Audi A3 8V 2.0 TFSI Quattro CZPB 190HP Engine Control ECU 06L907309B Automatic

Audi A3 8V 2.0 TFSI Quattro CZPB 190HP Engine Control ECU is a factory electronic control module designed for a petrol engine paired with an automatic transmission. As an element from the Electronic control modules and ECUs group, it is responsible for precise engine management, ensuring stable parameters, correct communication with the vehicle's electrical system, and proper integration with the all-wheel-drive system. This used ECU is a solution that allows for a technically sound repair of the drivetrain while maintaining a favorable cost-to-functionality ratio.

Specifications and technical data

• SKU: 06L907309B
• Mark: Audi
• Condition: Used
• OEM Part Number: 06L907309B
• Substitutable numbers: 06L907309B, 06L 907 309 B, 0261S12720, 0 261 S12 720
• Fuel type: Petrol
• Gearbox type: Automatic
• ECU type: Engine Control Unit
• Category: ECUs & Computer Modules

Purpose and function of the engine control unit

The presented Audi A3 8V 2.0 TFSI Quattro CZPB 190HP Engine Control ECU has been designed to support a petrol engine working with an automatic transmission. As an Engine Control Unit, it monitors key engine operating parameters, such as fuel dosage, ignition timing, or response to sensor signals, and coordinates cooperation with the vehicle's other electronic systems.

Being dedicated to a specific Quattro drivetrain and automatic transmission configuration allows for maintaining the consistency of software and control logic with the vehicle's factory settings, which translates into predictable car behavior and proper cooperation with other modules.

Benefits of using an original ECU

Using an original controller from the Electronic control modules and ECUs group instead of a damaged module allows for restoring proper engine operation without the need for interfering with the wiring harness or changing the system architecture. In practice, this means:

• preserving the factory control logic of the petrol unit,
• proper cooperation with the automatic transmission,
• consistency of communication within the vehicle network with other electronic modules,
• possibility of diagnostics and adaptation using standard service tools.

A used ECU module is often a technically justified alternative to a new component, especially in the case of repairing vehicles that are used intensively, where both functionality and control of service costs are important.

Fuel type, transmission, and ECU configuration

The controller is designed for an engine powered by petrol, which is significant when selecting the appropriate software and ensuring compatibility with sensors characteristic of TFSI units. Adaptation to an automatic transmission ensures proper data exchange between the engine module and the transmission control, which affects the smoothness of gear changes and response to load.

As an Engine Control Unit, this module acts as the central element managing the operation of the powertrain, integrating signals from sensors, engine actuators, and other controllers in the vehicle. This makes it possible to maintain stable operating parameters in accordance with the manufacturer's factory specifications.

Condition and installation aspects

The offered controller is in used condition, which in practice means it comes from disassembly and may require standard adaptation procedures during installation in another vehicle. During installation, it is recommended to:

• verify compatibility by OEM number and interchangeable numbers,
• select for the specific engine and transmission configuration,
• perform appropriate programming or matching procedures in the vehicle.

Such an approach minimizes the risk of communication problems in the vehicle network and allows for the efficient restoration of full drivetrain functionality.

Technical support and selection of a used ECU

In the case of used control modules, correct matching by OEM number, reference numbers, and vehicle configuration is crucial. A detailed discussion of selection principles, including the importance of hardware and software compatibility, can be found in the guide: Used automotive electronics – second-hand ECU modules and sensors, which explains step-by-step how to safely use electronics from disassembly.

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