Audi Q2 GA 1.6 TDI DDYA 115HP Engine Control Unit ECU Module 04L907445E Manual

Audi Q2 GA 1.6 TDI DDYA 115HP Engine Control Unit ECU Module Manual is a factory-original electronic engine control unit from the Electronic control modules and controllers category, designed for use with the 1.6 TDI 115 HP engine and a manual transmission. The original ECU architecture ensures consistent operation with the vehicle's electrical system, proper management of engine components, and stable performance of safety systems.

Specifications and technical data

• SKU: 04L907445E
• Mark: Audi
• Condition: Used
• OEM Part Number: 04L907445E
• Substitutable numbers: 04L907445E, 04L 907 445 E
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the engine control unit

The presented engine control unit is the central component managing the operation of the powertrain in the Audi Q2 GA with the 1.6 TDI DDYA engine. The controller is responsible for precise fuel metering, boost pressure control, fuel injection system management, and integration with onboard systems such as OBD diagnostics or traction control systems. Thanks to its factory design, the ECU maintains full compatibility with the vehicle's CAN bus and the manufacturer's original software.

Compatibility with manual transmission

This ECU model is configured to work with a manual transmission, which is crucial for the correct operation of functions such as torque management, clutch signal response, and integration with driver assistance systems. Using a controller dedicated to the manual version minimizes the risk of communication errors, incorrect sensor readings, and adaptation issues in the vehicle.

Benefits of using an original ECU

Choosing an original engine control unit for the Audi Q2 GA allows you to maintain the consistency of the powertrain's operating parameters with the manufacturer's factory specifications. The main advantages include:

• retaining the factory control maps for the 1.6 TDI DDYA engine,
• proper cooperation with safety and comfort systems,
• stable communication with other electronic modules in the vehicle,
• easier diagnostics and service using standard VAG tools.

A used controller with an intact OEM structure is a solution that, in many cases, allows for cost-effective repair without compromising on quality or operational predictability.

Condition, verification, and installation aspects

The product comes from disassembly and is offered as a used Audi engine controller. Before installation in the target vehicle, it is recommended to perform standard service procedures, such as bench diagnostics, potential immobilizer matching, and adaptation to the specific car configuration. Installation should be performed by a workshop experienced with VAG group electronics, which minimizes the risk of software errors and startup problems.

Control system expansion and technical knowledge

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 controllers, modules, or control units, check out the available parts in the Audi electronic control modules and controllers category.

Before deciding to install a used ECU, it is worth learning about best practices for selecting and adapting automotive electronics – you can find practical tips in the article "A second life for electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?", which discusses key aspects of safety, cost-effectiveness, and diagnostics of such components.