| Tool | Mode 22 Support | Price | Ease of Use | |------|----------------|-------|--------------| | Terry’s Tool | Yes (older GM) | Free | Moderate (requires PC) | | Tech 2 | Full | $500–2000 | High | | Autel MaxiDiag | Partial (some PIDs) | $500+ | High | | Torque Pro + custom PIDs | Limited (requires manual PID entry) | $5 | Medium |
Should we look into the needed to run this software, or gm mode 22 scan tool by terry
Turn the ignition to ON (engine off for sensor checks) or start the engine. Click “Connect” or “Scan Mode 22”. | Tool | Mode 22 Support | Price