How to Create New Caterpillar Injector Trim Files

Caterpillar ET 2019C is a good replacement for the CAT ET 2018b, 2019A,2019B Electronic Technician Diagnostic Software. Cat electronic technician 2019C is an updated version of the caterpillar dealer diagnostic software. The program easy to works with the Caterpillar Communication Adapters family. This diagnostic app allows you to: Change vehicle’s parameters Lock / Unlock parameters Diagnose and reconfigure Reading of error codes ECM Flash.
2019C Caterpillar Electronic Technician software With CAT ET 3 Cat caterpillar adapter 3 support caterpillar diagnostic till 2019..


Caterpillar ET 2019C (replaces CAT ET 2018b, 2019A,2019B) Electronic Technician Diagnostic Software :
Brand: Caterpillar
Region: WorldWide
Support Multi-language :English, Chinese, Danish, French, German, Italian, Japanese, Portuguese, Russian, Spanish
Publication date: 10.2019 year
Support All cars of CAT


It is necessary to program injector for Caterpillar after replacement.And you need use related injector trim files to program them.

How to Create New Caterpillar Injector Trim Files?


Open a trim file (also available read it by CAT Communication Adapter) with txt

Copy the content from <Data>…</Data>


Paste it into CAT Trim File calculator


Here you can find the InjectorSeriaNo is same as the one in trim file

Now input new injector serial number then click “Change” button

Content between <Data>…</Data> will renew,now copy it and paste it into trim file


And change the InjectorSerialNo you input in the Cat trim file calculator


After then save this file and change the file format as .trm

Now use Caterpillar Diagnostic Tool Service function to load this trim file to program injector.


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