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

BATT POS VOLT BLK WIRE BLU/BLK WIRE BLU/BRN 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 (-) 12 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 LO SPD SER DATA LO SPD SER DATA 2 LOW SPEED GMLAN SERIAL DATA LOW SPEED GMLAN SERIAL DATA 2 LOW SPEED GMLAN SERIAL DATA 3 RED/GRN WIRE RED/WHT WIRE SERIAL DATA GATEWAY MODULE (RIGHT OF STEERING COLUMN) WHT WIRE WHT/BLU WIRE WHT/GRN WIRE

4.2L TWIN TURBO BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/WHT WIRE 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 (+) 8 HI SPD GMLAN SERIAL DATA (+) 9 HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT UNDERHOOD FUSE BLOCK LO SPD GMLAN SERIAL DATA 2 LO SPD SER DATA 2 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/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/WHT WIRE BUS 3 BUS 4 BUS 6 (+) BUS 7 (-) 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 DATA 2 LOGIC INSTRUMENT CLUSTER LOGIC RIGHT UPPER STEERING WHEEL CONTROLS SWITCH MEDIA DISC PLAYER NETWORK SER REAR AUDIO CONTROL MODULE SER DATA (+) 2 STEERING WHEEL AIR BAG COIL TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE W/ AUDIOFILE SYSTEM W/ ONSTAR W/O AUDIOFILE SYSTEM W/O ONSTAR 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/YEL WIRE DATA BUS 19 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/GRN WIRE HVAC CONTROL MODULE HVAC CONTROLS LEFT UPPER AUXILIARY AIR TEMPERATURE DOOR ACTUATOR LIN BUS 1 LIN BUS 2 LO SPD LOGIC PASSENGER WINDOW SWITCH 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

ACCESSORY WAKEUP BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY 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 GRY/GRN WIRE HEADLAMP CTRL 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 MOD LIN BUS 2 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/YEL WIRE BODY CONTROL MODULE (LOWER LEFT END OF DASH) DATA 2 (+) DATA BUS 1 DATA BUS 15 DATA BUS 2 DATA BUS 3 DATA BUS 4 DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH ENABLE GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/GRN WIRE HI SPD SER (+) 1 IMMOBILIZER IMMOBILIZER CONTROL MODULE LIN BUS 1 LO SPD SER 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 SER DATA COMM VIDEO PROCESSING CONTROL MODULE 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/YEL WIRE DATA BUS 2 FR OBJECT FRONT SEAT HEATING CONTROL MODULE FRT OBJECT GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRY/VIO WIRE LEFT FRONT SHORT RANGE RADAR SENSOR MODULE LEFT REAR SEAT HEATING/VENTING/ COOLING SWITCH LONG RANGE RADAR SENSOR MODULE NETWORK SER REAR SEAT HEATING CONTROL MODULE RIGHT FRONT SHORT RANGE RADAR SENSOR MODULE RIGHT REAR SEAT HEATING/VENTING/ COOLING SWITCH SENS 2 REF VOLT SENS CTRL 2 VIO/YEL WIRE W/ COLLISION AVOIDANCE 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/YEL WIRE BRN WIRE DATA 1 (+) DATA 2 (+) DATA BUS 1 FRT OBJECT GRN WIRE GRN/BRN WIRE GRY/VIO WIRE HI SPD SER HIGH SPEED EXTENSION BUS 1 TERMINATING RESISTOR LO SPD NETWORK SER NIGHT VISION CAMERA CONTROL MODULE RAIN SENSOR SENS CTRL 2 SERIAL DATA SUNROOF MOTOR SUNROOF SUNSHADE CONTROL MODULE VIO/YEL WIRE W/ ELECTRICAL SLIDING SUNROOF W/O BRAKE PREFILL, INTELLIGENT BRAKE ASSIST W/O ELECTRICAL SLIDING SUNROOF WHT WIRE WHT/BLU WIRE WHT/GRY WIRE

ACTIVE SAFETY CONTROL MODULE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/VIO WIRE CHASIS CTRL DATA 1 (+) DATA 2 (+) DATA COMM ENABLE FRT OBJECT GRN WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/VIO WIRE HI SPD SER LO SPD 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 MEMORY CTRL MOD LIN BUS 1 MOD LIN BUS 2 PASS SEAT REAR SHORT RANGE RADAR SENSOR MODULE SENS CTRL 1 SENS CTRL 2 SER DATA VIO/YEL WIRE W/ COLLISION AVOIDANCE W/ MEMORY W/O COLLISION AVOIDANCE WHT WIRE WHT/BLU WIRE WHT/GRY WIRE YEL WIRE

ACTIVE SAFETY CONTROL MODULE 2 BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/YEL WIRE CHASSIS CONTROL MODULE CHASSIS CTRL DATA 1 (+) DATA 2 (+) DATA COMM ENABLE GRN WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/YEL WIRE HI SPD SER HIGH SPEED EXTENSION BUS 2 TERMINATING RESISTOR LEFT SIDE OBJECT SENSOR MODULE LIFTGATE CONTROL MODULE LIFTGATE CTRL LIN BUS LO SPD SER DATA MODULE LIN BUS 1 PASSENGER PRESENCE MODULE PASSENGER SEAT MEMORY 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

BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/YEL WIRE DATA 2 (+) DATA COMM DATA COMM ENABLE ENABLE GRN WIRE GRN/BRN WIRE HANDS-FREE LIFTGATE SENSOR CONTROL MODULE HI SPD SER KEYLESS ENTRY CONTROL MODULE LEFT SEAT BELT RETRACTOR MOTOR MODULE LIN BUS 1 LO SPD SER DATA PARKING ASSIST CONTROL MODULE (IF EQUIPPED) (RIGHT KICK PANEL) REAR WHEEL STEERING CONTROL MODULE VIO/YEL WIRE W/ FOUR WHEEL STEERING W/ FRONT, REAR PARKING ASSIST W/ RESTRAINT PROVISIONS W/O FOUR WHEEL STEERING W/O FRONT, REAR PARKING ASSIST W/O RESTRAINT PROVISIONS WHT WIRE WHT/BLU 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 BUS 21 DATA COMM ENABLE ELECTRONIC BRAKE CONTROL MODULE 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 HI SPD SER DATA (-) 2 DATA COMM ENABLE NETWORK SER NETWORK SER DATA BUS 21 POWER STEERING CONTROL MODULE (FRONT CENTER OF ENGINE COMPT) RIGHT SEAT BELT RETRACTOR MOTOR MODULE RWD TRANSFER CASE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) TRANSMISSION CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) VIO/YEL WIRE W/ RESTRAINT PROVISIONS W/O RESTRAINT PROVISIONS WHT WIRE WHT/BLU WIRE