CAT Caterpillar ET 3 cant Connect the Truck

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CAT Caterpillar ET Diagnostic Tool from Caterpillar provide the capability to access Electronic Control Modules (ECMs) from a personal computer. Many job-critical tasks can be performed with an electronic service tool. The user can display the status of a group of parameters (temperatures, pressures, etc.) simultaneously, view active and clear logged diagnostics, display the current configuration of an ECM and much more. The service tool works with a communication adapter to allow connection to an ECM. A graphical interface makes this software quick to learn and easy to use. A separate pull-down menu for each function enhances the “ease of use.” The version and identification of the ECM is automatically retrieved and is displayed on a summary screen when the program is started. Diagnostic tests and calibrations can also be performed.

There have some customers give feedback that the software cant connect their truck , please check how to do first as bellow :

1.Connect the device with laptop first

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2.Select manage

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3.Click Device Manager

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If you can’t find this cat comm adapter3 , please try to change the other usb port。

If find it but still cant connect your vehicle , please contact us by email directly sales@obd2tool.com

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