaining quality, the following material will also be helpful: how to save on repairs using used OEM parts.

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