Audi S3 8V 2.0 TFSI 300HP CJXC Quattro Engine Control ECU 06K907425B Manual

Audi S3 8V 2.0 TFSI 300HP CJXC Quattro Engine Control ECU Manual is an original engine control unit from the Electronic control modules and controllers group, designed for a petrol engine paired with a manual transmission. It is a precision component responsible for advanced engine management, essential for professional repairs or restoring the vehicle's factory parameters.

Specifications and technical data

• SKU: 06K907425B-23
• Mark: Audi
• Condition: Used
• OEM Part Number: 06K907425B
• Substitutable numbers: 06K907425B, 06K 907 425 B, 8V0906259A, 8V0 906 259 A, 5WP49101
• Fuel type: Petrol
• Gearbox type: Manual
• Part type: Engine Control Unit (ECU)
• Category: ECUs & Computer Modules

Purpose and role of the ECU in the Audi S3 8V

The presented engine control unit is designed for the 300 HP 2.0 TFSI petrol engine in the Audi S3 8V model with Quattro all-wheel drive and a manual transmission. Its task is to precisely control the combustion process, fuel delivery, ignition, and interaction with other vehicle systems, such as the all-wheel drive or safety systems.

By using an original ECU module, consistency in software and operating parameters with the vehicle's factory configuration is maintained, which is important for both performance and the durability of the powertrain.

Benefits of using an original engine control unit

Using a dedicated controller in an Audi S3 8V with a 2.0 TFSI engine and manual transmission ensures:

• proper matching to the specific Quattro drivetrain configuration and CJXC engine characteristics,
• stable engine operation across the full load range,
• correct interaction with factory diagnostic systems,
• the ability to retain original control maps prepared by the manufacturer.

For users who value maintaining the combination of dynamics and predictable handling characteristic of the Audi S3, choosing an original controller is a technically safe and predictable solution.

Technical characteristics and integration with the drivetrain

The ECU module belongs to the Electronic control modules and controllers group, which means strict integration with the vehicle's electrical installation and systems responsible for safety and driving comfort. The controller works with engine sensors, the fuel injection system, ignition, as well as traction and stability control systems, creating a coherent drivetrain management system.

Being intended for a petrol engine and manual transmission allows for avoiding problems resulting from incorrect controller selection, such as communication errors, power limitations, or improper operation of driver assistance functions.

Condition, origin, and service application

The offered module comes from an Audi vehicle and is a used part, which is an attractive solution for owners of premium segment cars looking for a cost-effective yet technically matched component. In workshop practice, such a controller works well both for repairs following electronic failure and for replacing a damaged ECU with a unit of matching specifications.

Before installation, it is recommended to perform standard service procedures, such as verifying compatibility with the specific vehicle configuration and potential software adaptation in accordance with manufacturer procedures.

Expanding the Audi control system

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

To better understand how original electronic components influence vehicle behavior and help preserve the brand's character, it is worth reading the article: Audi and pure emotion – how used parts help maintain the brand's DNA.