Cadillac CT6 I (2016-2019) underhood fuse block Wiring diagrams

2.0L TURBO 3.6L, 3.0L TURBO ACCESSORY WAKEUP SERIAL DATA B+ VOLT BCM 1 FUSE BCM 2 FUSE BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLU WIRE BRAKE/ BRN WIRE BRN/WHT WIRE CLUTCH A CTRL CLUTCH B CTRL CLUTCH C CTRL CLUTCH D CTRL (PINS: 4 TO 6 NOT USED) 7 TRANS POSITION SENS B CLUTCH E CTRL COMPUTER DATA LINES SYSTEM DATA DRIVER INFORMATION CENTER DISPLAY GMLAN SERIAL DATA (-) (1) (PINS: 39 TO 46 NOT USED) GMLAN SERIAL DATA (-) (1) (PINS: 55 TO 58 NOT USED) 59 GMLAN SERIAL DATA - 1 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IMS MODE SW LO REF IN SPD SIG INSTRUMENT CLUSTER LIN BUS 2 LOGIC TRANSMISSION SHIFT LEVER POSITION INDICATOR MOST SERIAL NON/ WALK FUSE OUT SPD SIG PARK POSITION SWITCH POWER DISTRIBUTION SYSTEM PRNDL A SIG PRNDL B SIG PRNDL C SIG PRNDL P SIG PRNDL S SIG RAP GND RELAY COIL CONTROL REAR BLWR TCM FUSE REAR BODY FUSE BLOCK RED WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RUN/CRANK IGNITION 1 VOLT SIG GND TCC ON/OFF SOLENOID A CTRL TCC ON/OFF SOLENOID B CTRL TRANS CLUTCH G CTRL TRANS CLUTCH H CTRL TRANS HI SIDE DRV 1 SIG DRV TRANS HI SIDE DRV 2 SIG TRANS IGN FUSE TRANS INTERMEDIATE SPD SIG TRANS OIL TEMP SENS LO REF (PINS: 29 TO 32 NOT USED) TRANS OIL TEMP SENS SIG TRANS POSITION SENS A (PINS: 9 TO 12 NOT USED) 13 TRANSMISSION CONTROL MODULE TRANSMISSION MANUAL SHIFT SWITCH TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/WHT WIRE VIO/YEL WIRE W/O SUPER CRUISE PACKAGE W/ SUPER CRUISE PACKAGE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

ACCESSORY WAKEUP SERIAL DATA BATTERY POSITIVE VOLT BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE CLUTCH A CTRL CLUTCH B CTRL CLUTCH D CTRL COMPUTER DATA LINES SYSTEM GRN/GRY WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE HI SPD GMLAN SERIAL DATA (+) (3) HI SPD GMLAN SERIAL DATA (+) 3 PRNDL B SIG HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) 1 PRNDL P SIG HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IMS MODE SW LO REF OUT SPD SIG PRNDL A SIG PRNDL C SIG REAR BODY FUSE BLOCK RED/GRN WIRE RUN/CRANK IGN 1 VOLT SIG GND TCC ON/OFF SOLENOID A CTRL TCM FUSE TRANS CLUTCH F CTRL TRANS CLUTCH G CTRL TRANS CLUTCH H CTRL TRANS HI SIDE DRV 1 SIG DRV TRANS HI SIDE DRV 2 SIG TRANS IGN FUSE TRANS OIL TEMP SENS LO REF TRANS OIL TEMP SENS SIG TRANS POSITION SENS B TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL/GRN WIRE

360- AUTOMATIC TRANSMISSION ASSEMBLY BATT POSITIVE VOLT BCM 1 FUSE BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CRANKSHAFT POSITION SENS REPLICATED SIG DRIVE MOTOR 1 DRIVE MOTOR 2 DRIVE MOTOR CONTROL MODULE 1 DRIVE MOTOR CONTROL MODULE 2 DRIVE MOTOR POSITION SENSOR 1 DRIVE MOTOR POSITION SENSOR 2 ELECTRIC/ AUXILIARY TRANSMISSION FLUID PUMP ELECTRIC/AUXILIARY TRANSMISSION FLUID PUMP CONTROL MODULE GMLAN SER DATA (+) 2 ACC WAKEUP SER DATA 2 GMLAN SER DATA (-) (2) GMLAN SER DATA - (1) GMLAN SER DATA 3 GRN WIRE GRN/BRN WIRE GRY WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES HYBRID/EV BATTERY CONTACTOR ASSEMBLY HYBRID/EV BATTERY NEGATIVE CONTACTOR HYBRID/EV BATTERY PACK (UNDER REAR WINDOW SHELF) HYBRID/EV BATTERY POSITIVE CONTACTOR HYBRID/EV POWERTRAIN CONTROL MODULE 1 IMS MODE SW LO REF MGU PHASE U CONTROL MGU PHASE V CONTROL MGU PHASE W CONTROL NCA WIRE ORG/ WIRE POWER INVERTER MODULE (BEHIND RIGHT FRONT STRUT TOWER) RED WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RESOLVER 1 EXCITATION SIG NEG RESOLVER 1 EXCITATION SIG POS RUN/CRANK IGN 1 VOLT SPD DIRECTION 2 SIG A OUT (-) SPD DIRECTION SENS 2 SIG A SPD DIRECTION 2 SIG B OUT (-) SENS 2 SIGNAL B TAN WIRE TPIM 1 FUSE TPIM 2 FUSE TRANS IMS MODE SW S BIT SIG TRANSMISSION INTERNAL MODE SWITCH UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

