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

ACTUATOR LOW REF AMBIENT LIGHT SENS SIG ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES, CRUISE CONTROL, EXTERIOR LIGHTS SYSTEMS ANTI-THEFT SYSTEM BATT POS VOLT BCM 1 FUSE BCM 2 FUSE BCM 3 FUSE BCM 4 FUSE BCM 6 FUSE BCM 7 FUSE BCM 8 FUSE BLK WIRE BLK/BRN WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRAKE APPLY SENS CTRL BRK APPLY SENS SIG BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC/BRAKE SIG DOOR LOCKS SYSTEM FOG LAMP RLY CTRL FUSE 1 GMLAN SERIAL DATA GMLAN SERIAL DATA (+) 1 RECEIVE SIG GMLAN SERIAL DATA - 1 GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE GRY/YEL WIRE HAZARD LED DIMMING SIG HAZARD SW SIG HDLP HI BEAM RLY CTRL HDLP LOW BEAM RLY CTRL HDLP OFF SIG CTRL HDLP SW ON SIG HDLP SW PARK LP SIG HEADLIGHTS SYSTEM HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES IGN MODE SW ACC LED SIG IGN MODE SW START LED SIG IGN MODE SW VOLT IND DIMMING CTRL INSTRUMENT PANEL FUSE BLOCK LED BACKLIGHT DIMMING CTRL LF TURN SIG LP CTRL LIGHTING CTRL SW SIG LOCK SIG LR TURN SIG LP CTRL NETWORK BUS 4 PARK LP RLY CTRL POWER SUPPLY TRANSFORMER (LOWER CENTER OF INSTRUMENT PANEL) REAR BODY FUSE BLOCK REAR WIPER SW SIG RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RLY CTRL RR STOP LP CTRL SEATS SYSTEM SECURITY INDICATOR CTRL SENS LOW REF SERIAL DATA (+) 1 ACTUATOR CTRL SERIAL DATA (-) (1) STEERING WHEEL HEATER RLY SW HIGH SIG TAP UP/TAP DN SW SIG TRACTION CTRL SW SIG (1) UNLOCK SIG TRANSMISSIONS SYSTEM TRANSMIT SIG UNDERHOOD FUSE BLOCK VIO/BRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/VIO WIRE WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM HEADLIGHTS SYSTEM YEL WIRE YEL/GRN WIRE

ACC IND ACCESSORY IGN VOLT ACTIVE SIG ANTI-THEFT SYSTEM BACKUP LP CTRL BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COIL CTRL COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM COURTESY LP SW SIG CRUISE CONTROL SYSTEM CRUISE CTRL GAP UP DN SW SIG CRUISE CTRL SW SIG DIMMING CTRL DOOR LOCKS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS DR LCK CTRL DR LCK CTRL CTRL (2) GND EXTERIOR LIGHTS, NAVIGATION SYSTEMS GMLAN SERIAL DATA GMLAN SERIAL DATA - 1 GRN 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/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE HAZARD SW LH TURN SIG HAZARD SW RH TURN SIG HDLP SW FLASH TO PASS SIG HEADLIGHTS SYSTEM HEADLIGHTS, CRUISE CONTROL, INTERIOR LIGHTS SYSTEMS HI IDLE SW CTRL HOOD STATUS B SIG HORN SW SIG HORNS SYSTEM IGNITION MODE SWITCH IMMOBILIZER CTRL IMMOBILIZER LOW REF INADVERTENT PWR CTRL INTR LP CTRL INTR LP DEFEAT SW SIG KEY CAPTURE/COLUMN POS SIG LCK MTR STATUS SIG LR LCK MTR STATUS SIG RR LCK RLY CTRL LED AMBIENT LIGHTING CTRL 1 LH HDLP LO BEAM CTRL LH PARK LP CTRL LICENSE LP CTRL LIGHTING CTRL SWITCH REF LOW REF LR STOP LP CTRL LR TURN SIG LP CTRL MTR PARK SW SIG NETWORK BUS 1 NETWORK BUS 2 NETWORK BUS 3 PARK LCK SOL CTRL PASS DOOR LOCK/ PASSIVE START SWITCH POWER DISTRIBUTION SYSTEM REAR COMPT LID LP CTRL RF TURN SIG LP CTRL RH HDLP LO BEAM CTRL RH PARK LP CTRL RLY CLOSE CTRL RLY COIL CTRL RLY CTRL RLY OPEN CTRL RR TURN SIG CTRL RR TURN SIG LP CTRL RUN/CRANK IGN 1 VOLT SERIAL DATA BUS 11 SHIFT INTERLOCK, TRANSMISSIONS SYSTEMS START IND SW UNLOCK CTRL TRANSMISSIONS SYSTEM UNLCK CTRL VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WAKE UP SERIAL DATA WASHER SW SIG WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE WIPER SW HI SIG WIPER SW LOW SIG WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/VIO WIRE

