Gm Mode 22 Scan Tool By Terry !!install!! ★ Complete

The Terry GM Mode 22 Scan Tool has become a legendary piece of kit for enthusiasts of late-90s and early-2000s General Motors vehicles. Unlike generic code readers that only provide surface-level data, this specialized tool taps into the specific proprietary "Mode 22" diagnostics used by GM. If you are looking to diagnose a misfire, check real-time sensor data, or perform advanced maintenance on a classic LS-based engine or a 3800 Series V6, this tool is often the most cost-effective bridge between a basic scanner and a professional Tech 2.

• Live Data: Blend door positions, A/C pressure, evaporator temp.
• Bi-Directional Controls (The "Smart" Part):

  Based on the existing reputation of "Terry" (likely Terry Johnson of Terry's GM Tutorials) and his existing software (Terry's GM Scan Tool), the most logical and high-impact feature to add would be a "Bi-Directional Smart-Actuator Dashboard." gm mode 22 scan tool by terry

  Author’s Note: Thanks to Terry and countless GM master techs who shared Mode 22 PID lists on forums like Gearhead-EFI, LS1Tech, and the now-defunct GM TechTrain listserv. The data is old, but the protocol is still gold. The Terry GM Mode 22 Scan Tool has