Caterpillar Electronic Technician (Cat ET) 2019A v1 is an advanced diagnostic software designed for communication and service of electronically controlled Caterpillar engines and machines. When connected to the Electronic Control Module (ECM), it enables technicians to identify, configure, and troubleshoot existing or potential issues, while providing detailed performance and configuration data for analysis.
Key Features
Diagnose and clear active and logged faults in Caterpillar ECMs
View recorded events and performance data for preventive maintenance
Monitor multiple live parameters simultaneously (temperature, pressure, voltage, etc.)
Perform ECM configuration changes, calibrations, and diagnostic tests
Graph sensor data and system performance in real time
Generate detailed diagnostic and configuration reports for service documentation
Release Information
Release: 03.2019
Version: 2019A v1
Region: All regions
Languages Supported: English, German (Deutsch), Spanish, Italian, Chinese, Indonesian, and French
Supported Interfaces
CAT Comm Adapter III
DG Technologies DPA5
DrewLinQ Technologies (CarDAQ)
JCB DLA 2.0
NEXIQ USB Link 1 & 2
Noregon DLA 2.0
Perkins Comm Adapter III
Scanmatik 2 Pro
System Requirements
Operating System: Windows 7, 8, 8.1, 10
Processor: Intel/AMD Dual-Core or higher
Memory (RAM): 2 GB or more
Storage: 5 GB free disk space
Hardware: CAT Communication Adapter or compatible diagnostic interface
Technical Highlights
Provides real-time connection to Caterpillar ECMs
Supports both on-highway and off-highway Caterpillar machinery
Enables parameter customization for performance tuning and control
Ideal for workshops, fleet technicians, and engine rebuilders
Works seamlessly with other OEM diagnostic interfaces






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John –
Great service, thanks very much!!
Brayan –
Very satisfied with my purchase, I recommend!