Gm Mode 22 Scan Tool By Terry Official

If you are running a 4.8, 5.3, or 6.0 Vortec engine, or a classic LS1/LS6, the GM Mode 22 Scan Tool is your best friend for two specific scenarios:

Open “GM Mode 22 Scanner by Terry.exe”. Set the correct COM port and baud rate (8192). gm mode 22 scan tool by terry

Cons

| PID Hex | Description | Why It Matters | | --- | --- | --- | | 0x1654 | Transmission Turbine Shaft Speed | Detects TCC slip or internal clutch failure | | 0x1655 | Transmission Output Shaft Speed | Calculate true gear ratio | | 0x1668 | Line Pressure (PSI) | Low pressure = worn pump or cross leaks | | 0x16B0 | Knock Retard (degrees) | False knock from loose converters vs real detonation | | 0x16C1 | Left & Right Fuel Trim Cell | Long-term cell correction (not seen in Mode 01) | | 0x16D3 | EGR Position Sensor (actual vs commanded) | Sticky EGR valves | If you are running a 4

: Unlike basic scanners that only show engine RPM or coolant temperature, this tool can potentially access "hidden" data such as transmission fluid temperature, actual boost levels, and detailed sensor voltages. Compatibility Compatibility