Audi A5 8T 3.0 TDI CCWA Quattro 239HP Engine ECU Kit 8K2907401A 2 Keys Manual

Audi A5 8T 3.0 TDI CCWA Quattro 239HP Engine ECU Kit is a complete electronic solution designed for vehicles equipped with all-wheel drive and a diesel engine of the specified power. The kit includes the ECU module along with matched immobilizer components and two programmed keys, which significantly facilitates installation and vehicle startup after replacement. This is a practical solution for workshops and users looking for a coherent, factory-spec engine control system.

Specifications and technical data

• SKU: 8K2907401A-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K2907401A
• Substitutable numbers: 8K2907401A, 8K2 907 401 A, 0281016452, 0 281 016 452, 8K0909131D, 8K0 909 131 D, 8K0905852D, 8K0 905 852 D, 8K0905852C
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and configuration of the ECU kit

The presented Audi A5 8T 3.0 TDI CCWA Quattro 239HP Engine ECU Kit has been developed for vehicles with a manual transmission. It is responsible for comprehensive management of the engine's operation, including fuel injection, boost control, exhaust emission control, and cooperation with safety and all-wheel-drive systems. Using a complete kit minimizes the risk of issues with matching the electronics to the specific vehicle configuration.

The inclusion of two keys in the set allows for full functionality of the immobilizer system and convenient vehicle use after repair – without the need for additional programming of further transponders in most standard service scenarios.

Benefits of using a complete control unit kit

Choosing a complete ECU kit with keys and associated electronic components offers a number of practical advantages:

• consistency of components within a single vehicle, which reduces software and immobilizer compatibility issues,
• accelerated installation and startup process after replacing the control unit,
• preservation of the correct operating parameters for the 3.0 TDI CCWA engine in the Quattro version,
• possibility of effective diagnostics and adaptation based on the factory configuration.

Thanks to this kit, the workshop can focus on proper installation and adaptation procedures instead of time-consuming matching of individual modules from different sources.

Application in vehicles with manual transmission

The discussed kit is intended for vehicles with a manual transmission, which is crucial for the correct interaction between the control unit and the drivetrain. The ECU software in such a configuration takes into account the specifics of clutch operation, acceleration characteristics, and response to loads typical for manual gearboxes. Proper matching of the transmission type is important for both driving dynamics and component durability.

In practice, this means stable engine operation across the full rev range, correct functioning of driver assistance features, and predictable behavior of the drivetrain under various operating conditions.

Electronic control modules and Audi controllers – expansion and service

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 engine controllers, comfort modules, or safety system controllers, check out the available parts in the Electronic control modules and Audi controllers category.

Choosing a used ECU and keys – technical support

When purchasing a used ECU kit, it is particularly important to pay attention to hardware and software compatibility with the specific vehicle version, as well as to correctly perform installation and adaptation procedures. Proper selection based on manufacturer markings and vehicle parameters allows you to avoid problems with starting the car, engine control errors, or incorrect operation of related systems.

To better understand how to safely select and install used control modules, it is worth checking out our practical guide: Used automotive electronics on board – why choose second-hand ECU modules and sensors?. There, you will find tips on selection based on manufacturer markings, compatibility, and the most frequently asked questions related to installation.

Summary

The complete Audi A5 8T 3.0 TDI CCWA Quattro 239HP Engine ECU Kit with manual transmission and two keys is a functional service solution that simplifies the replacement of control electronics and reduces the risk of immobilizer issues. It is a practical choice for workshops and users expecting a coherent, factory-spec engine control system that ensures proper engine operating parameters and comfort in daily use.