Buick Envision II (2020-2024) (center of steering wheel) Wiring diagrams

AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (+) 3 SERIAL DATA BATT POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT AUTOMATIC TRANSMISSION MANUAL SHIFT AUXILIARY POSITION SWITCH RED WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE STEERING WHEEL AIR BAG COIL TAP UP/TAP DOWN SW SIG VIO WIRE VIO/BLK WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

AUTOSAR CAN BUS (+) 3 SERIAL DATA BATTERY POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM GEAR SHIFT CONTROL MODULE (IN FLOOR CONSOLE) GRN/BLK WIRE GRY/BRN WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN SENS BUS ENABLE PRIVATE SERIAL DATA POWERTRAIN CAN BUS (+) SERIAL DATA RED/GRN WIRE RED/GRY WIRE RIGHT AUTOMATIC TRANSMISSION MANUAL SHIFT AUXILIARY POSITION SWITCH RUN/CRANK IGN 1 VOLT STEERING WHEEL AIR BAG COIL STEERING WHEEL RADIO CONTROL SWITCH VIO/BLK WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE YEL/BLK WIRE YEL/BLU WIRE

AUDIO AMPLIFIER BATTERY MONITOR MODULE BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF INSTRUMENT PANEL, ON FLOOR) BRN/BLK WIRE BRN/BLU WIRE CAN BUS (-) 5 DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR ENGINE COOLING FAN MOTOR ETHERNET BUS 6 (-) FRONT SEAT HEATER VENT CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE HEATED STEERING WHEEL MODULE INSIDE AMBIENT AIR QUALITY PARTICULATE SENSOR MODULE LEFT REAR SIDE DOOR WINDOW SWITCH LIN BUS 1 LIN BUS 10 LIN BUS 11 LIN BUS 12 LIN BUS 16 LIN BUS 3 LIN BUS 4 LIN BUS 5 LIN BUS 6 LIN BUS 8 LIN BUS 9 NCA WIRE PASSENGER FRONT SIDE DOOR WINDOW CONTROL SWITCH PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR REAR CLOSURE HAND- FREE MODULE REAR SEAT HEATER CONTROL MODULE REMOTE FUNCTION ACTUATOR MODULE RIGHT REAR SIDE DOOR WINDOW SWITCH STEERING WHEEL AIR BAG COIL VIO WIRE VIO/GRN WIRE W/ IOS W/ IOU WHT WIRE YEL WIRE

ACTIVE GRILLE AIR SHUTTER ACTUATOR BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BRN/BLU WIRE BUS ENABLE CAN BUS (+) 6 SERIAL DATA CAN BUS (-) 2 SERIAL DATA DRIVER FRONT SEAT ADJUSTER SWITCH DRIVER FRONT SEAT BLADDER CONTROL MODULE ENGINE COOLANT FLOW CONTROL VALVE BLOCK ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT PUMP ETHERNET BUS 2 (-) ETHERNET BUS 4 (-) ETHERNET BUS 7 (-) EVAPORATIVE EMISSION CANISTER PURGE PUMP FUEL PUMP POWER CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/WHT WIRE HEAD-UP DISPLAY LIN BUS 1 LIN BUS 2 LIN BUS 4 LOW LEVEL MASS AIRFLOW SENSOR MID/HIGH LEVEL SERIAL DATA CAN BUS (-) STEERING WHEEL AIR BAG COIL STEERING WHEEL RADIO CONTROL SWITCH VIO WIRE VIO/GRN WIRE WHT WIRE YEL WIRE

AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INPUT SPEED SENSOR AUTOMATIC TRANSMISSION OUTPUT SPEED SENSOR AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (-) 2 SERIAL DATA BLK/VIO WIRE BLK/WHT WIRE BLU/YEL WIRE BRN/GRN WIRE BRN/WHT WIRE CANCEL SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE IND CRUISE SWITCH ENGINE WIRING HARNESS JUNCTION BLOCK FORWARD COLLISION WARNING SWITCH GRN/VIO WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HEATED STEERING WHEEL IND HEATED STEERING WHEEL SWITCH HOT AT ALL TIMES INPUT SPD SIG LOGIC NCA WIRE OUTPUT SPD SIG RED/GRN WIRE RED/GRY WIRE RES+ SEATS SYSTEM SET- STEERING WHEEL AIR BAG COIL STEERING WHEEL RADIO CONTROL SWITCH TRANS INPUT SHAFT SPD TRANS INTER SPD SIG TRANS OUTPUT SHAFT SPD TRANSMISSION CONTROL MODULE (TOP OF TRANSMISSION) TRANSMISSIONS SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE

ACCESSORY AC, DC POWER CONTROL MODULE ACCESSORY TIME DELAY CUTOFF RELAY AUDIO AMPLIFIER BLK WIRE BLK/WHT WIRE CRUISE CONTROL SWITCH DATA LINK CONNECTOR FLOOR CONSOLE ACCESSORY FUNCTION SWITCH FORWARD COLLISION ALERT DISPLAY FRONT HEATER, AIR CONDITIONING USER INTERFACE CONTROL HAZARD WARNING SWITCH HEAD-UP DISPLAY HEAD-UP DISPLAY SWITCH HEADLAMP SWITCH HEATED STEERING CONTROL MODULE HEATED STEERING WHEEL MODULE IGNITION MAIN RELAY INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL LIGHT CONDUCTOR INNER LAMP INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT AUTOMATIC TRANSMISSION MANUAL SHIFT AUXILIARY POSITION SWITCH LEFT FRONT FLOOR COURTESY LAMP LEFT INSTRUMENT PANEL LIGHT CONDUCTOR LAMP LOW LEVEL MID/HIGH LEVEL MULTIMEDIA RECEPTACLE PARKING BRAKE CONTROL SWITCH PASSENGER COMPARTMENT AIR FILTER MODULE RADIO RADIO CONTROL RIDE CONTROL SWITCH RIGHT AUTOMATIC TRANSMISSION MANUAL SHIFT AUXILIARY POSITION SWITCH SERIAL DATA GATEWAY MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL HORN CONTACT STEERING WHEEL RADIO CONTROL SWITCH TELEMATIC CONTROL MODULE TURN SIGNAL SWITCH

BATTERY POSITIVE VOLTAGE BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH DAY NIGHT LED CTRL DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT ADJUSTER MEMORY MODULE FLOOR CONSOLE ACCESSORY FUNCTION SWITCH FORWARD COLLISION ALERT DISPLAY FORWARD COLLISION ALERT LED CTRL GRN WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LANE DEPARTURE WARN DISABLE SW SIG LANE DEPARTURE WARN IND CTRL LANE DEPARTURE WARNING IND LANE KEEPING ASSIST IND LANE KEEPING ASSIST SWITCH LEFT FRONT SEAT LANE DEPARTURE WARNING ACTUATOR LOGIC LR SEAT HAPTIC MOVEMENT MOTOR CONTROL NCA WIRE RED WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT SEAT LANE DEPARTURE WARNING ACTUATOR STEERING WHEEL AIR BAG COIL VEHICLE AHEAD IND VIO WIRE VIO/GRN WIRE W/ MEMORY W/O MEMORY WHT WIRE WHT/GRY WIRE WINDSHIELD FRONT VIEW CAMERA YEL WIRE YEL/BRN WIRE

AIR BAG IND BATT POS VOLT BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BRN/BLU WIRE BRN/ORG WIRE BUS (+1) SER DATA BUS (+2) SER DATA COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT BELT SWITCH DRIVER FRONT SEAT BELT BUCKLE ETHERNET BUS 7 (-) GRY/ORG WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC NCA WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/GRY WIRE ORG/VIO WIRE PASSENGER RESTRAINTS OCCUPANT CLASSIFICATION SYSTEM MODULE PASSENGER SEAT BELT SWITCH PASSENGER FRONT SEAT BELT BUCKLE PASSENGER SEAT BELT TENSION SENSOR RED/VIO WIRE RETRACT SW SIG RUN/CRANK IGN 1 VOLTAGE SEAT BELT IND SIG GND STEERING WHEEL AIR BAG STEERING WHEEL AIR BAG COIL SW LOW REF VIO/BLK WIRE VIO/GRN WIRE WHT WIRE WHT/ORG WIRE