Cadillac XT4 I (2018-2023) low speed gmlan serial data Wiring diagrams

AIR QUALITY SENSOR SIGNAL AMBIENT LIGHT/SUNLOAD SENSOR (TOP CENTER OF DASH) BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLOWER MOTOR BLOWER MOTOR SPEED CTRL BLOWER SPEED FEEDBACK SIG BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS ELECTRIC VARIABLE DISPLACEMENT CTRL ELECTRIC VARIABLE DISPLACEMENT SUPPLY ENGINE COOLANT PUMP GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HEADLIGHTS SYSTEM HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HUMIDITY SENSOR SIGNAL HUMIDITY TEMPERATURE SENSOR SIGNAL HUMIDITY/WINDSCREEN TEMP SENSOR LOW REFERENCE HVAC CONTROL MODULE (BEHIND CENTER OF DASH) INSIDE AIR TEMPERATURE SENSOR SIGNAL LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 19 LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 9 LOGIC LOGIC WINDSHIELD TEMPERATURE, INSIDE MOISTURE SENSOR LOW SPEED GMLAN SERIAL DATA REAR DEFOG RELAY CTRL RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/PPL WIRE RED/VIO WIRE RED/WHT WIRE RUN/CRANK IGNITION 1 VOLTAGE SIGNAL GROUND SOLAR SENSOR LOW REFERENCE SPEED CTRL TWILIGHT SENTINEL DELAY SIGNAL UNDERHOOD AUXILIARY FUSE BLOCK UNDERHOOD FUSE BLOCK VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WINDSCREEN TEMP SENSOR SIGNAL YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE

BATT POS VOLT BLK WIRE BLU/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR DRIVER SIDE OBJECT DETECTION INDICATOR GRN WIRE GROUND GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT SIDE OBJECT SENSOR MODULE LH SIDE LED CTRL LOW SPEED GMLAN SERIAL DATA PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER SIDE OBJECT DETECTION INDICATOR POWER SUPPLY TRANSFORMER RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RH SIDE LED CTRL RIGHT SIDE OBJECT SENSOR MODULE SIDE OBJ DETEC CAN SERIAL DATA (-) SIDE OBJECT DETECTION CAN SERIAL DATA (-) SUPPLY VOLTAGE 1 UNDERHOOD FUSE BLOCK WHT WIRE

BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR GRN WIRE GRN/YEL WIRE GRY/GRN WIRE HOT AT ALL TIMES HVAC CONTROL MODULE HVAC CONTROLS INSTRUMENT PANEL FUSE BLOCK LIN BUS 9 LOGIC LOW SPEED GMLAN SERIAL DATA NETWORK SERIAL DATA BUS 9 PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS REAR DEFOG RELAY CONTROL REAR DEFOGGER GRID REAR DEFOGGER IND REAR DEFOGGER RELAY REAR DEFOGGER SWITCH RED/WHT WIRE SIG GND UNDERHOOD FUSE BLOCK

BATT POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/YEL WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DOWN DOWN SW SIG DRIVER SEAT MEMORY CONTROL MODULE DRIVER SEAT MEMORY SWITCH FORWARD SW SIG GRN WIRE GRN/BRN WIRE GRN/WHT WIRE GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LIN SERIAL DATA BUS 8 LOW SPEED GMLAN SERIAL DATA MEM SEAT SW SET SIG MEM SEAT SW SIG (1) MEM SW LOW REF MTR FORWARD CTRL MTR REARWARD CTRL POWER DISTRIBUTION SYSTEM REARWARD SW SIG RED/BLU WIRE RWD SET- STEERING COLUMN POSITION CONTROL MODULE STEERING COLUMN TELESCOPE MOTOR STEERING COLUMN TILT MOTOR STEERING COLUMN TILT, TELESCOPE SWITCH TELESCOPE MTR LOW REF TELESCOPE MTR SIG TILT MTR DOWN CTRL TILT MTR LOW REF TILT MTR SIG TILT MTR UP CTRL UNDERHOOD FUSE BLOCK UP SW SIG VIO/GRY WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE

BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM FT PRK AID DIS CONTROL FT PRK LH CORNER SENS FT PRK LH MID SENS FT PRK RH CORNER SENS FT PRK RH MID SENS GMLAN SERIAL DATA 2 GRN WIRE GRN/BRN WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LED DISABLE SIG LEFT FRONT SIDE PARKING ASSIST SENSOR LEFT MIDDLE FRONT PARKING ASSIST SENSOR LEFT OUTER FRONT PARKING ASSIST SENSOR LF SUPPLEMENTAL OBJ SENS SIG LOW SPEED GMLAN SERIAL DATA LR CON OBJ SENS SIG LR MIDDLE OBJ SENS SIG LR SUPPLEMENTAL OBJECT SENS SIG OBJECT SENS CTRL OBJECT SENS LOW REF PARKING ASSIST CONTROL MODULE POWER SUPPLY TRANSFORMER RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RF SUPPLEMENTAL OBJ SENS SIG RIGHT FRONT SIDE PARKING ASSIST SENSOR RIGHT MIDDLE FRONT PARKING ASSIST SENSOR RIGHT OUTER FRONT PARKING ASSIST SENSOR RR CORNER OBJ SENS SIG RR MIDDLE OBJ SENS SIG RR SUPPLEMENTAL OBJECT SENS SIG SENS LOW REF SERIAL DATA COMMUNICATION ENABLE SUPPLY VOLTAGE 1 UNDERHOOD FUSE BLOCK VIO/GRY WIRE VIO/WHT WIRE W/O INTEGRATED BRAKE ASSIST WHT WIRE WHT/BLU WIRE WHT/GRY WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

1-2, 3-4, 5-6, 7-8, 21-22, 23-24) AIR BAG IND AUTOMATIC LOCKING RETRACTOR SW LOW REF AUTOMATIC LOCKING RETRACTOR SW SIG BATT POSITIVE VOLT BLK WIRE BLU WIRE BLU/ORG WIRE BLU/YEL WIRE BRN/ORG WIRE COMPUTER DATA COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY DRV KNEE MOD HI CTRL DRV KNEE MOD LO CTRL GRN WIRE GROUND GRY/GRN WIRE GRY/ORG WIRE HI SPEED GMLAN SERIAL DATA (+) (2) HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER CENTER FLOOR CONSOLE) INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LINES SYSTEM LO SPD GMLAN SERIAL DATA LO SPEED GMLAN SERIAL DATA 2 LOGIC LOW SPEED GMLAN SERIAL DATA ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE ORG/WHT WIRE PASS AIR BAG OFF INDICATOR CTRL PASS AIR BAG ON INDICATOR CTRL PASS IP MOD DISABLE SW LO REF PASS IP MOD DISABLE SW SIG PASS IP MOD STAGE 1 HI CTRL PASS IP MOD STAGE 1 LO CTRL PASS IP MOD STAGE 2 HI CTRL PASS IP MOD STAGE 2 LO CTRL PASS KNEE MOD HI CTRL PASS KNEE MOD LO CTRL PASS SEAT BELT INDICATOR CTRL PASSENGER AIR BAG DISABLE SWITCH PASSENGER INSTRUMENT PANEL AIR BAG PASSENGER KNEE AIR BAG PASSENGER PRESENCE MODULE RED/BRN WIRE SEAT BELT IND SEAT BELT IND 2 SERIAL DATA COMMUNICATION ENABLE SHORTING BAR SIG GROUND STEERING WHEEL AIR BAG STEERING WHEEL AIR BAG COIL STEERING WHEEL MOD STAGE 1 HI CTRL STEERING WHEEL MOD STAGE 1 LO CTRL STEERING WHEEL MOD STAGE 2 HI CTRL STEERING WHEEL MOD STAGE 2 LO CTRL VIO/ORG WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/ORG WIRE YEL/ORG WIRE