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 F RDR FUSE FRONT OBJECT SENS CTRL 1 FRONT OBJECT SENS CTRL 2 FRONT OBJECT SENS CTRL 2 BATT POS VOLT GRN WIRE GRN/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE HI SPD GMLAN SERIAL DATA (+) 4 HI SPD GMLAN SERIAL DATA (-) (2) HI SPD GMLAN SERIAL DATA (-) 1 HI SPD GMLAN SERIAL DATA (-) 8 HI SPD GMLAN SERIAL DATA (-) 8 HI SPD GMLAN SERIAL DATA (-) 1 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 SAFETY FUSE SIG GND STEERING WHEEL AIR BAG COIL UNDERHOOD FUSE BLOCK VIO/WHT WIRE W/ BRAKE PREFILL, INTELLIGENT BRAKE ASSIST EXCEPT HYBRID HYBRID W/O BRAKE PREFILL, INTELLIGENT BRAKE ASSIST WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WINDSHIELD FRONT VIEW CAMERA

AMBIENT LIGHT SENSOR SIG BATT POS VOLT BATTERY FUSE BLOCK BCM 3 FUSE BCM 4 FUSE BLK WIRE BLU WIRE BODY CONTROL MODULE (LOWER LEFT END OF DASH) BRN/VIO WIRE COMPUTER DATA LINES SYSTEM FUSE 8 GRN WIRE GROUND HDLP DIMMER SW HI BEAM SIG HDLP HI BEAM RELAY CTRL HDLP HI LT/RT FUSE HDLP RELAY COIL CTRL HDLP RELAY CTRL HDLP SW FLASH TO PASS SIG HDLP SW HDLPS OFF SIG CTRL HDLP SW ON SIG HEADLAMP HIGH BEAM RELAY HEADLAMP RELAY HI BEAM AUTO ON/OFF SW SIG HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL FUSE BLOCK IPC FUSE LED LGT BAT FUSE LEFT HDLP LOW BEAM CTRL LEFT HEADLAMP LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP CONTROL MODULE LEFT HEADLAMP COOLING FAN NCA WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLU WIRE RED/GRY WIRE RIGHT HDLP LOW BEAM CTRL RIGHT HEADLAMP RELAY UNDERHOOD AUXILIARY FUSE BLOCK UNDERHOOD FUSE BLOCK VIO/GRY WIRE VIO/WHT WIRE W/O SUPER CRUISE PACKAGE W/ SUPER CRUISE PACKAGE WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BRN WIRE

BATTERY FUSE BLOCK BLK WIRE BODY CONTROL MODULE BRN/GRY WIRE BRN/WHT WIRE FUSE 8 GRN/WHT WIRE HORN ASSEMBLY HORN FUSE HORN RELAY HORN RLY CTRL HORN SW SIG HORN SWITCH HOT AT ALL TIMES NCA WIRE RED WIRE STEERING WHEEL AIR BAG COIL UNDERHOOD AUXILIARY FUSE BLOCK UNDERHOOD FUSE BLOCK

