Cadillac CT6 I facelift (2018-2023) blk Wiring diagrams

3.6L 4.2L TURBO ACTIVE SAFETY CONTROL MODULE (RIGHT SIDE OF BATTERY WELL) BATT POS VOLT BLK WIRE BLU WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/VIO WIRE CAMERA GND COMPUTER DATA LINES SYSTEM DATA COMM ENABLE 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 HI SPD GMLAN SERIAL DATA (+) 4 HI SPD GMLAN SERIAL DATA (+) 8 HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 2 ENERGIZED INSTRUMENT CLUSTER INSTRUMENT PANEL MULTI-FUNCTION SWITCH 1 LANE DEPARTURE WARNING IND CTRL LANE KEEP ASSIST IND LANE KEEP ASSIST SWITCH LEFT FRONT SHORT RANGE RADAR SENSOR MODULE LEFT LOWER STEERING WHEEL CONTROLS SWITCH LOGIC LONG RANGE RADAR SENSOR MODULE (BEHIND CENTER OF LOWER FRONT GRILLE) LOW SPD GMLAN SERIAL DATA MOST SER DATA (+) NAVIGATION SYSTEM PARK ASSIST IND PARK ASSIST SWITCH PARKING ASSIST CONTROL MODULE (RIGHT KICK PANEL) POWER DISTRIBUTION SYSTEM REAR BODY FUSE BLOCK REAR PARK ASSIST DISABLE SIG REAR PARK ASSIST LED DISABLE SIG REAR SHORT RANGE RADAR SENSOR MODULE RED WIRE RED/GRN WIRE RED/WHT WIRE RIGHT FRONT SHORT RANGE RADAR SENSOR MODULE RIGHT UNDERHOOD FUSE BLOCK SIG GND STEERING WHEEL AIR BAG COIL UNDERHOOD FUSE BLOCK VIO/WHT WIRE W/O BRAKE PREFILL, INTELLIGENT BRAKE ASSIST WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WINDSHIELD FRONT VIEW CAMERA

ACCESSORY WAKEUP SERIAL DATA ACTIVE SAFETY CONTROL MODULE 2 (LEFT REAR OF BATTERY WELL) BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DIGITAL MAP CONTROL MODULE (REAR OF RIGHT REAR WHEELWELL) ELECTRONIC POWER STEERING SYSTEM FLEXRAY COMMUNICATION ENABLE FLEXRAY SERIAL DATA (+) (10) FLEXRAY SERIAL DATA (+) (5) FLEXRAY SERIAL DATA (+) (7) COLUMN FRICTION DEVICE ENGAGE CTRL FLEXRAY SERIAL DATA (+) (8) FLEXRAY SERIAL DATA (-) (7) FRONT OBJECT SENS CTRL 1 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (+) 4 HI SPD GMLAN SERIAL DATA (+) 8 HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES INERTIA SENS 1 SPLY VOLT INERTIA SENS 2 SUPPLY VOLTAGE LIN SERIAL DATA BUS 27 LO SPD GMLAN SERIAL DATA LOGIC MULTI-AXIS ACCELERATION SENSOR 2 (BETWEEN FRONT SEATS) MULTI-FUNCTION ENERGY STORAGE CAPACITOR CONTROL MODULE POWER DISTRIBUTION SYSTEM RED WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RELAY CTRL RUN/CRANK IGNITION 1 VOLTAGE STARTER ENABLE RLY (PPEI 3) CTRL STARTING/CHARGING SYSTEM SUPPLY BATT LO REF SUPPLY BATTERY ISOLATOR STATUS SUPPLY BATTERY LO REF SUPPLY VOLTAGE VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/GRY WIRE WHT/YEL WIRE YEL/GRN WIRE

B+ VOLT BLK WIRE BLU WIRE BRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CONTENT THEFT DETERRENT SENSOR MODULE DRIVER DOOR LOCK SWITCH GARAGE DOOR OPENER GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 2 ENERGIZED INSTRUMENT PANEL COMPARTMENT DOOR UNLATCH ACTUATOR INSTRUMENT PANEL COMPARTMENT DOOR UNLATCH ACTUATOR RELAY INSTRUMENT PANEL FUSE BLOCK LEFT REAR EXTERIOR DOOR HANDLE ASSEMBLY LEFT REAR EXTERIOR DOOR HANDLE COURTESY LAMP LEFT REAR EXTERIOR DOOR HANDLE SWITCH LOGIC NETWORK BUS 1 NETWORK BUS 2 POWER SOUNDER CONTENT THEFT DETERRENT ALARM MODULE REAR BODY FUSE BLOCK RED WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR EXTERIOR DOOR HANDLE ASSEMBLY RIGHT REAR EXTERIOR DOOR HANDLE COURTESY LAMP RIGHT REAR EXTERIOR DOOR HANDLE SWITCH SW DISABLE SIG SW LED CTRL ULTRASONIC INTRUSION SENSOR 1 ULTRASONIC INTRUSION SENSOR 2 VIO WIRE VIO/BLK WIRE VIO/YEL WIRE W/ VEHICLE INCLINATION SENSOR VEHICLE-INTERIOR MOVEMENT SENSOR WHT WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE

3.6L 4.2L TURBO ACTUATOR ACTUATOR CTRL ACTUATOR LO REF BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLU WIRE BLU/VIO WIRE BRN WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DOOR AJAR IND DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE HOOD SWITCH ETHERNET BUS 7 (-) GMLAN SER DATA GMLAN SERIAL DATA - 1 GRN WIRE GRN/VIO WIRE GRY WIRE GRY/GRN WIRE GRY/WHT WIRE HOOD OPEN SW SIG HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER LCK STATUS SIG LO SPD GMLAN SERIAL DATA 2 LOCK SIG LOGIC LOGIC GND OFF/ACC IGN VOLT OVERHEAD CONSOLE MULTI- FUNCTION SWITCH PASSENGER DOOR LOCK SWITCH POWER SUPPLY TRANSFORMER PPL RECEIVER SIG RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER RUN/CRANK IGN 1 VOLT STEERING COLUMN LOCK MODULE (IF EQUIPPED) SUPLY VOLT TRANSMIT SIG UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/VIO WIRE

AJAR SW SIG AMBIENT LIGHT/ SUNLOAD SENSOR BLK WIRE BLU WIRE BLU/VIO WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRN/GRY WIRE GRY WIRE GRY/WHT WIRE GRY/YEL WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CONTROL MODULE LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW MOTOR LEFT UNDERHOOD FUSE BLOCK LOGIC LOGIC PASSENGER WINDOW MOTOR LOW REF NETWORK BUS 3 NETWORK BUS 4 PASSENGER DOOR LATCH ASSEMBLY RED/BLU WIRE RED/WHT WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW MOTOR LOGIC VIO/BLK WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE

ACCESSORY IGN VOLTAGE ACTIVE SIG ACTUATOR CTRL ACTUATOR LO REF ACTUATOR LOCK CTRL ACTUATOR RECEIVE SIG BATT POS VOLT BEAM RLY CTRL BLK WIRE BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER LEFT END OF DASH) BRN WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DOOR DEAD LOCK RELAY DOOR LOCK CTRL DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW SWITCH FUEL DOOR LOCK ACTUATOR FUEL DOOR LOCK RELAY FUEL DR LOCK RELAY CTRL GLOVE BOX DOOR RELEASE RLY CTRL LCK STATUS SIG GLOVE BOX DOOR RELEASE SIG GLOVE BOX DOOR SIG RELEASE GLOVE BOX) GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HOOD STATUS B SIG HORN RELAY CTRL HORNS SYSTEM HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL MULTI-FUNCTION SWITCH 2 LF DR AJAR LIFTGATE AJAR SW SIG 1 LOCK SIGNAL LOGIC LOGIC DRIVER WINDOW MOTOR MOTOR STATUS SIG NETWORK BUS 3 REAR BODY FUSE BLOCK REAR COMPARTMENT LID LATCH RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RUN/CRANK IGN 1 VOLT SECURITY IND CTRL SECURITY LOCK RLY CTRL SERIAL DATA (-) (1) SW LOCK CTRL SW SIG SW UNLOCK CTRL TRANSMIT SIG UNLOCK CTRL UNLOCK SIG UNLOCK SIGNAL VIO/BLK WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/VIO WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE

3.6L 4.2L TURBO BATT POSITIVE VOLT BLK WIRE BLU WIRE BODY CONTROL MODULE (LOWER LEFT END OF DASH) BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE GMLAN SERIAL DATA - 1 GRN/GRY WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/VIO WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOOD OPEN SW SIG HOOD STATUS B SIG HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IMMOBILIZER CONTROL MODULE (UNDER FLOOR CONSOLE) IMMOBILIZER LOW REF IMMOBILIZER SPLY CTRL INSTRUMENT CLUSTER LEFT UNDERHOOD FUSE BLOCK LOCAL INTERCONNECT NETWORK SERIAL BUS 11 LOGIC MOST SERIAL DATA (+) NETWORK SERIAL BUS 11 PPL REAR BODY FUSE BLOCK RED/WHT WIRE RUN/CRANK IGN 1 VOLT SECURITY IND UNDERHOOD FUSE BLOCK VEHICLE ANTI-THEFT SYS IMMOBILIZER CTRL VEHICLE ANTI-THEFT SYS IMMOBILIZER LOW REF VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/GRN WIRE YEL WIRE

BLK WIRE BLU/GRN WIRE BLU/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DOOR LOCK MTR STATUS SIG DOOR LOCK KEY SW UNLOCK SIG DOOR LOCKS SYSTEM DOWN SWITCH DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH EXPRESS SWITCH GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES ILL LEFT FRONT WINDOW DOWN SWITCH LEFT FRONT WINDOW EXPRESS SWITCH LEFT FRONT WINDOW UP SWITCH LEFT REAR WINDOW DOWN SWITCH LEFT REAR WINDOW EXPRESS DOWN SWITCH LEFT REAR WINDOW UP SWITCH LF DR AJAR SW SIG LOCKOUT IND LOCKOUT SWITCH LOGIC N/W BUS 3 PASSENGER WINDOW MOTOR PASSENGER WINDOW SWITCH REAR BODY FUSE BLOCK RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RF DR AJAR SW SIG RIGHT FRONT WINDOW DOWN SWITCH RIGHT FRONT WINDOW EXPRESS SWITCH RIGHT FRONT WINDOW UP SWITCH RIGHT REAR WINDOW DOWN SWITCH RIGHT REAR WINDOW EXPRESS DOWN SWITCH RIGHT REAR WINDOW UP SWITCH SW DOWN SIG SW DRV DOWN SIG SW DRV EXP SIG SW DRV UP SIG SW EXPRESS SIG SW UP SIG UP SWITCH VIO/GRY WIRE WHT/VIO WIRE YEL/BLK WIRE

BLK WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM DOWN DOWN SWITCH EXPRESS EXPRESS SIG EXPRESS SWITCH GRN/GRY WIRE GRY WIRE GRY/GRN WIRE ILL LEFT REAR WINDOW MOTOR LEFT REAR WINDOW SWITCH LOGIC LR DOWN SIG LR DR AJAR SW SIG LR UP SIG NETWORK 4 RED/BLU WIRE RED/WHT WIRE RIGHT REAR WINDOW MOTOR RIGHT REAR WINDOW SWITCH RR DOWN SIG RR DR AJAR SW SIG RR UP SIG SWITCH UP SWITCH WHT/GRN WIRE YEL WIRE

BLK WIRE GRN WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED ILL LEFT REAR DOOR SUNSHADE SWITCH OVERHEAD CONSOLE MULTI- FUNCTION SWITCH PNK WIRE POWER TOPS SYSTEM REAR BODY FUSE BLOCK REAR WINDOW SUNSHADE MODULE REAR WINDOW SUNSHADE MOTOR RED WIRE RIGHT REAR DOOR SUNSHADE SWITCH SUNROOF SWITCH SUNSHADE SWITCH VIO/GRN WIRE VIO/GRY WIRE YEL WIRE YEL/GRN WIRE