Audi A4 B8 A5 8T 8K 2.0 TFSI CDNC 211HP Engine Control ECU 8K2907115L Manual

Audi A4 B8 A5 8T 8K 2.0 TFSI CDNC 211HP Engine Control ECU is a specialized controller designed for 2.0 TFSI CDNC engines with 211 HP, paired with a manual transmission. This component from the Electronic control modules and controllers group is responsible for precise engine management, ensuring stable power characteristics and proper integration with the vehicle's other electronic systems. It is a solution for users looking for a verified, original module for professional powertrain repair.

Specifications and technical data

• SKU: 8K2907115L
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K2907115L
• Substitutable numbers: 8K2907115L, 8K2 907 115 L, 0261S04866, 0 261 S04 866
• Gearbox type: Manual
• Part type: Engine Control Unit (ECU)
• Category: ECUs & Computer Modules

Purpose and function of the engine controller

The presented engine computer is dedicated to Audi A4 B8 and Audi A5 8T models with the 2.0 TFSI CDNC 211 HP engine, equipped with a manual transmission. The controller is responsible for key processes such as fuel injection, ignition timing, boost control, and communication with sensors and actuators in the engine bay. A correctly selected ECU allows for the restoration of full powertrain functionality after an electronic failure or when replacing a damaged module.

Benefits of using an original Audi ECU

Using an original engine controller in an Audi A4 B8 or A5 8T ensures:

• retention of factory control maps and operating characteristics of the 2.0 TFSI CDNC engine,
• proper integration with the electrical system and other vehicle modules,
• stable operation at idle and under load,
• correct support for OBD diagnostic functions.

As a result, this controller provides a solid foundation for professional powertrain repair without the need to experiment with replacements of uncertain parameters. Compatibility with the manual transmission is particularly important, as it minimizes the risk of communication errors between modules.

Application in service practice

This engine computer is suitable for both workshops specializing in the Audi brand and individual users carrying out repairs in cooperation with a trusted service center. It can be used for:

• replacing a damaged ECU after an electrical or mechanical failure,
• repairing issues with starting, rough engine operation, or controller errors,
• restoring the full efficiency of the 2.0 TFSI CDNC unit after previous unsuccessful electronic modifications.

Due to the nature of a used module, it is recommended to verify adaptation procedures and potential programming for the specific vehicle before installation, in accordance with manufacturer guidelines and service practices.

Selection of a used controller and technical aspects

When choosing a used ECU for an Audi, it is crucial to match it to the engine version, transmission type, and electrical system architecture. This model is designed for the 2.0 TFSI CDNC 211 HP unit with a manual transmission, which helps reduce the risk of incompatibility. A used controller can be an economical solution compared to a new module, provided it is correctly selected and installed by an experienced service center.

If you want to better understand when choosing a used ECU is justified, how to assess the cost-effectiveness of such a repair, and what to pay attention to during installation, it is worth reading the guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.

Expanding repairs in the area of Audi electronics

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 additional controllers, management modules, or related electronic systems, check out the available parts in the Audi electronic control modules and controllers category.