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

Audi Q2 GA Engine Control Unit ECU 115HP 1.6 TDI Diesel DDYA Manual is a specialized component from the Electronic control modules and controllers category, designed for precise management of the diesel engine in the Audi Q2 GA model. The ECU is responsible for controlling combustion parameters, coordinating with engine accessories, and integrating with the electrical system of vehicles equipped with a manual transmission.

Specifications and technical data

• SKU: 04L907445E-1
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 04L907445E
• Substitutable numbers: 04L907445E, 04L 907 445 E, 5Q0937084CN, 5Q0 937 084 CN
• Fuel type: Diesel
• Gearbox type: Manual
• Part type: Engine Control Unit (ECU)
• Category: ECUs & Computer Modules

Purpose and function of the engine control unit

The presented ECU is designed to work with the 115HP 1.6 TDI engine in the Audi Q2 GA, in the version with a manual transmission. It is responsible for overseeing key engine operation processes, such as fuel dosing, boost pressure control, idle speed control, and handling engine protection systems. As a result, it ensures stable operating characteristics, predictable throttle response, and consistent performance with the vehicle's other electronic modules.

Benefits of using an original module

Using an original controller from the Volkswagen group allows for maintaining the factory engine operating parameters and full compatibility with the vehicle's electrical system and software. The module is matched to the specifics of the diesel engine and the manual transmission configuration, which reduces the risk of CAN bus communication errors and adaptation issues. In practice, this translates into:

• proper cooperation with engine sensors and actuators,
• stable cold and warm starts,
• consistent operation of diagnostic systems and the ability to read errors via a service tester,
• maintenance of factory engine control maps.

Technical characteristics and vehicle integration

The controller belongs to the Electronic control modules and controllers group, meaning it is a central element for managing the engine and its accessories. The module's design is prepared for operation in environments with high temperature fluctuations and vibrations typical of the engine compartment, and the housing and connectors are adapted to the factory wiring harness of the Audi Q2 GA. The module works with the diesel fuel system, taking into account the specifics of high-pressure injection and exhaust emission requirements. The configuration for a manual transmission allows for correct data exchange with systems responsible for drivetrain management, such as torque control or driver assistance functions. This ensures the consistency of the drivetrain operation, and the vehicle's reactions to gear changes and loads are predictable and in line with the manufacturer's specifications.

Condition, origin, and practical application

The offered controller comes from a Volkswagen group vehicle and is a used component, which allows for an economical repair of the engine control system while maintaining the original specification. This type of module is particularly useful in situations where the existing controller has suffered electronic damage, there are communication problems in the vehicle network, or errors occur that prevent the engine from starting properly. Before installation, it is recommended to verify compatibility with the specific vehicle configuration and to carry out appropriate adaptation and programming procedures at a specialized service center. This allows for full matching of the module to the car's equipment and avoids conflicts with other electronic systems.

Expansion of the control system and related components

If you are planning a comprehensive repair or upgrade of the engine area in your Audi Q2 GA and need other components from the same group, such as additional control modules, auxiliary controllers, or electronic management units, check the available parts in the Volkswagen electronic control modules and controllers category. In the case of more advanced work on vehicle electronics, especially when diagnostics, programming, or replacing several modules at once are involved, practical tips on working with used controllers may be helpful. More information on how to safely use electronic modules from dismantling can be found 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 parts from dismantling?.