Buick Envision I (2016-2018) network ser data bus 21 Wiring diagram

ACCY IGN VOLT ACCY WAKEUP SER DATA AUTOMATIC TRANSMISSION ASSEMBLY BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF INSTRUMENT PANEL, ON FLOOR) COMM ENABLE CONTROL SOLENOID VALVE ASSEMBLY DATA BUS 4 ENGINE CONTROL MODULE GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/GRN WIRE HI SPD GMLAN HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (+) 3 HI SPD GMLAN SER DATA (-) 2 LEFT REAR WINDOW SWITCH LOGIC LO SPD GMLAN SER DATA NETWORK SER NETWORK SER DATA BUS 1 NETWORK SER DATA BUS 2 NETWORK SER DATA BUS 21 NETWORK SER DATA BUS 3 NETWORK SER DATA BUS 4 RIGHT REAR WINDOW SWITCH LOGIC SER DATA SER DATA (+) 2 SER DATA (-) (1) SER DATA COMM ENABLE VIO/YEL WIRE W/ ADAPTIVE CRUISE CONTROL W/O ADAPTIVE CRUISE CONTROL W/O HID, W/ FWD WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE