Cadillac XT5 I (2016-2019) computer data lines system Wiring diagrams

ACC LED SIG ACTUATOR LOW REF ACTUATOR TRANSMIT SIG AMBIENT LIGHT SENS SIG ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES, 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/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/PPL WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRK APPLY SENS CTRL BRK APPLY SENS LOW REF BRK APPLY SENS SIG BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/PPL WIRE BRN/WHT WIRE BRN/YEL WIRE COLUMN LOCK STATUS SIG COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC/BRAKE SIG DIMMER SW LOW REF DIMMER SW SIG DOOR LOCKS, ANTI-THEFT SYSTEMS DRV DOOR LK SW LK SIG DRV DOOR LK SW UNLK SIG GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HAZARD SW SIG HDLP HI BEAM RLY CTRL HDLP SW OFF SIG CTRL HDLP SW ON SIG HDLP SW PARK LAMP SIG HEADLAMP LOW BEAM RLY CTRL HEADLIGHTS SYSTEM HI SPD GMLAN SERIAL DATA (+) 1 ACTUATOR CTRL HI SPD GMLAN SERIAL DATA (+) 1 ACTUATOR RECEIVE SIG HI SPD GMLAN SERIAL DATA (-) (1) HIGH BEAM DIM CTRL HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES IGN MODE SW VOLT IND DIMMING CTRL INSTRUMENT PANEL FUSE BLOCK INTERIOR LAMP DEFEAT SW SIG LED AMBIENT LIGHTING CTRL 2 LED BACKLIGHT DIMMING CTRL LEFT CORNERING LP CTRL LEFT TRAILER TURN SIG LP CTRL LF TURN SIG LP CTRL LIN DATA BUS 4 LOW SPD GMLAN SERIAL DATA LR STOP LP CTRL LR TURN SIG LP CTRL PARK LP RLY CTRL PPL PPL/GRN WIRE REAR WINDOW WASHER RLY CTRL REAR WINDOW WIPER SW SIG RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/PPL WIRE RED/WHT WIRE RH PARK LP CTRL RIGHT CORNERING LP CTRL RIGHT TRAILER TURN SIG LP CTRL SECURITY IND CTRL SHIFT INTERLOCK SYSTEM SIG GND START LED SIG TRACTION CTRL SW SIG 1 TRAILER BRAKE APPLY SIG TRANSMISSIONS SYSTEM WHT WIRE WHT/BLU WIRE WHT/PPL WIRE WIPER SW HI SIG WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM EXTERIOR LIGHTS SYSTEM YEL WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/WHT WIRE

