Yo soy franky castThe official website for the Bluetooth wireless technology. Get up to date specifications, news, and development info. Become a member today!Install msvc 2019 compilerELM327 AT Commands Version in which the command first appeared… version Command Description Group 1.4 LP go to Low Power mode General 1.0 M0 Memory Off General 1.0 M1 Memory On General 1.0 MA Monitor All OBD 1.2 MP hhhh (J1939) Monitor for PGN hhhh J1939 1.4b MP hhhh n (J1939) Monitor for PGN hhhh, get n messages J1939