Audi A4 B8 1.8 TFSI CDHA 160HP Engine Control Unit ECU Kit 8K1907115C Manual

Audi A4 B8 1.8 TFSI CDHA 160HP Engine Control Unit ECU Kit with a complete ECU set for the manual transmission version is a precise electronic control module designed specifically for the 160 HP petrol unit. This solution allows for restoring the proper operation of the drivetrain while maintaining the driving culture and parameter stability characteristic of Audi.

Specifications and technical data

• SKU: 8K1907115C
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K1907115C
• Substitutable numbers: 8K1907115C, 8K1 907 115 C, 8K1907115, 8K1 907 115, 0261201959, 0 261 201 959, 8K0909131C, 8K0 909 131 C
• Fuel type: Petrol
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the controller

The presented ECU kit is an element from the Electronic control modules and controllers group, responsible for comprehensive management of the petrol engine in the Audi A4 B8 with the 1.8 TFSI CDHA unit. The module supervises, among other things, fuel dosing, ignition, and cooperation with engine accessories to ensure stable performance and predictable throttle response.

Being dedicated to the manual transmission version means that the control logic has been adapted to the characteristics of a manual gearbox, which translates into consistent drivetrain operation across the entire rev range.

Benefits of using the original ECU module

Using the original controller in an Audi allows you to maintain the factory engine performance characteristics without the compromises typical of aftermarket replacements. In practice, this means:

• maintaining the dynamics of the 1.8 TFSI CDHA unit as intended by the manufacturer,
• proper cooperation with the vehicle's electrical system,
• consistency with safety and onboard diagnostic systems,
• easier data interpretation by service diagnostic tools.

For the user, this means more predictable vehicle behavior, stable idle speed, and correct response to load changes, which is particularly important in daily operation.

Technical characteristics in the context of the drivetrain

The controller has been prepared for operation with a petrol engine and a manual transmission, which is significant for both ignition maps and torque control strategies. Thanks to this:

• fuel dosing and ignition control are matched to the specifics of the TFSI unit,
• the module accounts for loads resulting from manual gear changes,
• the drivetrain maintains operational consistency during dynamic driving and in city traffic.

Such matching helps reduce the risk of communication errors between the controller and other components, which is important for component durability and user comfort.

Condition, origin, and practical application

The offered ECU kit comes from dismantling and is a used item, making it an attractive cost-effective solution while maintaining the original Audi specification. This is particularly beneficial for repairs where matching a specific engine and transmission version is crucial, while budget control is also important.

In practice, such a module will work well both when replacing a damaged controller and during a comprehensive drivetrain rebuild after a failure, allowing for the restoration of proper communication between the engine and other vehicle systems.

Integration with other Audi systems and expert knowledge

In the case of Audi electronics, it is particularly important to maintain consistency between the engine controller and other modules in the vehicle. A properly selected ECU facilitates adaptation and coding, and also minimizes the risk of conflicts in the vehicle's communication network.

If you want to better understand how original electronic components influence the car's character and why used components can effectively maintain the brand's factory DNA, it is worth reading the article Audi and emotions in their purest form – how used parts help maintain the brand's DNA.

Related Audi control modules

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 engine controllers, comfort modules, or other electronic control units, check the available parts in the Audi electronic control modules and controllers category.