Modern generic scan tools do not speak "Mode 22" because the addresses (e.g., $22 $04 for RPM) changed based on the vehicle’s PROM (Programmable Read Only Memory) mask ID.
In the world of vehicle diagnostics, "Modes" refer to different types of data requests. While Mode 01 provides standard live data, gm mode 22 scan tool by terry
Moates essentially commercialized Terry’s work. If you find one, grab it. It supports full Mode 22 addressing. Modern generic scan tools do not speak "Mode
Q: Is the tool easy to use? A: Yes, the tool features a user-friendly interface that makes it easy to navigate and use, even for those with limited technical knowledge. gm mode 22 scan tool by terry