Cadillac XT5 I (2016-2019) serial data Wiring diagrams

BACKUP LAMP BACKUP LP CTRL BATT POSITIVE VOLT BCM 6 FUSE BLK WIRE BLU WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM DATA 1 (+) ENGINE CONTROL MODULE GMLAN SERIAL GMLAN SERIAL DATA - 1 GRN/WHT WIRE HOT AT ALL TIMES INSIDE REAR VIEW MIRROR INSTRUMENT PANEL FUSE BLOCK LOGIC NEUTRAL SIG (1) PPL/YEL WIRE REAR BODY FUSE BLOCK RED/WHT WIRE SERIAL DATA TRAILER BACKUP LAMPS RELAY TRANSMISSION CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) TRANSMISSION PARK/ TRANSMISSION PARK/ NEUTRAL SIG 1 W/ OBJECT DETECTION W/O OBJECT DETECTION WAKEUP WHT WIRE WHT/GRY WIRE

BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PPL WIRE BLU/YEL WIRE COMMUNICATION ENABLE DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DLC FUSE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRY/GRN WIRE GRY/PPL WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (+) 8 HI SPD GMLAN SERIAL DATA (+) 9 HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HI SPD GMLAN SERIAL DATA (-) 9 LO SPD GMLAN SERIAL DATA HOT AT ALL TIMES HUMAN MACHINE INTERFACE CONTROL MODULE (LOWER RIGHT SIDE OF DASH) INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INFO DISPLAY MODULE INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN LO SPD GMLAN SERIAL DATA 2 LOCAL INTERCONNECT LOW SPEED GMLAN MOST CONTROL MOST SERIAL DATA (+) NETWORK 10 NETWORK 5 NETWORK BUS 5 RED/WHT WIRE SERIAL DATA SERIAL DATA (-) 9 SERIAL DATA 2 SERIAL DATA COMMUNICATION ENABLE SERIAL DATA GATEWAY MODULE SIG GND W/ INTEGRATED BRAKE ASSIST W/O INTEGRATED BRAKE ASSIST W/ ONSTAR W/O ONSTAR WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/PPL WIRE

BLU WIRE BLU/PPL WIRE BLU/YEL WIRE BRN/PPL WIRE CONTENT THEFT DETERRENT SENSOR MODULE DRIVER WINDOW MOTOR MODULE DRIVER WINDOW SWITCH GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/PPL WIRE LEFT REAR WINDOW SWITCH LIFTGATE CONTROL MODULE LO SPD GMLAN LOCAL INTERCONNECT NETWORK SERIAL BUS 1 NETWORK SERIAL BUS 18 NETWORK SERIAL BUS 2 NETWORK SERIAL BUS 3 NETWORK SERIAL BUS 4 NETWORK SERIAL BUS 8 PASSENGER WINDOW MOTOR MODULE PASSENGER WINDOW SWITCH POWER SOUNDER CONTENT THEFT DETERRENT ALARM MODULE PPL/YEL WIRE RAIN SENSOR MODULE REAR SEAT HEATING CONTROL MODULE RIGHT REAR WINDOW SWITCH SEAT HEATING CONTROL MODULE SERIAL DATA STEERING COLUMN POSITION CONTROL MODULE SUNROOF MOTOR W/ REAR HEATED SEATS WHT WIRE WHT/BLU WIRE

AWD FWD W/ INTEGRATED BRAKE ASSIST W/O INTEGRATED BRAKE ASSIST BLK/YEL WIRE BLU WIRE BLU/PPL WIRE BLU/YEL WIRE BRN/GRN WIRE BRN/PPL WIRE BRN/WHT WIRE COMMUNICATION ENABLE FRONT OBJECT GRN/BRN WIRE GRN/GRY WIRE HANDS-FREE LIFTGATE SENSOR CONTROL MODULE HI SPD GMLAN HI SPEED GMLAN LOCAL INTERCONNECT NETWORK SERIAL BUS 20 NETWORK SERIAL DATA 18 PPL/GRY WIRE PPL/YEL WIRE REAR DIFFERENTIAL CLUTCH CONTROL MODULE REAR SHORT RANGE RADAR SENSOR MODULE RIGHT SEAT BELT RETRACTOR MOTOR MODULE SENSOR CONTROL 1 SERIAL DATA SERIAL DATA (-) (1) SERIAL DATA (-) 4 SERIAL DATA 2 TRANSMISSION SHIFT LEVER W/ INTEGRATED BRAKE ASSIST WHT WIRE WHT/BLU WIRE YEL WIRE

ACCESSORY WAKEUP ACCESSORY WAKEUP SERIAL DATA BATTERY SENSOR MODULE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BUS 20 ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE FUEL PUMP DRIVER CONTROL MODULE GRN/GRY WIRE GRN/PPL WIRE HI SPD GMLAN HI SPEED GMLAN HI SPEED GMLAN SERIAL DATA (+) (2) HI SPEED GMLAN SERIAL DATA (-) 1 HI SPEED GMLAN SERIAL DATA (-) 3 HIGH SPEED BUS TERMINATING RESISTOR LOCAL INTERCONNECT LOCAL INTERCONNECT NETWORK SERIAL BUS 21 NETWORK SERIAL NETWORK SERIAL BUS 21 POWER STEERING CONTROL MODULE (ON STEERING RACK ASSEMBLY) POWER SUPPLY TRANSFORMER PPL/YEL WIRE SERIAL DATA SERIAL DATA (+) (3) SERIAL DATA (-) (1) SERIAL DATA 2 SERIAL DATA COMMUNICATION ENABLE TRANSMISSION CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLU WIRE

