Buick Envision II (2020-2024) (below center of instrument panel, on floor) Wiring diagrams

AUTOSAR CAN BUS (+) 5 SERIAL DATA BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BODY CTRL MODULE LIN BUS 5 AUTOSAR CAN BUS (+) 2 SERIAL DATA GND BRN/BLK WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BLK WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL LOW FREQUENCY ANTENNA INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT FRONT EXTERIOR DOOR HANDLE SWITCH UNLOCK SIG LF DOOR LOCK ACTUATOR CTRL LF DOOR OPEN SWITCH SIG LIN BUS 16 LOCK ACTUATOR UNLOCK CTRL 1 LOGIC PASSIVE ENTRY HI SIG PASSIVE ENTRY LOW SIG REAR BUMPER LOW FREQUENCY ANTENNA REAR CONSOLE LOW FREQUENCY ANTENNA RED/VIO WIRE RED/YEL WIRE REMOTE FUNCTION ACTUATOR MODULE RF DOOR LOCK ACTUATOR CTRL SECURITY IND SIG GND VIO WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/GRY WIRE YEL/GRN WIRE

AJAR SW SIG AUTOSAR CAN BUS BATT POS VOLT BATT POS VOLT INSTRUMENT PANEL ACCENT LIGHTING CTRL GROUND BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN/BLU WIRE COMPUTER DATA COMPUTER DATA LINES SYSTEM DOME LAMP IND DOME LAMP ON/OFF SWITCH DOME LAMP TURN OFF SWITCH DRIVER FRONT SIDE DOOR LATCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK FRONT READING LAMP IND FRONT READING LAMP SWITCH GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK INTERIOR DOOR HANDLE ACCENT LIGHTING CTRL INTERIOR LAMP CTRL LEFT REAR SIDE DOOR LATCH LEFT REAR SIDE DOOR WINDOW SWITCH LINES SYSTEM LOGIC MULTI-FUNCTION POWER SUPPLY CONVERTER NETWORK BUS 3 NETWORK BUS 4 PASSENGER FRONT SIDE DOOR LATCH PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR POWER DISTRIBUTION SYSTEM REAR COMPT COURTESY LAMP CTRL REAR READING LAMP IND REAR READING LAMP SWITCH REAR SEAT CENTER READING LAMP RED WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE ROOF CONSOLE VIO/GRY WIRE W/ SUNROOF W/ UNIVERSAL GARAGE DOOR OPENER W/O SUNROOF WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/YEL WIRE

BATT POSI SPLY BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BLK WIRE BODY CONTROL MODULE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER FRONT SIDE DOOR WINDOW SWITCH DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR ENGINE WIRING HARNESS JUNCTION BLOCK FRONT HEATER, AIR CONDITIONING USER INTERFACE CONTROL GRN/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC NCA WIRE NETWORK SERIAL DATA BUS 9 NETWORK SERIAL DATA LIN BUS 9 PASSENGER FRONT SIDE DOOR WINDOW SWITCH PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS REAR DEFOGGER IND REAR DEFOGGER RLY CTRL REAR DEFOGGER SWITCH REAR WINDOW DEFOGGER GRID REAR WINDOW DEFOGGER RELAY RED/GRN WIRE RED/GRY WIRE WHT WIRE

5 BUS (-) 5-VOLT REF 1 BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS SIG BRAKE PEDAL POSITION SENSOR BRAKE SIGN BRK POS SENS SIG CAN BUS (+) 2 CAN BUS (-) 2 BATT POS VOLT CAN BUS (-) 3 COMPUTER DATA LINES SYSTEM CRUISE/ETC/TCC CRUISE/ETC/TCC BRAKE SIG DRIVER INFORMATION CENTER DISPLAY ENG CTRL SENS ENG CTRL VEH SENS ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE WIRING HARNESS JUNCTION BLOCK GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE HANDS-FREE LIFTGATE SENS LAMP CTRL HAZARD WARNING SW SIG HAZARD WARNING SWITCH HDLP SW FLASH SIG HIGH BEAM SELECT SW HIGH BEAM SIG HDLP SW PARK LP SIG HEADLAMP SWITCH HI BEAM ASSIST SW SIG HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT TURN IND LH TURN SIG SW SIG LOGIC LOW REF 2 OFF AUTO PARK HEAD PARK LAMPS IND REAR CLOSURE HANDLE SW OPEN SIG REAR CLOSURE HANDS FREE LAMP RED/WHT WIRE RH TURN SIG SW SIG RIGHT TURN IND SIG GND TURN SIGNAL SWITCH VIO/BLU WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE

