Cat Communications Adapter 3

Caterpillar ET 2021B 2019C 2018A Electronic Technician Software Free Download

  December 20, 2021
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What is Caterpillar ET? Caterpillar Electronic Technician (Cat ET) is diagnostic software required to communicate, diagnose and service electronically [...]

Caterpillar ET 2021B (replaces CAT ET 2021A, 2020B, 2020A) Electronic Technician Diagnostic Software

  November 24, 2021
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Caterpillar electronic technician 2021B with WinFlash future is an updated version of the caterpillar dealer diagnostic software that can help technicians to [...]

How to fix the CAT ET SIS error #142 – requested baud rate is invalid

  January 18, 2021
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This means you have communication error between your CAT II / III adapter and the CAT ET Software setup. Usually it is a simple fix. - In the CAT software [...]