BACKUP LP CTRL BLK WIRE BLK/YEL WIRE BODY CONTROL MODULE DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR GRN/WHT WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED INSIDE REAR VIEW MIRROR ISRVM FUSE LOGIC MIRROR DIMMING MIRROR LOW REF MIRROR SIG RED/BRN WIRE RUN/CRANK IGN 1 VOLT UNDERHOOD FUSE BLOCK VIO/GRY WIRE YEL/WHT WIRE

BLK WIRE BLOWER MOTOR BODY CONTROL MODULE BRAKE FLUID LEVEL SWITCH DRIVER DOOR COURTESY LAMP DRIVER DOOR HANDLE ACCENT LAMP DRIVER DOOR HANDLE FLOOD LAMP DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR LOCK SWITCH DRIVER DOOR POCKET FLOOD LAMP DRIVER EXTERIOR DOOR HANDLE ASSEMBLY DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR DRIVER SEAT MEMORY SWITCH DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH INSIDE REAR VIEW MIRROR INTERIOR LIFTGATE CONTROL SWITCH LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR EXTERIOR DOOR HANDLE ASSEMBLY LEFT REAR WINDOW SWITCH LEFT TURN SIGNAL REPEATER LAMP MIRROR CONTROL MODULE NCA WIRE OUTSIDE REAR VIEW MIRROR SWITCH RAIN SENSOR MODULE SUNROOF CONTROL MODULE SUNROOF SUNSHADE MOTOR MODULE UNDERHOOD FUSE BLOCK W/ FORWARD COLLISION ALERT W/ MEMORY W/O MEMORY W/O OBSTACLE DETECTION ENHANCED SIDE ACTIVE SAFETY WINDSHIELD FRONT VIEW CAMERA WINDSHIELD WIPER RELAY

AUXILIARY BLOWER MOTOR AUXILIARY HEATER COOLANT PUMP AUXILIARY HVAC CONTROL MODULE BLK WIRE BODY CONTROL MODULE CENTER CONSOLE ACCESSORY POWER RECEPTACLE CENTER CONSOLE CUPHOLDER ACCENT LAMP CENTER CONSOLE MULTI-FUNCTION SWITCH CENTER CONSOLE REAR ACCESSORY POWER RECEPTACLE ENGINE OIL LEVEL SWITCH FRONT ACCESSORY POWER RECEPTACLE HAZARD WARNING SWITCH IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 INSTRUMENT PANEL ACCENT LAMP INSTRUMENT PANEL COMPARTMENT LAMP LEFT INSTRUMENT PANEL ACCENT LAMP LEFT INSTRUMENT PANEL COURTESY LAMP PARK BRAKE SWITCH RIGHT INSTRUMENT PANEL ACCENT LAMP RIGHT INSTRUMENT PANEL COURTESY LAMP STARTER PINION SOLENOID ACTUATOR RELAY TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LEVER POSITION INDICATOR UNDERHOOD FUSE BLOCK

