Cadillac XT4 I (2018-2023) grn/brn Wiring diagrams

ACTIVE SAFETY CONTROL MODULE (CARGO AREA, FRONT OF LEFT REAR WHEELWELL) BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FRONT OBJECT SENS CTRL 1 FRONT OBJECT SENS CTRL 2 GRN WIRE GRN/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE HI SPD GMLAN SERIAL DATA (+) 4 HI SPD GMLAN SERIAL DATA (+) 8 HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LANE DEPARTURE WARNING DISABLE SW SIG LANE DEPARTURE WARNING IND CTRL LANE KEEPING ASSIST IND LANE KEEPING ASSIST SWITCH LEFT FRONT SHORT RANGE RADAR SENSOR MODULE LOGIC LONG RANGE RADAR SENSOR MODULE (BEHIND LEFT CENTER OF FRONT FASCIA) LOW SPD GMLAN SERIAL DATA PARKING ASSIST IND PARKING ASSIST SWITCH REAR PARK ASSIST LED DISABLE SIG REAR SHORT RANGE RADAR SENSOR MODULE RED/GRN WIRE RIGHT FRONT SHORT RANGE RADAR SENSOR MODULE RR PARK ASSIST DISABLE SIG SERIAL DATA COMM ENABLE SIG GND WHT WIRE WHT/BLU WIRE WHT/GRY WIRE

BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE CAN BUS HIGH 3 SERIAL DATA CAN BUS HIGH SERIAL DATA CAN BUS LOW SERIAL DATA DRIVER SEAT MEMORY CONTROL MODULE GRN WIRE GRN/BRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/GRN WIRE HANDS-FREE LIFTGATE SENSOR CONTROL MODULE HEADLAMP CONTROL MODULE HI SPD GMLAN SER DATA (-) 8 HI SPD GMLAN SERIAL DATA (+) 4 HI SPD GMLAN SERIAL DATA (+) 8 HI SPD GMLAN SERIAL DATA (+) 9 HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) KEYLESS ENTRY CONTROL MODULE LIFTGATE CONTROL MODULE LO SPD GMLAN LOCAL INTERCONNECT NETWORK BUS 13 NETWORK BUS 16 NETWORK BUS 8 NETWORK SERIAL BUS 18 NETWORK SERIAL DATA 16 NETWORK SERIAL DATA 18 PASSENGER PRESENCE MODULE PASSENGER SEAT BOLSTER MEMORY CONTROL MODULE PASSENGER SEAT MASSAGE SWITCH PASSENGER SEAT MEMORY CONTROL MODULE RUN/CRANK IGNITION 1 VOLTAGE SERIAL DATA SERIAL DATA COMM ENABLE SERIAL DATA COMMUNICATION ENABLE SERIAL DATA GATEWAY MODULE (LOWER LEFT SIDE OF DASH) VIO/GRY WIRE W/ MEMORY WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE

ACCESSORY WAKEUP ACTIVE SAFETY CONTROL MODULE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRN/VIO WIRE COMMUNICATION ENABLE FRONT OBJECT GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/GRN WIRE GRY/VIO WIRE HI SPD GMLAN HI SPEED GMLAN LO SPD GMLAN LOCAL INTERCONNECT NETWORK SERIAL BUS 1 NETWORK SERIAL BUS 15 NETWORK SERIAL BUS 2 NETWORK SERIAL BUS 3 NETWORK SERIAL BUS 4 REAR SHORT RANGE RADAR SENSOR MODULE SENSOR CONTROL 1 SENSOR CONTROL 2 SERIAL DATA SERIAL DATA (+) 8 SERIAL DATA (-) (1) SERIAL DATA (-) 4 SERIAL DATA 2 VIO/YEL WIRE W/ INTEGRATED BRAKE ASSIST W/O INTEGRATED BRAKE ASSIST WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE

BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/YEL WIRE BRN WIRE CONTENT THEFT DETERRENT SENSOR MODULE FRONT SEAT HEATING CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE HEAD-UP DISPLAY (IF EQUIPPED) INSTRUMENT PANEL MULTI- FUNCTION SWITCH INTERCONNECT LEFT REAR WINDOW SWITCH LOCAL LOCAL INTERCONNECT LOGIC NETWORK BUS 12 NETWORK SERIAL BUS 1 NETWORK SERIAL BUS 15 NETWORK SERIAL BUS 2 NETWORK SERIAL BUS 4 POWER SOUNDER CONTENT THEFT DETERRENT ALARM MODULE RAIN SENSOR REAR SEAT HEATING CONTROL MODULE RIGHT REAR WINDOW SWITCH RIGHT STEERING WHEEL CONTROLS SWITCH SEAT HEATING SWITCH STEERING WHEEL AIR BAG COIL SUNROOF MOTOR VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE

BATT POS VOLT BLK WIRE BLU WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CONTENT THEFT DETERRENT SENSOR DISABLE SWITCH DATA BUS 4 DISABLE SIG DRIVER EXTERIOR DOOR HANDLE ASSEMBLY DRIVER EXTERIOR DOOR HANDLE COURTESY LAMP DRIVER EXTERIOR DOOR HANDLE SWITCH FUEL FILL DOOR LOCK RELAY GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED LED CTRL LEFT FRONT DOOR HANDLE KEYLESS ENTRY ANTENNA LEFT REAR WINDOW SWITCH LOGIC LR DR AJAR NCA WIRE NETWORK BUS 1 PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY PASSENGER EXTERIOR DOOR HANDLE COURTESY LAMP PASSENGER EXTERIOR DOOR HANDLE SWITCH PPL RED WIRE RED/GRN WIRE RIGHT FRONT DOOR HANDLE KEYLESS ENTRY ANTENNA SW SIG ULTRASONIC INTRUSION SENSOR 1 ULTRASONIC INTRUSION SENSOR 2 UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE

ACTIVE SAFETY CONTROL MODULE BLK WIRE BLU WIRE BLU/BLK WIRE COMPUTER DATA LINES SYSTEM CONTENT THEFT DETERRENT SENSOR DISABLE SWITCH DISABLE DOME OFF IND FRONT OVERHEAD CONSOLE ASSEMBLY GARAGE DOOR OPENER GRN WIRE GRN/BRN WIRE GRN/WHT WIRE GRN/YEL WIRE IND CTRL INSTRUMENT PANEL MULTI- FUNCTION SWITCH LANE KEEP ASSIST IND LED LOGIC PARK BRAKE SWITCH PARKING ASSIST CONTROL MODULE PARKING ASSIST IND SERIAL DATA (+) (3) SIG TRANSMISSION RANGE SELECTOR CONTROLS W/ INTELLIGENT BRAKE ASSISTANT W/ UNIVERSAL GARAGE DOOR W/O INTELLIGENT BRAKE ASSISTANT WARNING WHT WIRE WINDSHIELD FRONT VIEW CAMERA YEL WIRE

ACTIVE SAFETY CONTROL MODULE BATT POS BATT POS VOLT BATT POS VOLT LANE DEPARTURE WARNING IND CTRL PARKING ASSIST DISABLE LED SIG BLK WIRE BLK/WHT WIRE BLU/GRY WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FRONT OBJECT SENSOR CONTROL 2 GRN WIRE GRN/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE HI SPD GMLAN SERIAL DATA (+) 4 HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LANE DEPARTURE WARNING ASSIST IND LANE DEPARTURE WARNING ASSIST SWITCH LANE DEPARTURE WARNING DISABLE SW SIG LANE DEPARTURE WARNING IND LO SPD GMLAN SERIAL DATA LOGIC LOW SPD GMLAN SERIAL DATA 2 POWER SUPPLY TRANSFORMER RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE SIG GND SPLY VOLT 1 VOLT WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WINDSHIELD FRONT VIEW CAMERA

