Buick Envision I (2016-2018) body control module Wiring diagrams

BACKUP LAMP CTRL BATT POS VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE CAMERA LOW REFERENCE CAMERA SIGNAL 2 COMPUTER DATA LINES SYSTEM DC DC TRANS FUSE DEVICE 2 SWITCHED VOLT GRILLE FRONT VIEW CAMERA GRN/WHT WIRE GRN/YEL WIRE GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES HUMAN MACHINE INTERFACE CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK LEFT SIDE VIEW CAMERA (AT LEFT OUTSIDE REAR VIEW MIRROR) LOW SPEED GMLAN SERIAL DATA LT BLU WIRE NCA WIRE ORG/ WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR VIEW CAMERA RED WIRE RED/BLU WIRE RED/GRN WIRE RIGHT SIDE VIEW CAMERA (AT RIGHT OUTSIDE REAR VIEW MIRROR) SIGNAL GROUND SUPPLY VOLTAGE 2 TCM FUSE UNDERHOOD FUSE BLOCK VIDEO PROCESSING CONTROL MODULE VIO/GRY WIRE WHT WIRE WHT/BLU WIRE YEL WIRE

ABS IND. BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE BOOSTER VACUUM SENSOR BRAKE FLUID LEVEL SWITCH BRAKE IND BRAKE PEDAL POSITION SENSOR BRAKE POSITION SENS SIG BRAKE POSITION BRAKE VACUUM BRAKE VACUUM SENS SIG BRN WIRE CENTER CONSOLE MULTI-FUNCTION SWITCH COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ECS IND ECS OFF ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM GRN/BLK WIRE GRN/GRY WIRE GRY/RED WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (+) (1) IND INSTRUMENT CLUSTER LOGIC NCA WIRE PARK BRAKE SWITCH RIGHT REAR WHEEL SPEED SENSOR SIG GND TCS OFF TRACTION CONTROL SWITCH TRACTION CTRL SW SIG 1 BRAKE APPLY SENS SIG UNDERHOOD FUSE BLOCK VIO WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE

AJAR SW SIG BATT POS VOLT BCM 6 FUSE BLK WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM COURTESY LP SW SIG DC/DC TRANS FUSE DOME LAMP SWITCH DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT ILLUMINATION CIRCUIT INSTRUMENT PANEL COMPARTMENT LAMP INSTRUMENT PANEL COMPARTMENT LAMP SWITCH INTR LP CTRL INADVERTENT PWR CTRL INTR LP DEFEAT SW SIG LED AMBIENT LIGHTING CTRL 1 LOGIC NETWORK BUS 3 NETWORK BUS 4 OFF POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR BODY FUSE BLOCK REAR COMPARTMENT COURTESY LAMP REAR COMPT LID LP CTRL RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE SUPPLY VOLT UNDERHOOD FUSE BLOCK VIO WIRE WHT/BRN WIRE WHT/YEL WIRE YEL WIRE

ACCESSORY IGN VOLT ACTIVE SIG ACTUATOR CTRL ACTUATOR LO REF BATT POS VOLT BCM 7 FUSE BLK WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE BRN WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHILD SECURITY LOCK DISABLE RELAY COMPUTER DATA LINES SYSTEM DOOR LOCK CTRL DOOR LOCK CTRL 2 DR AJAR SW SIG DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HOOD STATUS B SIG HORN RELAY CTRL HORNS SYSTEM HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL FUSE BLOCK RELAY ASSEMBLY LF DR AJAR SW SIG LIGHTING CTRL SW SIG LOCK MTR STATUS SIG LR LOCK MTR STATUS SIG RR LOCK RELAY CTRL LOCK SIG LOGIC LOGIC PASSENGER WINDOW SWITCH MOTOR STATUS SIG NETWORK BUS 3 PASS DOOR LOCK/ PASSENGER DOOR LATCH ASSEMBLY RECEIVE SIG RED WIRE RED/BRN WIRE RED/GRY WIRE RR LICENSE LP CTRL RUN/CRANK IGN 1 VOLT SENS SIG SERIAL DATA (-) (1) SW UNLOCK CTRL TRANSMIT SIG UNLOCK CTRL UNLOCK SIG VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/VIO WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/VIO WIRE

ACTIVE SAFETY CONTROL MODULE BATT POS VOLT BCM 6 FUSE BLK WIRE BODY CONTROL MODULE CENTER CONSOLE MULTI-FUNCTION SWITCH CLOCK COMPUTER DATA LINES SYSTEM DC/DC TRANS FUSE DRIVER DOOR LOCK SWITCH DRIVER SEAT MEMORY SWITCH DRIVER WINDOW SWITCH GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY/GRN WIRE GRY/YEL WIRE HAZARD WARNING SWITCH HDLP OFF SIG CTRL HDLP SW ON SIG HEAD-UP DISPLAY SWITCH HOT AT ALL TIMES IGNITION MODE SWITCH IND DIMMING CTRL HAZARD LED DIMMING SIG INFOTAINMENT FACEPLATE CONTROL MODULE INSTRUMENT PANEL MULTI- FUNCTION SWITCH INTERIOR LIFTGATE CONTROL SWITCH LANE DEPARTURE WARNING LIGHT IND LED BACKLIGHT DIMMING CTRL LED DISABLE SIG LEFT REAR WINDOW SWITCH LIGHTING CTRL SW REF LIGHTING CTRL SW SIG LO SPD GMLAN SERIAL DATA LOGIC LOGIC LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 3 LOGIC LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 4 NETWORK BUS 3 NETWORK BUS 4 OUTSIDE REAR VIEW MIRROR SWITCH PARK ASSIST IND PARK BRAKE SWITCH PARK LP SIG PARKING ASSIST CONTROL MODULE PASSENGER DOOR LOCK SWITCH POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR BODY FUSE BLOCK RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE SUPPLY VOLT UNDERHOOD FUSE BLOCK W/ FORWARD COLLISION SYSTEM W/ MEMORY W/O FORWARD COLLISION SYSTEM W/O MEMORY WARNING IND CTRL WHT WIRE WHT/BRN WIRE WHT/VIO WIRE WINDSHIELD FRONT VIEW CAMERA YEL WIRE

