Audi A4 B8 1.8 TFSI CDHB 160HP Engine ECU Kit BCM Key 8K1907115J Automatic

Audi A4 B8 1.8 TFSI CDHB 160HP Engine ECU Kit BCM Key is a set from the Electronic control modules and controllers category, designed for the powertrain with a 1.8 TFSI petrol engine and an automatic transmission. The kit ensures consistent control of the engine's operation, enabling proper communication with the vehicle's electrical system and other onboard modules.

Specifications and technical data

• SKU: 8K1907115J-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K1907115J
• Substitutable numbers: 8K0909131C, 8K0 909 131 C, 8K0907063, 8K0 907 063, 8K1907115J, 0261S04326, 0 261 S04 326
• Fuel type: Petrol
• Gearbox type: Automatic
• Part type: Engine Control Unit (ECU)
• ECU type: Engine Control Unit
• Category: ECUs & Computer Modules

Purpose and function of the engine controller

The presented ECU kit has been designed for the 1.8 TFSI CDHB engine with 160 HP, typical for the Audi A4 B8 generation. As an Engine Control Unit, it is responsible for the precise management of petrol engine operating parameters, such as fuel dosage, ignition timing, and cooperation with electronically controlled accessories. Using a dedicated controller for a specific engine version and automatic transmission reduces the risk of compatibility issues and facilitates configuration during vehicle adaptation.

Compatibility and integration with the powertrain

The ECU kit is designed to work in a system with an automatic transmission, which is crucial for the correct exchange of data between the engine controller and the transmission control module. This allows for maintaining proper gear shifting strategies, torque control, and cooperation with safety and comfort systems. The presence of dedicated part numbers and interchangeable numbers (visible in the specification) allows for professional compatibility verification by OEM number or vehicle VIN.

Application in the 1.8 TFSI petrol engine

TFSI engines require precise control of the fuel-air mixture and boost pressure, which is why a properly selected controller from the Electronic control modules and controllers category is crucial for the stable operation of the unit. The kit designed for the 1.8 TFSI CDHB version supports the characteristics of this unit, allowing for the maintenance of factory power and torque parameters while ensuring correct cooperation with OBD diagnostic systems.

Characteristics of the ECU kit and benefits of installation

As a used control set, the product provides a solution for the economical repair of the engine's electronic system while maintaining the original system architecture. Using a kit instead of a single module facilitates the adaptation process in the vehicle, as the components are already matched in terms of hardware and software. For workshops and services specializing in the Audi brand, this means shorter diagnostic time, lower risk of conflicts between modules, and the ability to efficiently restore the vehicle's full functionality.

Professional selection and additional materials

When selecting an engine controller, it is worth using the OEM number, interchangeable numbers, and data regarding fuel type, transmission, and ECU version to avoid problems with starting the vehicle after installation. Detailed tips on choosing used control modules, including ECUs, can be found in the Global Parts guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors? 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 controllers, engine management modules, or electronic systems cooperating with the ECU, check the available parts in the Audi electronic control modules and controllers category.