AUDIO LOW REF AUDIO SIG + BACK SIG BATT POS VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BUS 12 CELL CELLULAR PHONE MICROPHONE COAX COMPUTER DATA LINES SYSTEM DOWN DOWN SIG FORWARD SIG GPS/CELL GRN/BLK WIRE GROUND GRY/BRN WIRE GRY/YEL WIRE LEFT LOGIC RIGHT UPPER STEERING WHEEL CONTROLS SWITCH LOW REF MIC (-) LOW REF MIC SIG NCA WIRE RED/BLU WIRE RED/BRN WIRE RED/PPL WIRE RIGHT RIGHT LOWER STEERING WHEEL CONTROLS SWITCH SEL SERIAL DATA SERIAL DATA (-) 9 UP SIG VOICE LOW REF VOICE SIG VOL (-) W/ ONSTAR W/O ONSTAR WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE

AMBIENT LIGHT/ SUNLOAD SENSOR BATT POSITIVE VOLT BCM 6 FUSE BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE GRN WIRE GRN/GRY WIRE GRN/PPL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (-) (1) HOOD AJAR SW SIG HOOD OPEN SW SIG HOT AT ALL TIMES HVAC CONTROL MODULE IMMOBILIZER CONTROL MODULE (RIGHT REAR OF CENTER FLOOR CONSOLE) IMMOBILIZER CTRL IMMOBILIZER LOW REF INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LOCAL INTERCONNECT NETWORK BUS 11 LOGIC LOW REF LOW SPD GMLAN LOW SPD GMLAN SERIAL DATA 2 RED/WHT WIRE SEC IND CTRL SECURITY IND SERIAL DATA SERIAL DATA (-) (1) SERIAL DATA LIN BUS 11 SOLAR SNS VEHICLE ANTI-THEFT SYS IMMOBILIZER CTRL VEHICLE ANTI-THEFT SYS IMMOBILIZER LOW REF WHT WIRE YEL WIRE

3 4 SIG 1 BAT+ BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLU/GRY WIRE BLU/PPL WIRE BRN WIRE CLOSE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DOWN DOWN CTRL EXPRESS CLOSE EXPRESS DOWN EXPRESS OPEN EXPRESS UP FRONT OVERHEAD CONSOLE ASSEMBLY HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LOGIC LOW REF LOW REF SIG 2 LT BLU WIRE ORG/ WIRE PNK WIRE PPL PPL/WHT WIRE RED/GRY WIRE RED/WHT WIRE S/ROOF FUSE SERIAL DATA SERIAL DATA BUS 1 SIG (1) SIG (2) SUNROOF MOTOR SUNROOF SUNSHADE MOTOR SW DATA 1 SW SIG TAN WIRE UP CTRL WHT WIRE YEL WIRE

AUDIO LOW REF AUDIO SIG + BACK SIG BATT POS VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BUS 12 CELL CELLULAR PHONE MICROPHONE COAX COMPUTER DATA LINES SYSTEM DOWN DOWN SIG FORWARD SIG GPS/CELL GRN/BLK WIRE GROUND GRY/BRN WIRE GRY/YEL WIRE LEFT LOGIC RIGHT UPPER STEERING WHEEL CONTROLS SWITCH LOW REF MIC (-) LOW REF MIC SIG NCA WIRE RED/BLU WIRE RED/BRN WIRE RED/PPL WIRE RIGHT RIGHT LOWER STEERING WHEEL CONTROLS SWITCH SEL SERIAL DATA SERIAL DATA (-) 9 UP SIG VOICE LOW REF VOICE SIG VOL (-) W/ ONSTAR W/O ONSTAR WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE

AIR BAG IND AOS FUSE BATT POSITIVE BATT POSITIVE VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/ORG WIRE COMMUNICATION COMPUTER DATA COMPUTER DATA LINES SYSTEM DR ST BLT FUSE DRIVER INFORMATION CENTER DISPLAY DRV KNEE MOD HI CTRL DRV KNEE MOD LO CTRL ENABLE GRN WIRE GRY/GRN WIRE GRY/ORG WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (-) (2) HI SPEED GMLAN SERIAL DATA (+) (2) HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER CENTER FLOOR CONSOLE) INSTRUMENT CLUSTER LEFT SEAT BELT RETRACTOR MOTOR MODULE LINES SYSTEM LO SPD GMLAN SERIAL DATA LO SPEED GMLAN SERIAL DATA 2 LOGIC LOW SPEED GMLAN SERIAL DATA NCA WIRE ORG/BLU WIRE ORG/PPL WIRE ORG/WHT WIRE PASS AIR BAG OFF INDICATOR CTRL PASS AIR BAG ON INDICATOR CTRL 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 SEAT BELT INDICATOR CTRL PASS SEAT BELT TENSION SENS PASS SEAT BELT TENSION SENS SIG PASS ST BLT FUSE PASSENGER INSTRUMENT PANEL AIR BAG PASSENGER PRESENCE MODULE PASSENGER SEAT BELT TENSION SENSOR PPL/ORG WIRE PPL/WHT WIRE REAR BODY FUSE BLOCK RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/WHT WIRE RIGHT SEAT BELT RETRACTOR MOTOR MODULE SEAT BELT IND SERIAL DATA SERIAL DATA 2 SERIAL DATA COMMUNICATION ENABLE SHORTING BAR SIG GND 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 TAN WIRE VIO/ORG WIRE VOLT WHT WIRE WHT/BLU WIRE YEL/ORG WIRE