ALERT LED CTRL BATT POS VOLT BCM 6 FUSE BLK WIRE BLU WIRE BODY CONTROL MODULE COLLISION ALERT INDICATORS COMM ENABLE COMPUTER DATA LINES SYSTEM DC DC TRANS FUSE DIMMING CTRL DRIVER INFORMATION CONTROL DISPLAY FRONT VIEW CAMERA WINDSHIELD GAP UP/DOWN SWITCH GRN WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 2 ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INDICATOR DIMMING CONTROL INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LANE DEPARTURE WARNING DISABLE LANE DEPARTURE WARNING DISABLE SWITCH LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING IND CTRL LEFT STEERING WHEEL CONTROLS SWITCH LO SPD GMLAN LOGIC LOGIC INSTRUMENT CLUSTER POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER PRK ASSIST FUSE REAR BODY FUSE BLOCK RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE STEERING WHEEL AIR BAG COIL SW SIG UNDERHOOD FUSE BLOCK UP/DOWN SW SIG VAR/ FUNC FUSE VIO/GRN WIRE VOLT REF W/O HEADUP DISPLAY WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE

BATT POS VOLT BATT POSITIVE VOLT BCM 1 FUSE BLK WIRE BODY CONTROL MODULE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DISPLY FUSE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE GM LAN SERIAL DATA GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE HOOD HOOD AJAR SWITCH HOOD STATUS B SIG HOT W/ BATTERY SAVER RELAY 1 ENERGIZED IMMOBILIZER CONTROL MODULE IMMOBILIZER CTRL IMMOBILIZER LO REF INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LOGIC NCA WIRE RED/GRY WIRE RED/YEL WIRE SERIAL DATA BUS 11 SW SIG YEL WIRE

ACCESSORY IGN VOLT ACTIVE SIG ACTUATOR CTRL ACTUATOR LO REF BATT POS VOLT BCM 7 FUSE BLK WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE BRN WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHILD SECURITY LOCK DISABLE RELAY COMPUTER DATA LINES SYSTEM DOOR LOCK CTRL DOOR LOCK CTRL 2 DR AJAR SW SIG DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HOOD STATUS B SIG HORN RELAY CTRL HORNS SYSTEM HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL FUSE BLOCK RELAY ASSEMBLY LF DR AJAR SW SIG LIGHTING CTRL SW SIG LOCK MTR STATUS SIG LR LOCK MTR STATUS SIG RR LOCK RELAY CTRL LOCK SIG LOGIC LOGIC PASSENGER WINDOW SWITCH MOTOR STATUS SIG NETWORK BUS 3 PASS DOOR LOCK/ PASSENGER DOOR LATCH ASSEMBLY RECEIVE SIG RED WIRE RED/BRN WIRE RED/GRY WIRE RR LICENSE LP CTRL RUN/CRANK IGN 1 VOLT SENS SIG SERIAL DATA (-) (1) SW UNLOCK CTRL TRANSMIT SIG UNLOCK CTRL UNLOCK SIG VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/VIO WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/VIO WIRE

AUTO OFF BATT POS VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BODY CONTROL MODULE BRK FLUID LVL SENS SIG BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR ELECTRONIC BRAKE CONTROL MODULE (RIGHT OF LEFT STRUT TOWER) GMLAN SERIAL DATA - 1 GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HEAD HEADLAMP SW ON SIG GMLAN SERIAL DATA (-) 1 HEADLAMP SWITCH LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LF DOOR AJAR SW SIG LOGIC LR DOOR AJAR SW SIG NETWORK BUS 3 NETWORK BUS 4 PARK PARK BRAKE SWITCH PARK BRK APPLY SW SIG PARK BRK APPLY SW VOLT REF PARK BRK RELEASE SW SIG PARK BRK SW SIG PARK BRK SW SPLY VOLT PARK LAMP SIG PARK RELEASE SW VOLT REF PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW SWITCH RED/GRN WIRE RF DOOR AJAR SW SIG RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DOOR AJAR SW SIG SIG CTRL WHT WIRE WHT/VIO WIRE YEL WIRE YEL/RED WIRE

B+ VOLT BATT POS VOLT BCM 6 FUSE BLK WIRE BLK/GRY WIRE BLU WIRE BODY CONTROL MODULE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DAT BUS 1 DC/DC TRANS FUSE DRIVER INFORMATION CENTER DISPLAY FRT WPR FUSE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES IND CTRL INSTRUMENT CLUSTER LOGIC MTR PARK SW SIG N/W SER N/W SER BUS 12 NCA WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER RAIN SENSOR MODULE REAR BODY FUSE BLOCK REAR WIPER SW SIG RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RLY COIL CTRL RLY CTRL SW HIGH SIG UNDERHOOD FUSE BLOCK VIO WIRE WASHER SW SIG WHT WIRE WHT/BLK WIRE WHT/VIO WIRE WINDSHIELD WIPER MOTOR WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WIPER SW HIGH SIG WIPER SW LO SIG WIPER SW LOW REF YEL WIRE YEL/BLU WIRE YEL/BRN WIRE