ACC IGN VOLT ACC WAKEUP SERIAL DATA ANTI-THEFT SYSTEM BACKUP LP CTRL BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PPL WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PPL WIRE BRN/YEL WIRE COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM COURTESY LP SW SIG CRUISE CONTROL SYSTEM CRUISE CONTROL, NAVIGATION SYSTEMS DOME LP OFF IND CTRL DOOR LK ACTUATOR LK CTRL DOOR LK ACTUATOR UNLK CTRL DOOR LOCKS, ANTI-THEFT SYSTEMS DR LK ACTUATOR CTRL 2 ENGINE START/STOP GAP UP/DOWN SW SIG GLASS BREAKAGE SENS SIG 2 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/PPL WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE HAZ SW LH TURN SIG HAZ SW RH TURN SIG HDLP DIMMER SW HI BEAM SIG HDLP SW FLASH TO PASS SIG HEADLIGHTS SYSTEM HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) 1 TRAILER BRAKE APPLY SIG HOOD AJAR SW SIG HORN SW SIG HORNS SYSTEM IGNITION MODE SWITCH IMMOBILIZER CTRL IMMOBILIZER LOW REF INADVERTENT PWR CTRL IND INTERIOR LP CTRL LED AMBIENT LIGHTING CTRL 1 LED BACKLIGHT DIMMING CTRL LEFT HDLP BULB OUTAGE SIG LH HDLP LOW BEAM RLY CTRL LH PARK LP CTRL LH PRK LP CTRL LIGHTING CTRL SW REF LIN BUS 11 LIN DATA BUS 1 LIN DATA BUS 2 LOW SPD GMLAN SERIAL DATA MIRROR PUDDLE LAMP CTRL NETWORK SERIAL DATA BUS 3 PASS DOOR LK SW LK CTRL PASS DOOR LK SW UNLK CTRL POWER DISTRIBUTION SYSTEM PPL/BLK WIRE PPL/BLU WIRE PPL/GRY WIRE PPL/WHT WIRE PPL/YEL WIRE PUSHBUTTON START CHALLENGE ACTIVE SIG REAR COMPT LID LP 2 CTRL REAR LICENSE LP CTRL REAR TURN LP FEEDBACK SIG REAR WIPER MTR RLY COIL CTRL RF TURN SIG LP CTRL RH HDLP LOW BEAM RLY CTRL RH PARK LP CTRL RIGHT HDLP BULB OUTAGE SIG RR STOP LP CTRL RR TURN LP FEEDBACK SIG RR TURN SIG LP CTRL RUN/CRANK IGN 1 VOLT RUN/CRANK RLY COIL CTRL WINDSHIELD WIPER MTR RLY COIL CTRL SET/COAST/RESUME/ ACCELERATE SW SIG STOP LP RLY COIL CTRL TAP UP/TAP DOWN SW SIG TRANSMISSIONS SYSTEM WARNING SYSTEMS WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/PPL WIRE WHT/YEL WIRE WINDSHIELD WASHER RLY CTRL WINDSHIELD WASHER SW SIG WINDSHIELD WIPER MTR PARK SW SIG WIPER SW HI SIG WIPER SW LOW REF WIPER SW LOW SIG WIPER/WASHER SYSTEM WIRELESS CHARGING SYSTEM CHARGE IND CTRL YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/PPL WIRE

BATTERY BATTERY FUSE BLOCK BATTERY SENSOR MODULE BLK WIRE BLU WIRE BRN WIRE CHARGE IND CHARGE IND CTRL COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE FUSE 10 FUSE 7 GENERATOR GENERATOR FIELD DUTY CYCLE SIG GRN/PPL WIRE GRY WIRE GRY/GRN WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) INSTRUMENT CLUSTER LOGIC LOW SPEED GMLAN RED/WHT WIRE RED/YEL WIRE SERIAL DATA WHT WIRE

BATT POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BRN/BLK WIRE BRN/WHT WIRE BRN/YEL WIRE COMMON CTRL COMPUTER DATA LINES SYSTEM DATA BUS 8 DEFOGGER SYSTEM DOWN DRIVER OUTSIDE REAR VIEW MIRROR FOLDING MOTOR DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR VIEW MIRROR MOTOR DRIVER OUTSIDE REAR- VIEW MIRROR DRIVER SIDE OBJECT DETECTION INDICATOR DRIVER WINDOW SWITCH EXTERIOR LIGHTS, NAVIGATION SYSTEMS FOLD OUT GRN/WHT WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT LEFT TURN SIGNAL REPEATER LAMP LH (-) RH (+) SIG LOGIC LOW REF MIRROR DIMMING MIRRORS SYSTEM MOTOR FOLD IN CTRL MOTOR FOLD OUT CTRL MSM FUSE NAVIGATION SYSTEM PASS WNDW SW FUSE PPL/BLU WIRE PPL/RED WIRE REAR BODY FUSE BLOCK RED/BLU WIRE RED/GRN WIRE RED/PPL WIRE RH (+) LH (-) CTRL RIGHT UP (+) DOWN (-) CTRL UP DOWN SIG WHT/GRN WIRE WHT/YEL WIRE WNDW MDL FUSE YEL/BRN WIRE

