Cadillac CT6 I facelift (2018-2023) Computer data lines circuit, w/ super cruise package

BATT POS VOLT BLK WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE DATA COMM ENABLE DATA LINK CONNECTOR (BOTTOM LEFT SIDE OF DASH) GRN WIRE GRN/WHT WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (+) 9 HI SPD GMLAN SERIAL DATA (-) 11 HI SPD GMLAN SERIAL DATA (-) 13 HI SPD SER DATA (-) 2 HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INFO DISPLAY MODULE INSTRUMENT PANEL FUSE BLOCK INTERFACE CTRL LO SPD LO SPD SER DATA LOW SPEED GMLAN SERIAL DATA LOW SPEED GMLAN SERIAL DATA 2 LOW SPEED GMLAN SERIAL DATA 3 MODULE LIN BUS 1 RED/GRN WIRE RED/WHT WIRE SER DATA (+) 2 SERIAL DATA GATEWAY MODULE (RIGHT OF STEERING COLUMN) STEERING WHEEL ANGLE SENSOR MODULE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE

4.2L TWIN TURBO BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/WHT WIRE CLUSTER DATA COMM ENABLE ETHERNET BUS 3 (+) ETHERNET BUS 4 (-) ETHERNET BUS 6 (-) ETHERNET BUS 7 (-) EXCEPT 4.2L TWIN TURBO GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE HEAD-UP DISPLAY HI SPD GMLAN SERIAL DATA (+) 4 HI SPD GMLAN SERIAL DATA (+) 8 HI SPD GMLAN SERIAL DATA (+) 9 HI SPD GMLAN SERIAL DATA (-) (1) HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT INTERFACE CTRL MODULE LIN BUS 1 LEFT UNDERHOOD FUSE BLOCK LIN BUS 1 LO SPD GMLAN SERIAL DATA 2 LO SPD SER DATA 2 POWER DISTRIBUTION SYSTEM RADIO RUN/CRANK IGNITION 1 VOLTAGE SER DATA COMM ENABLE SERIAL DATA GATEWAY MODULE UNDERHOOD FUSE BLOCK VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE

AUDIO AMPLIFIER (LEFT REAR OF LUGGAGE COMPT) BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/WHT WIRE BUS 3 BUS 4 BUS 6 (+) BUS 7 (-) DATA 2 (+) DATA 9 (+) DATA BUS 12 DATA COMM ENABLE ETHERNET GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE HI SPD SER HIGH SPEED EXTENSION BUS 2 TERMINATING RESISTOR INFOTAINMENT CONTROL SWITCH LIN BUS 1 LO SPD LO SPD SER LO SPD SER DATA 2 LOGIC INSTRUMENT CLUSTER LOGIC RIGHT UPPER STEERING WHEEL CONTROLS SWITCH MEDIA DISC PLAYER NETWORK SER REAR AUDIO CONTROL MODULE SER DATA (+) 2 SER DATA COMM STEERING WHEEL AIR BAG COIL TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE VIDEO PROCESSING CONTROL MODULE W/ AUDIOFILE SYSTEM W/O AUDIOFILE SYSTEM WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE

AIR IONIZER AUXILIARY HVAC CONTROLS AUXILIARY MODE DOOR ACTUATOR BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE DATA BUS 19 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE HVAC CONTROL HVAC CONTROL MODULE HVAC CONTROLS LEFT UPPER AUXILIARY AIR TEMPERATURE DOOR ACTUATOR LIN BUS 1 LIN BUS 2 LO SPD LOGIC PASSENGER WINDOW SWITCH MODULE MODULE LIN BUS 1 NCA WIRE NETWORK SER RIGHT CENTER CONSOLE AUXILIARY AIR TEMPERATURE DOOR ACTUATOR RIGHT UPPER AUXILIARY AIR TEMPERATURE DOOR ACTUATOR SER DATA STEERING COLUMN LOCK MODULE STEERING COLUMN POSITION CONTROL MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATING CONTROL MODULE W/ ELECTRONIC CONTROLS HVAC SYSTEM W/O ELECTRONIC CONTROLS HVAC SYSTEM WHT WIRE WHT/BLU WIRE WHT/GRY WIRE YEL WIRE

