VW Golf Mk7 Audi Q3 8U 1.4TSI CHPB 150HP Engine Unit ECU 04E906027CL Automatic

The VW Golf Mk7 Audi Q3 8U 1.4TSI 150HP Engine Control Unit 04E906027CL Automatic is an original electronic control module designed for 1.4 TSI 150 HP units paired with an automatic transmission. This specialized control unit from the Electronic Control Units and Controllers group ensures precise management of engine operation, fuel injection, and powertrain parameters. Thanks to its factory OEM design, it is suitable as a replacement part for professional repairs and diagnostics.

Specifications and technical data

• SKU: 04E906027CL
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 04E906027CL
• Substitutable numbers: 04E906027CL, 04E 906 027 CL, 0261S09879, 0 261 S09 879, 04E907309AE, 04E 907 309 AE
• Gearbox type: Automatic
• Part type: Engine Control Unit (ECU)
• Category: ECUs & Computer Modules

Control Unit Purpose and Function

The engine control unit is dedicated to Volkswagen Golf Mk7 and Audi Q3 8U vehicles equipped with a 1.4 TSI 150 HP gasoline engine and an automatic gearbox. Its function is to continuously calculate and adjust engine operating parameters, such as fuel dosage, ignition timing, and load strategy, taking into account the collaboration with the automatic transmission. A properly selected ECU module helps maintain stable engine running, correct gear shifting, and consistency with the vehicle's factory configuration.

Benefits of Using an Original Control Unit

Using an original engine control unit in Volkswagen and Audi vehicles ensures:

• preservation of factory control maps and operating strategies for the 1.4 TSI 150 HP unit,
• proper interaction with the automatic gearbox and other electronic modules,
• compatibility with safety and comfort systems that communicate with the ECU via the data bus,
• the ability for correct coding and adaptation during vehicle service configuration.

For workshops and users, this translates to a more predictable installation process and a lower risk of software compatibility issues compared to non-factory aftermarket alternatives.

Integration with the Powertrain and Automatic Transmission

The control unit is designed to work with vehicles featuring an automatic transmission, which is crucial for correct part selection. The module considers signals from the gearbox sensors, collaborates with the gear shifting logic, and reacts to engine load in real-time. This ensures that:

• gear changes occur within the RPM range specified by the manufacturer,
• the engine and gearbox form a cohesive system in terms of dynamics and driving comfort,
• the control unit can be properly diagnosed using factory service tools.

Proper matching of the ECU module to the gearbox type is important for both post-failure repairs and when replacing a damaged control unit with a used part from a dismantled vehicle.

Practical Application in Service

This engine control unit is ideal for professional workshops specializing in automotive electronics, diagnostics, and TSI unit repairs. It can be used for:

• replacing a damaged ECU after an electrical or software failure,
• restoring the factory powertrain configuration after a collision or installation tampering,
• advanced diagnostics of problems with the 1.4 TSI 150 HP engine operation in conjunction with an automatic transmission.

A used, original production module is an attractive cost-effective alternative to new parts, while maintaining factory design and the ability to be adapted to a specific vehicle.

Volkswagen Electronic Control Units and Controllers – Expansion and Repairs

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 engine control units, gearbox management modules, or other electronic control units, check the available parts in the Volkswagen Electronic Control Units and Controllers category.

More About Electronic Modules and Engine Control Units

If you are interested in how engine control units and other comfort modules are repaired and replaced in practice using parts from dismantled vehicles, it is worth reading the guide on solutions used in premium vehicles. A detailed discussion of the operation of control units, comfort modules, and multimedia systems can be found in the article Years of Driving Pleasure – How to Care for iDrive Systems and Electronic Modules in BMW 3 and 5 Series Models Using Parts from Dismantled Vehicles?, which illustrates universal principles for selecting and operating used electronic modules.