AUDIO AMPLIFIER (UNDER FRONT OF CENTER FLOOR CONSOLE) BATTERY POSITIVE VOLTAGE BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE CENTER INSTRUMENT PANEL SPEAKER COMPUTER DATA LINES SYSTEM CRANKSHAFT POSI SENS REPLICATED SIG ENTERTAINMENT REMOTE ENABLE SIG ETHERNET BUS 6 (-) FF MIDRANGE SPEAKER (-) LOW REF FR SPEAKER CONTROL (+) FR SPEAKER SIG (-) FRONT CENTER SPEAKER (-) CTRL FRONT CENTER SPEAKER (-) LOW REF GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/YEL WIRE GROUND GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT FRONT DOOR SPEAKER LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LF LOW LEVEL AUDIO (-) LOW REF LF LOW LVL AUDIO (-) LOW REF LF LOW LVL AUDIO SIG LF MIDRANGE SPEAKER (+) CTRL LF SPKR 1 (-) LF SPKR SIGNAL (-) 1 LR LOW LVL AUDIO SIG RR LOW LVL AUDIO SIG NOISE REDUCTION MICROPHONE 1 LOW REF NOISE REDUCTION MICROPHONE 1 SIG NOISE REDUCTION MICROPHONE 2 LOW REF NOISE REDUCTION MICROPHONE 2 SIG NOISE REDUCTION MICROPHONE 3 LOW REF NOISE REDUCTION MICROPHONE 4 RETURN NOISE REDUCTION MICROPHONE 3 SIG NOISE REDUCTION MICROPHONE 4 SIG RADIO AUDIO MUTE SIG RED/BRN WIRE RF LOW LVL AUDIO (-) LOW REF RF LOW LVL AUDIO SIG RF MIDRANGE SPEAKER (-) CTRL RF MIDRANGE SPEAKER (-) LOW REF RF SPEAKER (-) CTRL 1 RF SPKR SIG (-) (1) RIGHT FRONT DOOR SPEAKER RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RR LOW LEVEL AUDIO (-) LOW REF RR SPEAKER (+) CTRL RR SPEAKER SIG (-) VIO/BLU WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

AUDIO AMPLIFIER BATTERY POSITIVE VOLTAGE BLK WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE CENTER INSTRUMENT PANEL SPEAKER COMPUTER DATA LINES SYSTEM ETHERNET BUS 6 (-) FRONT CENTER SPKR (-) LOW REF FRONT CENTER SPKR CONTROL (+) GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GROUND GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT INSTRUMENT PANEL SPEAKER LF SPKR 1 (-) LF SPKR SIGNAL (-) 1 LF TWEETER SPKR CTRL (+) LF TWEETER SPKR CTRL (-) LO REF LO SPD GMLAN SER DATA 2 LR MIDRANGE SPKR (+) CTRL LR MIDRANGE SPKR - LO REF LR SPKR (-) CTRL LR SPKR SIGNAL (-) NOISE REDUCTION MICROPHONE 1 LOW REF NOISE REDUCTION MICROPHONE 1 SIGNAL NOISE REDUCTION MICROPHONE 2 LOW REF NOISE REDUCTION MICROPHONE 2 SIGNAL NOISE REDUCTION MICROPHONE 3 LOW REF NOISE REDUCTION MICROPHONE 3 SIGNAL NOISE REDUCTION MICROPHONE 4 RETURN NOISE REDUCTION MICROPHONE 4 SIGNAL RED/BRN WIRE REPLICATED SIGNAL RF SPEAKER SIG (-) 1 RF SPKR CONTROL (+) (1) RF TWEETER SPKR (-) LO REF RF TWEETER SPKR CTRL (+) RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR COMPARTMENT SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR TWEETER SPEAKER RR SPKR (-) CTRL RR SPKR SIGNAL (-) VIO/BLU WIRE VIO/BRN WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/WHT WIRE

ALL WHEEL DRIVE PWR TRANSFER MTR CTRI B BATTERY POSITIVE VOLT BLK WIRE BLK/VIO WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DIFFERENTIAL CLUTCH PUMP (BOTTOM OF REAR DIFFERENTIAL) GRN/BRN WIRE HI SPD GMLAN SERIAL DATA (+) 1 GND HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HI SPD GMLAN SERIAL DATA (-) 1 BATTERY POSITIVE VOLT HOT AT ALL TIMES MOTOR HALL-EFFECT SENS SIG 1 MOTOR HALL-EFFECT SENS SIG 2 MOTOR HALL-EFFECT SENS SIG 3 MOTOR HALL-EFFECT SENS SPLY VOLT PPL MOTOR HALL-EFFECT SENS LOW VOLT MOTOR U-PHASE MOTOR V-PHASE MOTOR W-PHASE POSI SENSOR LOW REF POSI SENSOR VOLT REF POWER TRANSFER UNIT SHIFT ACTUATOR PPL PPL/WHT WIRE PWR TRANSFER MTR CTRL A PWR TRANSFER UNIT POSI SENSOR SIG REAR DIFFERENTIAL CLUTCH CONTROL MODULE REAR DIFFERENTIAL CLUTCH SOLENOID VALVE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE SERIAL DATA COMM ENABLE UNDERHOOD FUSE BLOCK VALVE 1 LOW CTRL SIG VALVE 2 LOW CTRL SIG VALVE HIGH CTRL SIG VIO/BRN WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/ORG WIRE WHT/RED WIRE