"CHECK ENGINE" IND CTRL ABS IND. AFL LIGHT IND AIR BAG IND AUTO HIGH BEAM IND AUTO STOP IND BATT POS VOLT BATTERY FUSE BLOCK BCM 1 FUSE BLK WIRE BRAKE IND BRN/WHT WIRE CHARGE IND CHARGING GAUGE COLLISION ALERT LED CTRL COMPUTER DATA LINES SYSTEM CRUISE IND (W/ MULTI COLOR GRAPHIC) DISPLAY (W/ MULTI COLOR GRAPHIC) DISPLY FUSE DOOR AJAR IND DRIVER INFORMATION CENTER DISPLAY ENGINE COOLANT TEMP IND ENGINE COOLANT TEMPERATURE GAUGE ENGINE OIL GAUGE ENGINE OIL PRESSURE IND ESC IND ESC OFF IND FUEL GAUGE FUEL IND FUSE 3 FUSE 7 GRN/BLK WIRE GRN/GRY WIRE GRY WIRE GRY/GRN WIRE GRY/VIO WIRE HEAD-UP DISPLAY CIRCUIT HEAD-UP DISPLAY SIG HIGH BEAM LAMP IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HYBRID EXCEPT HYBRID W/O SUPER CRUISE PACKAGE W/ SUPER CRUISE PACKAGE INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK KM/H MPH GAUGE KM/H MPH IND L-GY LANE DEPARTURE WARNING IND LANE KEEP ASSIST IND LED DISPLAY DIM CTRL LEFT TURN IND LOGIC LOW SPD GMLAN SERIAL DATA 2 MOST SERIAL DATA (+) LOW WASHER FLUID IND CTRL LVDS MALFUNCTION IND MOST CTRL LOW SPD GMLAN SERIAL DATA 2 MOST SERIAL DATA (+) NAVIGATION SYSTEM NIGHT VISION NIGHT VISION CIRCUIT PARK IND PARK LAMP IND POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR BODY FUSE BLOCK RED WIRE RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT TURN IND RPM IND RUN/CRANK IGN 1 VOLT SEAT BELT IND SECURITY IND SENS REPLICATED SIG SERIAL DATA BUS 12 SERVICE PARK BRAKE IND SPEEDOMETER START/STOP SYSTEM FUNCTION IND TIRE PRESSURE IND TRACTION CONTROL OFF IND UNDERHOOD FUSE BLOCK VEHICLE AHEAD IND VIO WIRE VIO/GRY WIRE WHT WIRE WHT/GRN WIRE WHT/VIO WIRE WIPER/ WASHER SYSTEM

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

2.0L TURBO 3.0L TURBO 3.6L, 3.0L TURBO ACC WAKEUP SERIAL DATA AUTOMATIC TRANSMISSION ASSEMBLY AUXILIARY UNDERHOOD FUSE BLOCK BATTERY BATTERY FUSE BLOCK BATTERY POSITIVE VOLT BATTERY SENSOR MODULE BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BODY CONTROL MODULE (LOWER LEFT END OF DASH) COMPUTER DATA LINES SYSTEM ECM IGN FUSE ENABLE RLY CTRL ENGINE CONTROL MODULE EXCEPT HYBRID EXCEPT HYBRID HYBRID FUSE 3 FUSE 7 FUSE 8 GMLAN SERIAL DATA - 1 GROUND GRY/WHT WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT IGN MODE SW VOLT IGNITION MODE SWITCH LO REF NCA WIRE PARK/NEUTRAL SIG (1) POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (RIGHT SIDE OF LUGGAGE COMPT) REAR BODY FUSE BLOCK RED WIRE RED/GRY WIRE RED/WHT WIRE RLY CTRL RUN/ CRNK MISC FUSE RUN/CRANK IGN 1 VOLT SERIAL DATA (+) (3) SERIAL DATA (+) 1 PRNDL P SIG SERIAL DATA (-) (1) STARTER MOTOR STARTER PINION SOLENOID ACTUATOR RELAY STARTER RELAY STRTR 1 FUSE STRTR 2 FUSE TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION INTERNAL MODE SWITCH (HYBRID) UNDERHOOD FUSE BLOCK VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/GRY WIRE YEL WIRE YEL/GRN WIRE YEL/VIO WIRE

ACCESSORY WAKEUP SERIAL DATA B+ VOLT BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COUNTER CLOCKWISE CTRL DRIVER INFORMATION CENTER DISPLAY GMLAN SERIAL DATA - 1 GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INCREMENTAL ENCODER DIR SIG INCREMENTAL ENCODER IMPULSE SIG INCREMENTAL ENCODER SENS LOW REF INSTRUMENT CLUSTER LO SPD GMLAN SERIAL DATA 2 LOGIC LOW REF NCA WIRE OIL TEMP SENS SIG POWER DISTRIBUTION SYSTEM RED/WHT WIRE RUN/CRANK IGN 1 VOLT SIG GND TCCM FUSE TRANS IGN FUSE TRANS OIL TEMP SENS LOW REF TRANS OIL TEMP SENS SIG TRANSFER CASE CONTROL MODULE (CENTER REAR OF ENGINE COMPT) TRANSFER CASE FLUID TEMPERATURE SENSOR TRANSFER CASE MOTOR (REAR OF TRANSMISSION) TRANSFER CASE MTR CLOCKWISE CTRL UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/GRY WIRE YEL/VIO WIRE