Buick LaCrosse III (2016-2019) body control module Wiring diagrams

BATT POS BATT POS VOLT BLK WIRE BODY CONTROL MODULE BRN WIRE CENTER CONSOLE COMPARTMENT LAMP COMPUTER DATA LINES SYSTEM COURTESY LP SW SIG INADVERTENT PWR CTRL DEFEAT SW SIG INTERIOR LAMP CTRL DC DC BATT 2/AWD FUSE DK BLU WIRE DRIVER DOOR ACCENT LAMP DRIVER DOOR HANDLE FLOOD LAMP DRIVER DOOR PULL HANDLE FLOOD LAMP FUSE 10 FUSE 18 FUSE 5 GRN/GRY WIRE GRY WIRE GRY/BRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL COMPARTMENT LAMP INSTRUMENT PANEL FUSE BLOCK LED AMBIENT LIGHTING CTRL 1 LID LAMP CTRL NCA WIRE PASSENGER DOOR ACCENT LAMP PASSENGER DOOR HANDLE FLOOD LAMP PASSENGER DOOR PULL HANDLE FLOOD LAMP POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR COMPARTMENT COURTESY LAMP RED/DK BLU WIRE RED/DK GRN WIRE RED/GRY WIRE RED/YEL WIRE REGULATED SERIAL DATA (-) (1) SPLY VOLT 2 UNDERHOOD FUSE BLOCK VOLT W/ STOP/ START SYSTEM W/ STOP/START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BRN WIRE WHT/YEL WIRE

BLK WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE GRN WIRE GRY WIRE HORN FUSE HORN RELAY HORN RELAY CONTROL HORN SWITCH HORN SWITCH SIGNAL HOT AT ALL TIMES LEFT HORN RED WIRE RIGHT HORN STEERING WHEEL AIR BAG COIL UNDERHOOD FUSE BLOCK WHT WIRE

BACKLIGHT DIMMING CTRL BATT POS VOLT DOME LAMP OFF INDICATOR CTRL BLK WIRE BLK/DK BLU WIRE BLK/YEL WIRE BLU/GRY WIRE BODY CONTROL MODULE CIGARETTE LIGHTER RECEPTACLE COMPUTER DATA LINES SYSTEM DIMMER SW LOW REF DIMMER SW SIG DIMMING CTRL DK BLU/RED WIRE DK GRN/GRY WIRE DRIVER DOOR LOCK SWITCH DRIVER SEAT MEMORY SWITCH FUSE 22 GND LOCAL INTERCONNECT NETWORK DATA BUS 4 GRY WIRE HEAD-UP DISPLAY SWITCH HOT AT ALL TIMES IGNITION MODE SWITCH INFOTAINMENT CONTROL TOUCHPAD INSTRUMENT PANEL FUSE BLOCK INTERIOR REAR COMPARTMENT LID UNLATCH SWITCH LED BACKLIGHT DIMMING CTRL LED DIMMING SIG LOGIC LOW REF PARK BRAKE CONTROL SWITCH PASSENGER DOOR LOCK SWITCH PASSENGER WINDOW SWITCH RED/WHT WIRE SEAT MEMORY CONTROL MODULE STOP/ START SELECT SWITCH W/ EXPRESS UP/DOWN POWER OPERATED WINDOW W/ MEMORY W/ MEMORY W/O MEMORY W/O MEMORY W/ MEMORY WHT WIRE YEL WIRE YEL/GRY WIRE

ACTIVE SAFETY CONTROL MODULE BATT POS VOLT BLK WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/VIO WIRE DRIVER INFORMATION CONTROL DISPLAY FRONT OBJECT SENSOR CONTROL 2 FRONT VIEW CAMERA (TOP CENTER OF WINDSHIELD) FUSE 40 GMLAN SERIAL DATA (-) 8 GMLAN SERIAL DATA - 1 GROUND GRY WIRE GRY/LT GRN WIRE GRY/VIO WIRE HI SPD GMLAN SERIAL DATA (+) 4 HI SPD GMLAN SERIAL DATA (-) 4 LANE DEPARTURE WARNING DISABLE SW SIG HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LANE DEPARTURE WARNING DISABLE SWITCH LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING IND CTRL LO SPD GMLAN SERIAL DATA 2 LOGIC INSTRUMENT CLUSTER LONG RANGE RADAR SENSOR MODULE LOW SPEED GMLAN LT GRN WIRE RED/DK GRN WIRE WHT WIRE

