Gm Mode 22 Scan Tool By Terry Today

This means you can access proprietary data like:

Plug your ELM327 scanner into the car's OBD-II port (usually located under the steering wheel). gm mode 22 scan tool by terry

Do not waste money on a $200 "universal OBD1 scanner" that only reads codes. If you own a 1982-1995 GM vehicle, you need live data. You need knock retard, injector timing, and BLM counts. You need the . This means you can access proprietary data like:

: Often unavailable in standard modes.