Skoda Octavia Mk2 1.8 TFSI CDAA 160HP Engine Unit ECU Kit 3T0907115G Automatic

Skoda Octavia Mk2 1.8 TFSI CDAA 160HP Engine Unit ECU Kit Automatic is a factory-original electronic control unit designed for the TFSI engine paired with an automatic transmission. This used controller from the Electronic control modules and ECUs category allows for professional powertrain repair without the need for a costly engine replacement. It is a solution for users and workshops that require proven, original electronics with predictable performance parameters.

Specifications and technical data

• SKU: 3T0907115G
• Mark: Skoda
• Condition: Used
• OEM Part Number: 3T0907115G
• Substitutable numbers: 1K0937087Q, 1K0 937 087 Q, 0261S05741, 026 1S0 574 1, 1Z0907115F, 1Z0 907 115 F, 3T0907115G, 3T0 907 115 G
• Gearbox type: Automatic
• Part type: Engine Control Unit (ECU)
• Category: ECUs & Computer Modules

Purpose and function of the ECU

The engine control unit for the Skoda Octavia Mk2 with the 1.8 TFSI CDAA 160HP engine is responsible for precise engine management in the automatic transmission version. It controls, among other things, fuel dosage, ignition timing, auxiliary equipment operation, and communication with the automatic transmission, which translates into stable performance, proper dynamics, and predictable fuel consumption. By using an original module, compatibility with the vehicle's factory electrical architecture and software is maintained.

Benefits of using an original module

Choosing an original engine control unit for a Skoda with a 1.8 TFSI CDAA engine ensures:

• preservation of factory control maps and powertrain logic,
• proper cooperation with the automatic transmission,
• compatibility with the electrical system and other modules in the vehicle,
• possibility of adaptation and programming according to manufacturer procedures.

For workshops specializing in the Skoda brand, such a controller is a convenient base for further configuration, coding, and potential software updates according to the requirements of a specific vehicle.

Application in vehicles with automatic transmission

The presented module is prepared for operation with an automatic transmission, which is crucial for correct communication within the CAN network and for smooth gear shifting. Proper matching of the controller to the transmission type minimizes the risk of errors, limp mode, or incorrect reactions to load. This is particularly important in cars where the engine control unit and transmission control unit exchange data in real-time.

Professional use in service and diagnostics

This item from the Electronic control modules and ECUs group is intended primarily for professional service centers, automotive electricians, and advanced users who have the appropriate diagnostic equipment. In practice, it enables:

• restoring engine control system functionality after an original ECU failure,
• carrying out post-accident or flood-related electrical repairs,
• transferring configuration and coding according to specific VIN requirements,
• testing various software configurations as part of service work.

Due to the nature of used electronics, installation and programming by a specialized workshop that will ensure proper module matching to the car are recommended.

Product condition and practical installation tips

The offered controller is a used item, which in practice means an attractive cost-to-functionality ratio while maintaining original build quality. Before installation, it is worth planning a full electrical system diagnostic, checking the wiring, grounds, and connectors to avoid secondary faults. In many cases, software matching, immobilizer adaptation, and synchronization with other vehicle modules will be necessary.

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

To better assess when choosing a used engine control unit is cost-effective and what to look for during selection and installation, it is worth reading the guide: The second life of electronics – when is it worth choosing used engine ECUs, comfort modules, and parking sensors?