Caterpillar electronic technician 2019C FAQ

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.


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
One of Our custorm has some questions for Caterpillar electronic technician as below.

Q1: Can apply for marine engine(C18, C34, etc…)?
A1:Cat ET we have 2019C version.

This is the lastest version.

Caterpillar electronic technician 2019C with WinFlash future is an updated version of the caterpillar dealer diagnostic software that can help technicians to diagnose existing and potential problems with their electronically controlled Caterpillar Engines and Machines.

To get the vehicle information the Cat ET software must be connected to the Electronic Control Module (ECM). For this purpose, you need a suitable diagnostic link adapter (DLA), for instance, Genuine CAT Comm Adapter III

The list of supported CAT machines and engines can be found below(if your vehicle is missing, please contact us we will double check):
Electric Power
Electric Power Generation
Marine Power Systems
Oil and Gas

Articulated Trucks
Asphalt Pavers
Backhoe Loaders
Cold Planers
Feller Bunchers
Forest Machines
Hydraulic Mining Shovels
Knuckleboom Loaders
Material Handlers
Motor Graders
Off-Highway Trucks
Road Reclaimers
Site Prep Tractors
Skid Steer and Compact Track Loaders
Track Loaders
Underground – Hard Rock
Underground – Longwall
Underground – Room and Pillar
Utility Vehicles
Wheel Dozers
Wheel Excavators
Wheel Loaders
Wheel Tractor-Scrapers

Q2: Can use this tool without authorized license?
A2: This tool can work without authorized license. If you order with laptop, We will activation the software for you before ship out the package to you. If you order without laptop, we will activation for you via teamviewer.

Q3: How to update software for 2021year if need it?
A3: Next year if we have new version software, you can purchase the update software from

Cat Electronic Technician (ET) is a software-based service tool which provides service technicians the ability to communicate and work with the electronic controls on Cat products.


Package :
1.Real CAT et3 Comm Adapter III (it’s real cat et 3,not adapter 2,please check Communication port)
2. USB Cable (From device to your computer)
3.ET software DVD (for windows XP or windows7 32bit system)
4.9pin Cable(for old truck)
5.6pin Cable(for old truck)
6.Plastic box



Be the first to comment

Leave a Reply

Your email address will not be published.