Delphi 2021.10b refers to a specific version of professional diagnostic software used for cars and trucks, often paired with hardware interfaces like the Delphi DS150E . It is a versatile tool for mechanics and DIY enthusiasts, allowing for deep system scans, fault code reading, and real-time data monitoring.
Includes expanded diagnostic codes and live data reading for both cars and trucks in a single database. delphi 202110b link