3/4 5 VOLT REF AJAR SW SIG 1 AJAR SW SIG 2 B+ VOLT BLK WIRE BLK/GRN WIRE BLK/PPL WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CINCH LIFTGATE SIG COMPUTER DATA LINES SYSTEM DATA BUS 18 DETENT LIFTGATE SIG DRIVER INFORMATION CENTER DISPLAY EOCM SBZA FUSE GMLAN SERIAL DATA GRN WIRE GRN/BRN WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HANDSFREE LIFTGATE SENSOR CONTROL MODULE HOT AT ALL TIMES ILL INSTRUMENT CLUSTER INTERIOR LIFTGATE CONTROL SWITCH L/GATE FUSE LEFT LIFTGATE OBJECT SENSOR LIFT GATE OPEN/CLOSE MTR CLOSE CTRL LIFT GATE OPEN/CLOSE MTR OPEN CTRL LIFTGATE CLOSE SWITCH LIFTGATE CONTROL MODULE (CENTER LEFT SIDE OF LIFTGATE) LIFTGATE LATCH ASSEMBLY LIFTGATE MOTOR ASSEMBLY LIFTGATE UNLATCH SWITCH LIN SERIAL LIN SERIAL DATA BUS 18 LOGIC LOGIC/ MODE FUSE LOW REF LOW REF (1) LOW REF 2 LOW SPEED GMLAN SERIAL DATA 2 LOWER HANDSFREE LIFTGATE SENSOR MAX MTR CLOSE CTRL MTR OPEN CTRL MTR RELEASE SIG NCA WIRE OFF OPEN/CLOSE MOTOR CLOSE CTRL OPEN/CLOSE SW SIG POSITION SENS LOW REF POSITION SENS SIG 1 POSITION SENS SIG 2 PPL/GRN WIRE REAR BODY FUSE BLOCK REAR OPEN/ CLOSE SW RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RELEASE RELEASE SENS RIGHT LIFTGATE OBJECT SENSOR SENS LOW REF SENS SIG 1 SENS SIG 2 SHUT FACE SW LED CTRL SHUT FACE SW SIG UPPER HANDSFREE LIFTGATE SENSOR W/ HANDSFREE SYSTEM W/O HANDSFREE SYSTEM WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE

BATTERY BATTERY FUSE BLOCK BATTERY SENSOR MODULE BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM ECM IGN FUSE FUSE 5 FUSE 6 HI SPD GMLAN HOT W/ IGNITION MAIN RELAY ENERGIZED LOGIC NEUTRAL SIG (1) PPL/GRY WIRE RED/YEL WIRE SER DATA (-) (1) STARTER MOTOR STARTER PINION SOLENOID ACTUATOR RELAY STARTER RELAY STRTR 1 FUSE STRTR 3 FUSE TRANS PARK/ TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/PPL WIRE

ACCY WAKEUP SER DATA BATT POS VOLT BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) COMPUTER DATA LINES SYSTEM DC DC TRANS 1 FUSE DC DC TRANS 2 FUSE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE HI SPD GMLAN SER DATA - HI SPD GMLAN SERIAL DATA (-) (1) HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN MODE SW VOLT IGNITION MODE SWITCH KEYLESS ENTRY CONTROL MODULE (REAR RIGHT SIDE OF CARGO AREA) LOW SPD GMLAN SERIAL DATA LRBEC IGN FUSE POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (UNDER FRONT OF CENTER FLOOR CONSOLE) PPL/BLK WIRE PPL/GRY WIRE PPL/YEL WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RUN/CRANK IGN 1 VOLT SIG GND START SW 2 LOW REF START SW SIG 2 STARTER ENABLE RLY CTRL STARTER PINION SOL RLY CTRL TRANS PARK/ NEUTRAL SIG 1 UNDERHOOD FUSE BLOCK WHT WIRE WHT/GRY WIRE YEL/BLK WIRE YEL/PPL WIRE

B+ VOLT BATT POS VOLT BCM 1 FUSE BCM 6 FUSE BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DATA BUS 1 DRIVER INFORMATION CENTER DISPLAY FRONT WINDSHIELD WIPER SW HIGH SIG GRN/BRN WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LOGIC LOW SPD GMLAN SERIAL DATA 2 LOW WASHER FLUID IND CTRL N/W SER PPL RAIN SENSOR MODULE REAR BODY FUSE BLOCK REAR WIND WASHER RLY CTRL REAR WIND WIPER SW SIG REAR WIPER MTR RLY COIL CTRL RED/BLU WIRE RED/WHT WIRE SIG GND UGDO RAIN FUSE UNDERHOOD FUSE BLOCK W/O GARAGE DOOR OPENER W/ GARAGE DOOR OPENER WHT WIRE WHT/BLK WIRE WHT/PPL WIRE WINDSHIELD WASHER RLY CTRL WINDSHIELD WASHER SW SIG WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MTR PARK SW SIG WINDSHIELD WIPER MTR RLY COIL CTRL WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WINDSHIELD WIPER SW HIGH SIG WINDSHIELD WIPER SW LOW REF WINDSHIELD WIPER SW LOW SIG WPR FRT FUSE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE

A/C COMPRESSOR CLUTCH RELAY AUXILIARY COOLANT PUMP RELAY BANK 2 EXHAUST CAMSHAFT POSITION SENSOR BANK 2 INTAKE CAMSHAFT POSITION ACTUATOR SOLENOID VALVE BANK 2 INTAKE CAMSHAFT POSITION SENSOR BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/PPL WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/PPL WIRE BLU/WHT WIRE BRAKE BOOSTER VACUUM SENSOR BRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ECM BATT FUSE ECM EVEN FUSE ECM IGN FUSE ECM ODD FUSE ECM PWR/ TRN 1 FUSE ECM PWR/ TRN 2 FUSE ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMPERATURE SENSOR ENGINE OIL PRESSURE CONTROL SOLENOID VALVE FSCM FUSE FUEL PRESSURE SENSOR FUEL PUMP CTRL FUEL PUMP DRIVER CONTROL MODULE (UNDER LEFT REAR OF VEHICLE) FUSE 5 GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HI SPD GMLAN HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGNITION 1 VOLT LOW REF PPL PPL/BLU WIRE PPL/GRN WIRE PPL/GRY WIRE PPL/YEL WIRE PRIMARY RELAY CTRL PWR/ TRN TRCM FUSE RED WIRE RED/PPL WIRE RED/WHT WIRE RED/YEL WIRE SERIAL DATA (+) (3) SHIELD GND TRANSMISSION RANGE CONTROL MODULE UNDERHOOD FUSE BLOCK USED) WAKEUP SERIAL DATA WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/PPL WIRE YEL/RED WIRE

BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/PPL WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/PPL WIRE BLU/WHT WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ENGINE OIL LEVEL SWITCH FUEL TANK PRESS GRN/PPL WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 HEATER LOW CTRL BANK 1 SENS 1 HEATER LOW CTRL BANK 1 SENS 2 HEATER LOW CTRL BANK 2 SENS 1 HEATER LOW CTRL BANK 2 SENS 2 HIGH SIG BANK 1 SENS 1 HIGH SIG BANK 1 SENS 2 HIGH SIG BANK 2 SENS 1 HIGH SIG BANK 2 SENS 2 INDUCTION AIR TEMP SENS SIG KNOCK SENS LOW REF 1 KNOCK SENS LOW REF 2 KNOCK SENS SIG 1 KNOCK SENS SIG 2 KNOCK SENSOR #2 KNOCK SENSOR 1 LIN SERIAL DATA BUS 21 LOGIC LOW SIG BANK 1 SENS (1) LOW SIG BANK 1 SENS 2 LOW SIG BANK 2 SENS (2) LOW SIG BANK 2 SENS 1 MANIFOLD ABSOLUTE PRESS SENS SIG MANIFOLD ABSOLUTE PRESSURE SENSOR MULTI-FUNCTION INTAKE AIR SENSOR NCA WIRE OIL LEVEL SW SIG OIL PRESS SENS LOW REF OIL PRESS SENS SIG POWERTRAIN MAIN RLY FUSED SPLY 5 PPL/BLU WIRE PPL/GRN WIRE PPL/GRY WIRE PPL/WHT WIRE PRESS SENS LOW REF PRIMARY FUEL LEVEL SENS SIG SECONDARY FUEL LEVEL SENS SIG SIG GROUND TEMP SENS LOW REF THROTTLE ACT CTRL CLOSE THROTTLE ACT CTRL OPEN THROTTLE BODY (TOP LEFT FRONT OF ENGINE) THROTTLE INLET ABSOLUTE THROTTLE INLET ABSOLUTE PRESS SENS LOW REF THROTTLE INLET ABSOLUTE PRESS SENS SIG WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE YEL/WHT WIRE