AJAR SW SIG AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (-) 2 SERIAL DATA BLK WIRE BLK/YEL WIRE BLU/RED WIRE BLU/YEL WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM DRIVER FRONT SIDE DOOR LATCH DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR ENGINE OIL PRESSURE SENSOR GRN/GRY WIRE GRN/YEL WIRE GRY WIRE LEFT FRONT DOOR OPEN SW SIG LEFT REAR SIDE DOOR LATCH LEFT REAR SIDE DOOR WINDOW SWITCH LF DR AJAR SW SIG LIN BUS 3 LOGIC NETWORK BUS 4 PASSENGER FRONT SIDE DOOR LATCH PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR RIGHT REAR SIDE DOOR LATCH RIGHT REAR SIDE DOOR WINDOW SWITCH VIO/GRY WIRE WHT WIRE WHT/VIO WIRE YEL/BRN WIRE

AUTO AUTOSAR CAN BUS BATT POS VOLT BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE COMPUTER DATA COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK FLOOR CONSOLE ACCESSORY FUNCTION SWITCH FLOOR CONSOLE FRONT ACCESSORY POWER RECEPTACLE FLOOR CONSOLE REAR DUAL CHARGE ONLY RECEPTACLE FRONT HEATER, AIR CONDITIONING USER INTERFACE CONTROL GEAR SHIFT CONTROL MODULE GRN/GRY WIRE GROUND HAZARD WARNING SWITCH HEAD HEAD-UP DISPLAY SWITCH HEADLAMP SWITCH HEADLAMP SWITCH PARK LAMP SIGNAL HOT AT ALL TIMES INSTRUMENT PANEL DIMMER SWITCH INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT REAR SEAT HEATER SWITCH LINES SYSTEM LOGIC MULTI-FUNCTION POWER SUPPLY CONVERTER MULTIMEDIA RECEPTACLE OFF ON/OFF VEHICLE SWITCH PARK POWER DISTRIBUTION SYSTEM RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RIDE CONTROL SWITCH RIGHT REAR SEAT HEATER SWITCH WHT WIRE YEL WIRE YEL/GRY WIRE

AUTOSAR CAN BATT POS VOLT BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BUS (-) 2 SERIAL DATA CAN BUS (+) 2 COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM GRN/YEL WIRE GRY/BLK WIRE HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIFTGATE AJAR SW SIG 1 LIFTGATE LATCH LIGHTING CONTROL MODULE LOCK ACTUATORS UNLOCK CTRL 2 REAR LICENSE PLATE LAMP MODULE RED/WHT WIRE RR CLOSURE HNDL SW OPEN SIG RR CLOSURE UNLATCH ACTR UNLATCH CTRL VIO/GRY WIRE WHT WIRE YEL/BLU WIRE

3/4 OFF BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN BUS (+) 2 COMPUTER DATA LINES SYSTEM GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/VIO WIRE HOT AT ALL TIMES ILL INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIFTGATE POWER ASSIST ACTUATOR (UPPER LEFT SIDE OF LUGGAGE COMPT) LIFTGATE RELEASE SWITCH LIFTGATE RELEASE, LIFTGATE OPEN LIFTGATE SENS LAMP CTRL MAX NCA WIRE OPEN/CLOSE SW SIG REAR CLOSURE HANDLE SW OPEN SIG REAR CLOSURE HANDS FREE LAMP REAR CLOSURE HANDS FREE MODULE REAR LICENSE PLATE LAMP MODULE RED/WHT WIRE WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BLU WIRE

AUTOSAR CAN BUS (-) 2 SER DATA BATTERY POSITIVE VOLT BLK WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM HIGH HEATED SEAT IND HIGH HEATED SEAT SWITCH ILL LEFT REAR SEAT HEATER SWITCH LR SEAT HEATING HIGH IND CTRL LR SEAT HEATING SW SIG RED/VIO WIRE RIGHT REAR SEAT HEATER SWITCH RR SEAT HEATING HIGH IND CTRL RR SEAT HEATING SW SIG WHT WIRE YEL WIRE

AUTOMATIC TRANSMISSION ASSEMBLY BATTERY POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE BRAKE PEDAL POSITION SENSOR BRK APPLY SENS CTRL BRK APPLY SENS LOW REF BRK APPLY SENS SIG BRK POS SENS SIG CAN BUS (+) 3 SERIAL DATA CAN BUS (-) 2 SERIAL DATA CAN BUS (-) SERIAL DATA CAN BUS (-) SERIAL DATA BATT + VOLT COMPUTER DATA LINES SYSTEM ENG CTRL MODULE LIN BUS 1 ENG POS SENS LOW REF 2 ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) GEAR SHIFT CONTROL MODULE GRN/VIO WIRE GRY/BRN WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED HOT W/ IGNITION MAIN RELAY 1 ENERGIZED INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT FRONT STRUT TOWER) NCA WIRE PARK INHIBIT SOLENOID ASSEMBLY CONTROL POWERTRAIN SENS BUS ENABLE RED/GRY WIRE RED/WHT WIRE RUN/CRANK IGN 1 VOLT SIG GND TOP OF TRANSMISSION) TRANSMISSION CONTROL MODULE TRANSMISSION HIGH SIDE DRIVER 2 CONTROL TRANSMISSION PARK VALVE LOCK SOLENOID ACTUATOR VIO/BLK WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE