CAT ET 2021A & 2019C Full Service Download & Installation Service


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CAT ET 2021A & 2019C Full Service Download & Installation Service

Caterpillar Electronic Technician (Cat ET) is diagnostic software required to communicate, diagnose and service electronically controlled Caterpillar engines and machines.

When connected to an Electronic Control Module (ECM), a technician has the ability to diagnose existing and potential problems, configure the product, and obtain data for analysis. This program works with the dealer diagnostic scanner Caterpillar Communication Adapter as well as RP1210 compatible diagnostic adapters such as Nexiq, DPA5 and others.

If you need Spare Parts Catalogue for CAT,please check here:2020 Caterpillar SIS CAT SIS Software Download & Installation Service

Note:This price only for one pc installation,if you want to install it for more pc,you need pay times.After payment,you will get the download link automatically,then please contact us to install it for you.


CAT ET Diagnostic Software Features:

Date Version:2021A & 2019C

Languages:English and Chinese

OS:Window7,Window8 and Windo10

Activate Type:JERD2129 Full

Expiration:Never Expired

CAT ET 2021A Diagnostic Software

Preparations for CAT ET 2021A Remote Installation:

1.Run HWID
2.Click “Save To File”
3.Click “OK”
4.It will save a “HWID.txt” file,please sent it to me (

CAT ET 2020B Installation


Cat ET Functions:

Displays parameter status

Displays active diagnostics

Clear and View logged diagnostics

Performs Diagnostic tests

Print reports and diagnostic results

Perform calibrations

Displays current totals information i.e. fuel consumption, operating hours, etc.

Uploads new software (Flash Files) to ECM’s

Integration to help files

Creates engine warranty reports



Additional information


2021A, 2019C

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