
Tuner Starter Kit: Flex User Guide + ECU Mask
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The perfect combo for programming engine control units and automatic transmissions while reducing the risk of errors. This bundle includes the official guide for using Flex and ECU Mask, the solution for secure and stable bench connections.
DESCRIPTION
With the Flex User Guide, you can get the most out of your Flex ECU and TCU programmer. This book is thoughtfully designed to provide a comprehensive overview of Flex’s features and to guide you step-by-step through the daily procedures for programming engine control units and transmissions control units.
You’ll find:
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An introduction to communication protocols
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A detailed overview of Flex's capabilities
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Practical examples for ECU/TCU connections
ECU Mask is the perfect solution for bench programming engine control units from the most common brands: Bosch, Delphi, Denso, Marelli. Its operation is fast and intuitive:
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No more pin counting
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Select the correct mini card and connect to the matching pin
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Errors are avoided because only the necessary pins are exposed — the rest remain covered
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