VW Volkswagen Sharan 7N 2.0 TDI 140HP CFFB Engine ECU Kit 03L906018HJ Key Lock

VW Volkswagen Sharan 7N 2.0 TDI 140HP CFFB Engine ECU Kit Key Lock is a specialized component from the Electronic control modules and controllers group, designed for precise management of the powertrain. The controller is responsible for monitoring diesel engine parameters, coordinating with auxiliary equipment, and communicating with other vehicle systems, which translates into stable and predictable powertrain operation.

Specifications and technical data

• SKU: 03L906018HJ-1
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 03L906018HJ
• Substitutable numbers: 03L906018HJ, 03L 906 018 HJ, 03L907309Q, 03L 907 309 Q, 0281017096, 0 281 017 096, 5K0837202AD, 5K0 837 202 AD
• Fuel type: Diesel
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and function of the controller

The presented engine computer is designed to work with the 2.0 TDI 140HP engine in the Volkswagen Sharan 7N model with the CFFB code. As a component responsible for managing fuel injection, air intake, and auxiliary equipment operation, the controller ensures consistent powertrain performance under daily operating conditions.

The device belongs to the Electronic control modules and controllers group, meaning it plays a key role in the vehicle's digital architecture – it communicates with other modules, monitors engine operating parameters, and reacts to sensor signals, supporting both the performance and the refinement of the diesel unit.

Powertrain compatibility

The controller is designed for a Diesel engine, which guarantees compatibility with the characteristics of a diesel unit, including specific injection requirements, boost pressure, and emission control. It is prepared to work with an automatic transmission, allowing it to correctly exchange data with the transmission control module, supporting smooth gear shifts and stable engine RPM.

This combination ensures the consistency of the entire powertrain – from fuel dosage control and load response to cooperation with systems responsible for driving comfort and safety.

Product characteristics and service application

The offered item is a Volkswagen brand product, meaning its construction complies with the manufacturer's factory standards. As a result, the controller is the right choice for repairs where maintaining the original system logic and proper communication with the vehicle's electrical installation is essential.

The module comes from the group of used components, making it an attractive solution for optimizing service costs, especially in the case of advanced electronics. In practice, it will prove useful both for replacing a damaged ECU and for professional engine control system repairs where matching a specific powertrain configuration is required.

Benefits of using an original controller

• Consistency with the vehicle's factory electronic architecture.
• Proper fit for the 2.0 TDI 140HP engine with the CFFB code.
• Adapted for use with an automatic transmission.
• Suitable for professional repairs and powertrain diagnostics.

By using an original module from the Electronic control modules and controllers group, you can maintain the predictable behavior of the powertrain and reduce the risk of communication issues between controllers in the vehicle.

Related components and technical knowledge

If you are planning a comprehensive repair or upgrade of the engine area in your Volkswagen and need other components from the same group, such as control modules, auxiliary controllers, or electronic management units, check out the available parts in the Volkswagen electronic control modules and controllers category.

When selecting a used ECU, it is worth knowing the principles of safe automotive electronics selection and typical adaptation procedures. Practical tips on when it is worth choosing a used engine controller and what to pay attention to during installation can be found in the article A second life for electronics – when is it worth opting for used engine controllers, comfort modules, and parking sensors?.