Caterpillar ET 2021A (replaces CAT ET 2020C 2020A 2020B) Electronic Technician Diagnostic Software ：
Brand: Caterpillar
Region: WorldWide
Support Multi-language ：English, Chinese, Danish, French, German, Italian, Japanese, Portuguese, Russian, Spanish
Publication date: 10.2020 year
Support All cars of CAT

Caterpillar ET 2021A is a good replacement for the CAT ET 2020C 2020A 2020B Electronic Technician Diagnostic Software. Cat electronic technician 2020C 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.
2021A Caterpillar Electronic Technician software With CAT ET 3 Cat caterpillar adapter 3 support caterpillar diagnostic till 2020..

2021A is an upgraded version of 2020C , A represents the first quarter, and C is the software updated in the third quarter.

2021A Cat ET software as Cat Caterpillar ET 2018C 2019A 2019C 2020C Software update version, 2021A Caterpillar Electronic Technician softwarer With CAT ET 3 Cat caterpillar adapter 3 support caterpillar diagnostic till 2021.


With the CAT Diagnostic Tool, you can:
View active and logged diagnostics
View events where irregularities occurred and were logged by the ECM
View the status of a group of parameters (temperatures, pressures, etc.) simultaneously
Record and log performance data
Graph a group of status parameters
View the current configuration of an ECM
Change ECM configurations
Perform diagnostic tests
Perform calibrations
Print reports and diagnostic results
For some machine and engine products, additional functionality has been included with the service tool program

CAT Caterpillar ET Diagnostic Tool enable service technicians to reprogram ECMs, reconfigure control system parameters, fine tune performance or diagnose the root cause of a failure the first time. These powerful tools allow service personnel to display and analyze vital performance and health information from any system quickly and accurately. The service tool communicates with any system using ATA (J1708), J1939 or the Caterpillar proprietary data link networks. The service tools provide information and features needed to help a technician diagnose problems and perform repairs and to customize and personalize the operation of a product. By allowing customers to design flexibility and configurability into a product, Caterpillar service tools stretch beyond the capabilities of preprogrammed ECMs or onboard display systems.

CAT Caterpillar ET Diagnostic Tool Features
Display, graph and log status parameters.
Retrieve prognostic data including histograms, engine totals for fuel used and miles traveled.
View active diagnostics and clear logged diagnostics. View events where irregularities have occurred and have been logged by the ECM.
 Perform calibrations to enhance performance of the ECM.
 Customize the ECM with application-specific settings.
 Over 100 custom Diagnostic, Information and Service features including:
  - 2D and 3D Histogram plotting capability (engine software
    support required).
  - Custom Status screen groups
  - Snapshots (Download and display snapshot data recorded by the
    ECM)
  - Configuration Aid that allows upload/download of same
    configuration to multiple control modules

Customised Service Tool Options
Customized service tool name
Customized graphics for the splash screen and icons
Customized installation
Aftermarket differentiation, i.e., the tool for one customer does not work on the product of another customer.
Licensing options for customer management
Flash programming of the ECM(s)
Training demonstration allows familiarity with the tool"s primary functions without connecting to ECM(s)
Perform customized diagnostic tests to identify harness problems, cylinder or component failures (Automatic Cylinder Cutout with cylinder to cylinder fueling comparison)


Package 1 :
1.Used Lenovo X220 laptop (with Caterpillar ET 3 2020C Electronic Technician Diagnostic Software)
2.Real CAT et3 Comm Adapter III(it"s best quality cat et 3,not adapter 2,please check Communication port)
3.USB Cable (From device to your computer)
4.J1939/J1708 9PIN Cable (from device to your truck)
5.6PIN Cable (for old truck)
6.14PIN Cable(for new trucks)


Package 2:
1.Used Lenovo X220 laptop (with Caterpillar ET 3 2021A Electronic Technician Diagnostic Software)
2.Real CAT et3 Comm Adapter III(it"s best quality cat et 3,not adapter 2,please check Communication port)
3.USB Cable (From device to your computer)
4.J1939/J1708 9PIN Cable (from device to your truck)
5.6PIN Cable (for old truck)
6.14PIN Cable(for new truck)