ACCESSORY WAKEUP BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE DATA (-) (3) DATA (-) 7 DRIVER SEAT MEMORY CONTROL MODULE FUEL PUMP DRIVER CONTROL MODULE GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE HI SPD SER LEFT REAR SEAT MEMORY CONTROL MODULE LIN BUS 1 LIN BUS 2 LO SPD LOGIC DRIVER SEAT ADJUSTER SWITCH LOGIC DRIVER SEAT BOLSTER MEMORY CONTROL MODULE LOGIC LEFT REAR SEAT ADJUSTER SWITCH LOGIC LEFT REAR SEAT BOLSTER MEMORY CONTROL MODULE MIRROR CONTROL MODULE SER DATA VIO/YEL WIRE W/ MEMORY WHT WIRE WHT/BLU WIRE WHT/GRY WIRE

ACCESSORY WAKEUP BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT END OF DASH) DATA BUS 1 DATA BUS 15 DATA BUS 2 DATA BUS 3 DATA BUS 4 DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE HI SPD SER (+) 1 IMMOBILIZER IMMOBILIZER CONTROL MODULE LIN BUS 1 LO SPD SER DATA LOGIC LOGIC LEFT REAR WINDOW MOTOR LOGIC RIGHT REAR WINDOW MOTOR NETWORK SER NETWORK SER DATA BUS 3 PASSENGER WINDOW MOTOR SER COMM ENABLE SER DATA VIO/YEL WIRE W/O CONTINUOUSLY VARIABLE REAL TIME DAMPING WHT WIRE WHT/BLU WIRE WHT/GRY WIRE

BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/VIO WIRE BUS 4 COMM ENABLE DATA (-) 4 DATA +5 DATA BUS 2 FLEXRAY FR OBJECT FRONT SEAT HEATING CONTROL MODULE FRT OBJECT GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HI SPD SER LEFT REAR SEAT HEATING/VENTING/ COOLING SWITCH NETWORK SER REAR SEAT HEATING CONTROL MODULE RIGHT REAR SEAT HEATING/VENTING/ COOLING SWITCH SENS REF VOLT 1 VIO WIRE VIO/YEL WIRE W/ LUXURY SEATS W/O LUXURY SEATS WHT WIRE WHT/BLU WIRE WHT/GRY WIRE

BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/VIO WIRE COMM ENABLE DATA (-) 10 DATA (-) 4 DATA 9 (+) DATA BUS 1 DRIVER MONITORING SYSTEM CONTROL MODULE FLEXRAY FRT OBJECT GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/YEL WIRE GRY/BLU WIRE HI SPD SER NETWORK SER NIGHT VISION CAMERA CONTROL MODULE RAIN SENSOR SENS REF VOLT 1 SUNROOF MOTOR SUNROOF SUNSHADE CONTROL MODULE VIO/YEL WIRE W/ ELECTRICAL SLIDING SUNROOF W/ ENHANCED VISION INFRARED CAMERA W/O ENHANCED VISION INFRARED CAMERA WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WINDSHIELD FRONT VIEW CAMERA

ACCESSORY BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/VIO WIRE DATA (-) 4 DATA (-) 8 DIGITAL MAP CONTROL MODULE FRT OBJECT GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/BLU WIRE HI SPD SER LIN BUS 1 LIN BUS 2 LOGIC PASSENGER SEAT ADJUSTER SWITCH LOGIC PASSENGER SEAT BOLSTER MEMORY CONTROL MODULE LOGIC RIGHT REAR SEAT ADJUSTER SWITCH LOGIC RIGHT REAR SEAT BOLSTER MEMORY CONTROL MODULE MULTI-FUNCTION ENERGY STORAGE CAPACITOR CONTROL MODULE SENS REF VOLT 1 SER DATA VIO/YEL WIRE W/ MEMORY WAKEUP WHT WIRE WHT/BLU WIRE WHT/GRY WIRE YEL WIRE

ACCESSORY ACTIVE SAFETY CONTROL MODULE 1 BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/VIO WIRE COMM ENABLE DATA (-) 10 DATA (-) 4 DATA (-) 7 DATA (-) 8 DATA 2 (+) DATA 9 (+) FLEXRAY FRT OBJECT GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE HI SPD SER HIGH SPEED EXTENSION BUS 1 TERMINATING RESISTOR LEFT REAR SHORT RANGE RADAR SENSOR MODULE (BEHIND LEFT REAR WHEELWELL) REAR MIDDLE SHORT RANGE RADAR SENSOR MODULE (BELOW LICENSE PLATE POCKET) RIGHT REAR SHORT RANGE RADAR SENSOR MODULE (BEHIND RIGHT REAR WHEELWELL) SENS REF SENS REF VOLT 1 SER DATA VIO/YEL WIRE VOLT 1 WAKEUP WHT WIRE WHT/BLU WIRE WHT/GRY WIRE

BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/VIO WIRE DATA 1 (+) DATA 2 (+) DATA COMM ENABLE GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE HI SPD SER HIGH SPEED BUS TERMINATING RESISTOR LEFT SIDE OBJECT SENSOR MODULE LIFTGATE CONTROL MODULE LIN BUS 1 LIN BUS 2 LO SPD SER DATA PASSENGER PRESENCE MODULE PASSENGER SEAT MEMORY CONTROL MODULE REAR WHEEL STEERING CONTROL MODULE RIGHT REAR SEAT MEMORY CONTROL MODULE VIO/YEL WIRE W/ OBSTACLE DETECTION W/O CONTINUOUSLY VARIABLE REAL TIME DAMPING WHT WIRE WHT/BLU WIRE WHT/GRY WIRE

ACCESSORY ACTIVE SAFETY CONTROL MODULE 2 BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/VIO WIRE COMM ENABLE DATA (-) 10 DATA (-) 4 DATA (-) 7 DATA (-) 8 DATA +5 DATA 2 (+) DATA COMM ENABLE FLEXRAY FRT OBJECT GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HANDSFREE LIFTGATE SENSOR CONTROL MODULE HI SPD SER KEYLESS ENTRY CONTROL MODULE LIN BUS 1 LO SPD LO SPD SER DATA PARKING ASSIST CONTROL MODULE (IF EQUIPPED) (RIGHT KICK PANEL) SENS CTRL 1 SER DATA STEERING WHEEL AIR BAG COIL STEERING WHEEL LANE CENTERING INDICATORS VIO/YEL WIRE WAKEUP WHT WIRE WHT/BLU WIRE WHT/GRY WIRE

3.6L 4.2L TWIN TURBO ACCESSORY WAKEUP SER DATA ACCESSORY WAKEUP SER DATA HI SPD SER DATA (-) 1 ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR BATTERY SENSOR MODULE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/YEL WIRE DATA COMM ENABLE ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL ENGINE CONTROL MODULE GRN/VIO WIRE HI SPD SER DATA (+) 3 HI SPD SER DATA (+) 7 HI SPD SER DATA (-) 1 HI SPD SER DATA (-) 1 ACC WAKEUP SER DATA HI SPD SER DATA (-) 2 LEFT SEAT BELT RETRACTOR MOTOR MODULE MODULE LIN BUS 1 POWER STEERING CONTROL MODULE (FRONT CENTER OF ENGINE COMPT) RIGHT SEAT BELT RETRACTOR MOTOR MODULE TRANSFER CASE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) TRANSMISSION CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) VIO/YEL WIRE WHT WIRE WHT/BLU WIRE