Audi A4 B8 1.8 TFSI CDHA 120HP Engine Control Module ECU 06K907425B Manual

Audi A4 B8 1.8 TFSI CDHA 120HP Engine Control Module 06K907425B Manual is an original electronic control unit designed for petrol engines paired with a manual transmission. This component from the Electronic Control Modules and Units category is responsible for precise engine management, ensuring stable power characteristics and proper interaction with other vehicle systems.

Specifications and technical data

• SKU: 06K907425B-24
• Mark: Audi
• Condition: Used
• OEM Part Number: 06K907425B
• Substitutable numbers: 06K907425B, 06K 907 425 B, 5WA18004
• Fuel type: Petrol
• Gearbox type: Manual
• Part type: Engine Control Unit (ECU)
• Category: ECUs & Computer Modules

Purpose and Function of the Engine Control Module

The presented control module is dedicated to Audi powertrains with a 1.8 TFSI CDHA petrol engine producing 120 HP, equipped with a manual gearbox. As the central unit managing engine operation, the module analyzes signals from sensors, controls fuel injection, ignition timing, and interfaces with other electronic vehicle systems. This allows for maintaining correct engine operating parameters, optimizing fuel consumption, and ensuring proper driving dynamics.

Benefits of Using an Original Module

Using an original control module in an Audi A4 B8 with a 1.8 TFSI CDHA engine preserves the factory performance characteristics of the powertrain. The module is designed to work with a specific engine and manual transmission configuration, minimizing compatibility issues. In practice, this means:

• stable idle and under load operation,
• correct throttle response,
• consistent operation with other vehicle electronic systems,
• easier diagnostics in case of potential faults.

For the user, this translates to reliable, predictable engine performance and the ability to maintain near-factory parameters without resorting to replacement parts of uncertain origin.

Characteristics and Practical Application

The module belongs to the Electronic Control Modules and Units group, meaning it is directly responsible for communication within the powertrain system. In practice, the control module:

• receives signals from engine and drivetrain sensors,
• processes data according to its stored software,
• controls actuators such as injectors and the ignition system.

This enables maintaining proper petrol engine refinement and adapting its operation to road conditions and the driver's style. A correctly selected control module is particularly important when replacing a damaged unit, where maintaining full vehicle functionality is a priority.

Condition and Installation Aspects

The offered control module is a used part, which allows for an economical repair of the engine control system while maintaining the original manufacturer's specifications. Before installation, a standard diagnostic procedure is recommended, along with module adaptation to the specific vehicle instance according to manufacturer requirements, considering the petrol engine and manual transmission configuration. In many cases, appropriate coding or adaptation using specialized diagnostic equipment is necessary.

Expanding the Control System and Selecting Other Modules

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and require other components from the same group, such as additional control units, management modules, or engine control units, check the available parts in the Audi Electronic Control Modules and Units category.

For those interested in the broader context of control units and electronic modules in modern cars, including how to use salvaged parts for engine management system repairs, an article describing a practical approach to modules in premium segment vehicles may be useful: Years of Driving Pleasure – How to Care for iDrive Systems and Electronic Modules in BMW 3 and 5 Series Models Using Salvaged Parts?