Based on the existing reputation of "Terry" (likely Terry Johnson of ) 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."
: Like most ELM327-compatible software, it allows users to: Read and clear diagnostic trouble codes (DTCs). Monitor real-time engine data and sensor values. Detect specific system pressures and status indicators. gm mode 22 scan tool by terry
4.5/5
While it will read standard "Check Engine" codes (Mode 9), it also accesses manufacturer-specific codes that generic tools miss. This includes transmission codes (on vehicles with electronic automatics like the 4L60/4L80E) and body control module codes. Based on the existing reputation of "Terry" (likely