Gm Mode 22 Scan Tool By Terry -

Using Input Shaft RPM / Output Shaft RPM:

to access enhanced diagnostic data from General Motors vehicles. Key Features and Capabilities gm mode 22 scan tool by terry

GM Mode 22, also known as "Mode 22," is a feature in some General Motors (GM) vehicles that allows for advanced scan tool functionality. It's a protocol that enables communication between a scan tool and the vehicle's onboard computer, providing detailed information about the vehicle's systems and allowing for advanced troubleshooting and repair. Using Input Shaft RPM / Output Shaft RPM:

: Note the specific port number assigned to your device (e.g., COM3). : Note the specific port number assigned to your device (e

Is the software perfect? No. You’ll need patience to find a working download and to configure your serial connection. But once it’s running, you will wonder how you ever diagnosed a GM “Check Engine” light without it.