BATTERY FUSE BLOCK BLK WIRE BLU WIRE BODY CONTROL MODULE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 4 HEATED STEERING WHEEL IND HEATED STEERING WHEEL SWITCH HIGH CTRL HIGH SPD GMLAN SER DATA (-) 1 HOT AT ALL TIMES HTD/STR/ WHL FUSE INDICATOR DIMMING CTRL 2 LEFT STEERING WHEEL CONTROLS SWITCH LOGIC REAR BODY FUSE BLOCK RED/GRN WIRE RIGHT STEERING WHEEL CONTROLS SWITCH RUN IGN 3 RUN IGNITION 3 VOLTAGE SENS SIG STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATER STEERING WHEEL HEATER RELAY STEERING WHEEL HEATING CONTROL MODULE SW LED CTRL SW SIG VIO/BLU WIRE VIO/BRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/YEL WIRE YEL WIRE

BATTERY FUSE BLOCK BLK WIRE BODY CONTROL MODULE BRN/GRY WIRE BRN/WHT WIRE FUSE 5 GRN WIRE GRN/WHT WIRE HIGH NOTE HORN HORN FUSE HORN RELAY HORN RLY CTRL HORN SW SIG HORN SWITCH HOT AT ALL TIMES LOW NOTE HORN NCA WIRE RED/YEL WIRE STEERING WHEEL AIR BAG COIL UNDERHOOD FUSE BLOCK WHT WIRE

BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE BRAKE/ BRN/GRN WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM FUEL LEVEL SENSOR FUEL PUMP, LEVEL SENSOR ASSEMBLY GMLAN SERIAL DATA - 1 GRN/BLU WIRE GRY/GRN WIRE KEYLESS ENTRY CONTROL MODULE LOGIC OIL LVL SW SIG OIL PRESS SENS LOW REF OIL PRESS SENS SIG POWER DISTRIBUTION SYSTEM PRESS SENS 5 VOLT REF PRIMARY FUEL LVL SENS SIG RAP RELAY 2 COIL CTRL RED/GRN WIRE SEC FUEL LVL SENS SIG SECONDARY FUEL LEVEL SENSOR SENS SIG SERIAL DATA (-) (1) SERIAL DATA BUS 2 SIG GND TRANSMISSION SHIFT LEVER POSITION INDICATOR VIO WIRE WHT WIRE WHT/RED WIRE YEL/BRN WIRE

2.0L TURBO 2.5L 2.0L TURBO A/C COMPRESSOR CLUTCH RELAY ACC IND ACC LED SIG ACCESSORY IGN VOLT ACCESSORY VOLT BLK WIRE BLK/GRY WIRE BLU/BLK WIRE BLU/GRN WIRE BODY CONTROL MODULE BRN/BLK WIRE ENGINE CONTROL MODULE ENGINE OIL PRESSURE CONTROL SOLENOID VALVE EVAPORATIVE EMISSION PURGE SOLENOID VALVE GRN/BLK WIRE GRY/GRN WIRE HEATED OXYGEN SENSOR 1 IGN 1 VOLT IGN MODE SW IGNITION MODE SWITCH ILLU IND KEYLESS ENTRY CONTROL MODULE NCA WIRE NON/WALK FUSE PASSIVE START SW SIG 2 PASSIVE START SW SIG 2 LOW REFERENCE PASSIVE START SWITCH RAP RELAY 2 COIL CONTROL RUN/CRANK RUN/CRANK IGN 1 VOLT START IND START LED SIG STARTER RELAY TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 9 OF 9) TRANSMISSION SHIFT LEVER POSITION INDICATOR TURBOCHARGER BYPASS SOLENOID VALVE TURBOCHARGER WASTEGATE SOLENOID VALVE UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/YEL WIRE VOLT YEL WIRE

AUTOMATIC TRANSMISSION ASSEMBLY BATTERY POSITIVE VOLT BCM 2 FUSE BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU 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 LOW REF BRK POS SENS SIG COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ENGINE CONTROL MODULE FUSE 1 HI SPD GMLAN SERIAL DATA (-) (1) HI SPEED GMLAN SERIAL DATA (-) 1 HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK KEY CAPTURE/COLUMN LOCK SHIFT POS SIG PARK LOCK SOL CTRL PARK POSITION SWITCH POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE TRANS PARK/NEUTRAL SIG 1 TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR UNDERHOOD FUSE BLOCK VIO/BLK WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE