Cadillac CT6 I (2016-2019) computer data lines system Wiring diagrams

BATT POS VOLT BLK/ORG WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT END OF DASH) BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT PANEL FUSE BLOCK LEFT HOOD ACTUATOR HI CTRL LEFT HOOD ACTUATOR LOW CTRL LEFT HOOD HINGE ACTUATOR ORG/ WIRE ORG/VIO WIRE PEDESTRIAN PROTECTION IMPACT SENSING MODULE LOW REF PEDESTRIAN PROTECTION IMPACT SENSING MODULE SIG PEDESTRIAN PROTECTION SAFING SENSOR MODULE LOW REF PEDESTRIAN PROTECTION SAFING SENSOR MODULE SIG POWER DISTRIBUTION SYSTEM RED/GRN WIRE RIGHT HOOD ACTUATOR HI CTRL RIGHT HOOD ACTUATOR LOW CTRL RIGHT HOOD HINGE ACTUATOR SDM FUSE SHORTING BAR SIG GND TRANSMISSION CONTROL MODULE UPPER BEAM FRONT PEDESTRIAN IMPACT DETECTION SENSOR VIO/RED WIRE WHT WIRE WHT/RED WIRE YEL WIRE

AMP REAR DEFOG FUSE BATTERY FUSE BLOCK BLK WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR FUSE 22 FUSE 37 FUSE 5 GRN WIRE HOT AT ALL TIMES HVAC CONTROL MODULE HVAC CONTROLS LEFT REAR WINDOW DEFOGGER NOISE FILTER LO SPD SERIAL DATA LOGIC PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PFAF HTD MIRR FUSE RADIO/ HVAC CONTROLS REAR BODY FUSE BLOCK REAR DEFOG RLY CTRL REAR DEFOGGER GRID REAR DEFOGGER IND REAR DEFOGGER RELAY RED/GRY WIRE RIGHT REAR WINDOW DEFOGGER NOISE FILTER

ACCESSORY VOLT ACTIVE SIG ANTENNA SIG 1 HI ANTENNA SIG 1 LO ANTENNA SIG 2 HI ANTENNA SIG 2 LO ANTENNA SIG 3 HI ANTENNA SIG 3 LO ANTENNA SIG HI ANTENNA SIG LO BLK WIRE BLK/GRY WIRE BLU WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/YEL WIRE CENTER CONSOLE FRONT KEYLESS ENTRY ANTENNA COMPUTER DATA LINES SYSTEM DRIVER EXTERIOR DOOR HANDLE ASSEMBLY DRIVER EXTERIOR DOOR HANDLE COURTESY LAMP DRIVER EXTERIOR DOOR HANDLE SWITCH DRV DOOR OPEN SW SIG DRV DR HANDLE SW SIG GMLAN SERIAL DATA GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE IGNITION MODE SWITCH INSTRUMENT PANEL COMPARTMENT KEYLESS ENTRY ANTENNA KEYLESS ENTRY CONTROL MODULE LEFT BODY KEYLESS ENTRY ANTENNA LOW REF LR DR HANDLE SW SIG PASS DR HANDLE SW SIG PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY PASSENGER EXTERIOR DOOR HANDLE COURTESY LAMP PASSENGER EXTERIOR DOOR HANDLE SWITCH PASSIVE START SW SIG 2 POWER DISTRIBUTION SYSTEM RAP RLY 2 COIL CONTROL REAR COMPARTMENT KEYLESS ENTRY ANTENNA REAR FASCIA KEYLESS ENTRY ANTENNA RED WIRE RED/YEL WIRE RIGHT BODY KEYLESS ENTRY ANTENNA RR DR HANDLE SW SIG RUN/CRANK IGN 1 VOLT STEERING COLUMN LOCK SIG BATT POS VOLT VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL/BLU WIRE YEL/GRY 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 HVAC CONTROL MODULE LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW MOTOR 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/YEL WIRE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE

BATTERY FUSE BLOCK BATTERY POSITIVE VOLT BCM 2 FUSE BCM 8 FUSE BLK WIRE BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER LEFT END OF DASH) BRN WIRE BRN/YEL WIRE BUS 3 COMPUTER DATA LINES SYSTEM DOOR DEAD LOCK RELAY DOOR LOCKS SYSTEM DR LOCK ACTUATOR UNLOCK CTRL DR LOCK CTRL DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW SWITCH FUEL DOOR LOCK ACTUATOR FUEL DOOR LOCK RELAY FUEL DR LOCK RELAY CTRL FUSE 3 GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR BODY FUSE BLOCK RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE SECURITY LOCK RELAY CTRL SERIAL DATA BUS 3 UNLOCK SIG W/ LANE ACTIVE SEFETY W/O LANE ACTIVE SEFETY

3.6L, 3.0L TURBO AJAR SW SIG BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BRAKE FLUID LEVEL SWITCH BRK FLUID LVL SENS SIG BRN WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR LOGIC ELECTRONIC BRAKE CONTROL MODULE (LOWER LEFT FRONT OF ENGINE COMPT) ENGINE OIL LEVEL SWITCH ENGINE OIL PRESSURE SENSOR GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HI SPD GMLAN SERIAL DATA (-) (1) LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW MOTOR LOGIC NETWORK BUS 3 NETWORK BUS 4 PARK BRAKE CONTROL SWITCH PARK BRAKE SW SIG PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW MOTOR LOGIC RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW MOTOR LOGIC SIGNAL SW SIG VOL REF WHT WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

2.0L TURBO 3.0L TURBO, 3.6L BATT POSITIVE VOLT BCM 6 FUSE BLK WIRE BLU WIRE BODY CONTROL MODULE (LOWER LEFT END OF DASH) BRN/GRN WIRE COMPUTER DATA LINES SYSTEM 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 STATUS A SIG HOOD STATUS B SIG HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HYBRID 1/ IPC FUSE IMMOBILIZER CONTROL MODULE (UNDER CENTER FLOOR CONSOLE) IMMOBILIZER LOW REF IMMOBILIZER SPLY CTRL INSTRUMENT CLUSTER 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

ANTENNA SIG HIGH ANTENNA SIG LOW BATTERY POSITIVE VOLT BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DETENT LIFTGATE SIG DRIVER INFORMATION CENTER DISPLAY GRN WIRE GRN/BRN WIRE GROUND GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HANDS-FREE LIFTGATE SENSOR CONTROL MODULE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 2 ENERGIZED INSTRUMENT CLUSTER INTERIOR REAR COMPARTMENT LID UNLATCH SWITCH LIFTGATE AJAR SW SIG 2 LIFTGATE ANGLE SENSOR LIFTGATE CLOSE SWITCH LIFTGATE CONTROL MODULE LIFTGATE LATCH ASSEMBLY (CENTER REAR OF LUGGAGE COMPT LID) LIFTGATE MOTOR LIFTGATE MOTOR ASSEMBLY LIFTGATE OPEN/CLOSE MTR CLOSE CTRL LIFTGATE OPEN/CLOSE MTR OPEN CTRL LIFTGATE OPEN/CLOSE MTR LO REF LIFTGATE POSITION LIFTGATE POSITION SENS LO REF LIFTGATE POSITION SENS SIG 1 LIFTGATE POSITION SENS SIG 2 LIFTGATE SHUT FACE SW SIG LIFTGATE UNLATCH SWITCH LO REF LO SPD GMLAN SERIAL DATA LOCAL INTERCONNECT N/W SERIAL DATA BUS 18 LOGIC LOW SPEED GMLAN SERIAL DATA LOWER HANDS-FREE LIFTGATE SENSOR NCA WIRE PWR TRNK MDL FUSE PWR TRUNK FUSE REAR BODY FUSE BLOCK REAR OPEN/ CLOSE SW RED/GRY WIRE RED/VIO WIRE UPPER HANDS-FREE LIFTGATE SENSOR WHT WIRE WHT/BLK WIRE YEL WIRE

BAT POS VOLT BCM 1 FUSE BLK WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER LEFT END OF DASH) COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY EXTERIOR REAR COMPARTMENT LID UNLATCH SWITCH GROUND GRY WIRE GRY/GRN WIRE GRY/YEL WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES INTERIOR REAR COMPARTMENT LID UNLATCH SWITCH LIFTGATE AJAR SWITCH SIGNAL 1 LIFTGLASS/REAR COMPT LID INTERIOR RELEASE SIGNAL LIFTGLASS/REAR COMPT LID MOTOR LOGIC INSTRUMENT CLUSTER LOW SPEED GMLAN SERIAL DATA 2 REAR BODY FUSE BLOCK REAR CLOSR FUSE REAR CLOSURE HANDLE SWITCH OPEN SIGNAL REAR COMPARTMENT LID LATCH REAR COMPARTMENT LID UNLATCH RELAY RED WIRE RED/VIO WIRE RELEASE CONTROL VIO WIRE VIO/BLU WIRE VIO/GRY WIRE WHT WIRE YEL WIRE YEL/BLU WIRE

BATT POS VOLT BCM 6 FUSE BLK WIRE BLK/ORG WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT END OF DASH) BRAKE FLUID LEVEL SWITCH (ON BRAKE FLUID RESERVOIR) BRAKE IND BRK FLUID LEVEL SENS SIG BRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY DOOR AJAR IND DRIVER DOOR LATCH ASSEMBLY DRIVER SEAT BELT SWITCH DRIVER SEAT BELT BUCKLE DRV SEAT BELT SW LOW REF DRV SEAT BELT SW SIG ELECTRONIC BRAKE CONTROL MODULE (LOWER LEFT FRONT OF ENGINE COMPT) GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE HEAD HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER CENTER FLOOR CONSOLE) INSTRUMENT CLUSTER LEFT REAR DOOR LATCH ASSEMBLY LF DOOR AJAR SW SIG LOGIC LOGIC DRIVER WINDOW MOTOR LOGIC LEFT REAR WINDOW MOTOR LOGIC PASSENGER WINDOW MOTOR LOGIC RIGHT REAR WINDOW MOTOR LR DOOR AJAR SW SIG OFF OFF SIG CTRL ORG/BRN WIRE PARK AUTO PARK BRAKE CONTROL SWITCH PARK BRK APPLY SW SIG PARK BRK APPLY SW VOLT REF PARK BRK RELEASE SW SIG PARK BRK SW SIG PARK BRK SW SPLY VOLT PARK LAMP SIG PARK RELEASE SW VOLT REF PASSENGER DOOR LATCH ASSEMBLY RADIO REAR BODY FUSE BLOCK REAR COMPARTMENT LID LATCH RED/WHT WIRE RF DOOR AJAR SW SIG RIGHT REAR DOOR LATCH ASSEMBLY RR DOOR AJAR SW SIG SEAT BELT IND SER DATA SER DATA (+) 2 SER DATA (-) (1) SER DATA BUS 3 SER DATA BUS 4 SERIAL DATA SERVICE PARK BRAKE IND SW ON SIG SW SIG 1 TIRE PRESSURE IND TURN SIGNAL/MULTI-FUNCTION SWITCH VIO/GRY WIRE W/O SUPER CRUISE PACKAGE W/ SUPER CRUISE PACKAGE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/RED WIRE