Volkswagen Touran 1T 1.2 TSI CBZB 105HP Engine ECU Kit 03F906070BG Lock + Key

Volkswagen Touran 1T 1.2 TSI CBZB 105HP Engine ECU Kit Lock + Key is a complete engine control set designed for the 1.2 TSI petrol unit with a manual transmission. It includes an Engine Control Unit along with a lock and key, which facilitates matching with the factory immobilizer system and speeds up the electronic system repair process.

Specifications and technical data

• SKU: 03F906070BG-1
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 03F906070BG
• Substitutable numbers: 03F906070BG, 03F 906 070 BG, 5WP44706
• Fuel type: Petrol
• Gearbox type: Manual
• ECU type: Engine Control Unit
• Category: ECUs & Computer Modules

Purpose and function of the ECU kit

The ECU kit is designed to work with the 105HP 1.2 TSI petrol engine in the Volkswagen Touran 1T model with a manual transmission. The controller plays a key role in managing the engine's operation, controlling, among other things, the fuel dose, ignition, and auxiliary equipment parameters, which translates into stable engine performance and predictable throttle response.

Combining the controller with a matched lock and key allows for consistent operation with the vehicle's factory security system, minimizing the risk of starting problems after replacing the electronics.

Benefits of using a complete kit

Choosing a complete ECU kit with a lock and key is particularly beneficial when replacing a damaged controller in vehicles with an extensive immobilizer system. This set:

• facilitates matching with the vehicle's existing electrical installation,
• limits the scope of programming to the necessary minimum,
• ensures consistency of components responsible for starting authorization,
• speeds up the diagnostic and startup process after installation.

Thanks to this solution, you can effectively restore the correct operation of the engine control system while maintaining the factory logic of the engine's operation.

Technical characteristics and vehicle integration

The controller from this series belongs to the Electronic control modules and controllers group and is intended for use with a petrol engine and a manual transmission. Proper hardware and software configuration enables cooperation with factory sensors, the engine wiring harness, and other modules in the vehicle network.

Before installation, it is recommended to verify compatibility by the OEM number and compare the version with the currently installed controller, which helps avoid communication problems between modules and ensures the correct operation of all engine functions.

Product condition and service application

The offered set comes from a used vehicle and is intended for service applications as a replacement part in the event of an original controller failure. It is a practical solution for workshops specializing in automotive electronics and for users who want to restore the efficiency of the engine control system without the need to purchase a new module.

Due to the specificity of automotive electronics, installation by an experienced service center with access to appropriate diagnostics and adaptation procedures is recommended.

Selection support and additional information

To properly select a used engine controller and avoid compatibility problems, it is worth using practical tips on selection by OEM number, hardware and software compatibility, and installation procedures. A detailed discussion of these issues can be found in the Global Parts guide: Used automotive electronics – ECU modules and second-hand sensors.

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 controllers, engine management modules, or electronic controllers working with the engine, check the available parts in the Volkswagen electronic control modules and controllers category.