BATT POS VOLT BLK WIRE BLU/GRY WIRE BODY CONTROL MODULE COLLISION ALERT INDICATORS COLLISION ALERT SWITCH COMM ENABLE COMPUTER DATA LINES SYSTEM DK BLU WIRE FRONT VIEW CAMERA FUSE 40 GMLAN SERIAL DATA (-) 8 GROUND GRY WIRE GRY/GRN WIRE GRY/LT GRN WIRE GRY/WHT WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH IP BODY IGN FUSE LANE DEPARTURE WARNING DISABLE LANE DEPARTURE WARNING DISABLE SWITCH LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING IND CTRL LEFT STEERING WHEEL CONTROLS SWITCH LO SPEED GMLAN SERIAL DATA 2 LOGIC LOW SPEED GMLAN LT GRN WIRE RED WIRE RED/DK GRN WIRE STEERING WHEEL AIR BAG COIL SW REF SW SIG UNDERHOOD FUSE BLOCK UP/DOWN SW SIG VIO/GRY WIRE WHT WIRE WHT/DK BLU WIRE WHT/GRY WIRE

BATTERY POS VOLT BLK WIRE BLK/DK BLU WIRE BLK/GRY WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CTRL DATA 1 (+) DK BLU WIRE DK BLU/YEL WIRE DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY FRONT PARKING AID DISPLAY CTRL FRONT PARKING LEFT CORNER SENS FRONT PARKING LEFT MID SENS FRONT PARKING RIGHT CORNER SENS FRONT PARKING RIGHT MID SENS FUSE 40 GROUND GRY WIRE GRY/LT GRN WIRE HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES IND DIM INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LEFT FRONT SIDE PARKING ASSIST SENSOR LEFT MIDDLE FRONT PARKING ASSIST SENSOR LEFT MIDDLE REAR PARKING ASSIST SENSOR LEFT OUTER FRONT PARKING ASSIST SENSOR LEFT OUTER REAR PARKING ASSIST SENSOR LEFT REAR SIDE PARKING ASSIST SENSOR LF SUPPLEMENTAL OBJECT SENS SIG LOGIC LOW REFERENCE LOW SPD GMLAN SERIAL DATA LOW SPD GMLAN SERIAL DATA 2 LR CORNER OBJECT SENS SIG LR MIDDLE OBJECT SENS SIG LR SUPPLEMENTAL OBJECT SENS SIG LT GRN WIRE OBJECT SENS CTRL PARALLEL PARKING ASSIST DISABLE SWITCH PARK ASSIST DISABLE SWITCH PARKING ASSIST CONTROL MODULE PARKING ASSIST IND PARKING ASSIST DISABLE SWITCH REAR PARK ASSIST DISABLE SIGNAL REAR PARK ASSIST LED DISABLE SIG RED WIRE RED/DK GRN WIRE RF SUPPLEMENTAL OBJECT SENS SIG RIGHT FRONT SIDE PARKING ASSIST SENSOR RIGHT MIDDLE FRONT PARKING ASSIST SENSOR RIGHT MIDDLE REAR PARKING ASSIST SENSOR RIGHT OUTER FRONT PARKING ASSIST SENSOR RIGHT OUTER REAR PARKING ASSIST SENSOR RIGHT REAR SIDE PARKING ASSIST SENSOR RR CORNER OBJECT SENS SIG RR MIDDLE OBJECT SENS SIG RR SUPPLEMENTAL OBJECT SENS SIG SERIAL SERIAL DATA COMMUNICATION ENABLE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/DK BLU WIRE WHT/GRY WIRE YEL WIRE YEL/DK BLU WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

AJAR SW SIG 1 B+ VOLT BLK WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/YEL WIRE DRIVER INFORMATION CENTER DISPLAY EXTERIOR REAR COMPARTMENT LID UNLATCH SWITCH FUSE 41 20 GRY/LT GRN WIRE GRY/YEL WIRE HANDLE SW OPEN SIG HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK INTERIOR REAR COMPARTMENT LID UNLATCH SWITCH INTERIOR RELEASE SIG LOGIC LOW SPD GMLAN SERIAL DATA 2 LOW SPEED GMLAN SERIAL DATA (+) 1 MTR RELEASE CTRL REAR CLOSR FUSE REAR COMPARTMENT LID LATCH REAR COMPARTMENT LID UNLATCH RELAY RED/BRN WIRE UNDERHOOD FUSE BLOCK VIO/DK BLU WIRE VIO/GRY WIRE W/ STOP/START SYSTEM W/O STOP/START SYSTEM WHT WIRE YEL WIRE YEL/DK BLU WIRE