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

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

ACCESSORY WAKEUP SERIAL DATA ACTIVE SAFETY CONTROL MODULE 1 BATT POS VOLT BLK WIRE BLK/BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DISPLAY INFORMATION CENTER DISPLAY DMM/ SRR SNR RF FUSE DRIVER SIDE OBJECT LED SIG 1 EOCM FUSE FLEXRAY COMMUNICATION ENABLE FLEXRAY SERIAL DATA (+) (4) FLEXRAY SERIAL DATA (+) (8) FLEXRAY SERIAL DATA (+) (9) FLEXRAY SERIAL DATA (-) (7) FRONT OBJECT SENS CTRL 1 GRN WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/YEL 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 HOT W/ IGNITION MAIN RELAY ENERGIZED INERTIA SENS 1 SPLY VOLT INSTRUMENT CLUSTER LANE DEPARTURE WARNING IND CTRL LANE KEEP ASSIST IND LANE KEEP ASSIST SWITCH LEFT LOWER STEERING WHEEL CONTROLS SWITCH LF RR SR/CIPM FUSE LO SPD GMLAN SERIAL DATA LOGIC MISC RC FUSE MOST SERIAL DATA (-) MOST SERIAL DATA (+) MULTI-AXIS ACCELERATION SENSOR 1 NAVIGATION SYSTEM PASSENGER SIDE OBJECT LED SIG 1 REAR BODY FUSE BLOCK REAR PARK ASSIST DISABLE SIGNAL REAR PARK ASSIST LED DISABLE SIG RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RUN/CRANK IGN 1 VOLT SPLY BATT ISOLATOR STATUS SRR SNR LR FUSE STEERING WHEEL AIR BAG COIL SUPPLY BATT LO REF VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE

BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU/VIO WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM FLEXRAY COMMUNICATION ENABLE FLEXRAY SERIAL DATA (+) (10) FLEXRAY SERIAL DATA (+) (4) FLEXRAY SERIAL DATA (+) (5) FLEXRAY SERIAL DATA (+) (8) FRONT OBJECT SENS CTRL 1 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (+) 4 LEFT FRONT SHORT RANGE RADAR SENSOR MODULE LEFT REAR SHORT RANGE RADAR SENSOR MODULE LONG RANGE RADAR SENSOR MODULE (BEHIND CENTER OF LOWER FRONT GRILLE) REAR MIDDLE SHORT RANGE RADAR SENSOR MODULE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT SHORT RANGE RADAR SENSOR MODULE RIGHT REAR SHORT RANGE RADAR SENSOR MODULE SIG GND VIO/GRY WIRE VIO/WHT WIRE WHT WIRE

ACCESSORY WAKEUP SERIAL DATA ACTIVE SAFETY CONTROL MODULE 2 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 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 FUSE 9 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 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

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

AMBIENT LIGHT/ SUNLOAD SENSOR AUTO AUTO HIGH AUTO HIGH BEAM SWITCH BATTERY FUSE BLOCK BEAM IND BEAM LAMP IND BLK WIRE BLK/WHT WIRE COMPUTER DATA COMPUTER DATA LINES SYSTEM FTP FUSE 1 FUSE 9 GMLAN GRN WIRE HEAD HOT AT ALL TIMES HVAC CONTROL MODULE IGNITION 1 INSTRUMENT CLUSTER LEFT HEADLAMP RELAY LINES SYSTEM LO REF LOGIC LOW SPD MULTI-FUNCTION ENERGY STORAGE CAPACITOR CONTROL MODULE N/A NCA WIRE OFF PARK R SUB FUSE REAR BODY FUSE BLOCK RED WIRE RED/GRY WIRE RIGHT HEADLAMP RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP CONTROL MODULE RIGHT HEADLAMP COOLING FAN RUN/CRANK SER DATA SERIAL DATA TURN SIGNAL/ MULTI-FUNCTION SWITCH VIO/GRY WIRE VIO/WHT WIRE VOLTAGE WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BRN WIRE

BATT POS VOLT BATT POS VOLT BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE COMPUTER DATA LINES SYSTEM DATA DISPLY FUSE EXCEPT HYBRID HYBRID FUSE 3 GRN/BLK WIRE GROUND GRY/VIO WIRE GY LVDS HUD SIG HEAD-UP DISPLAY HEAD-UP DISPLAY SWITCH HEADLAMP ON HOT AT ALL TIMES HUD HUD SIG HUD SW LOW REF HUD SW SIG INFO INSTRUMENT PANEL FUSE BLOCK LIN SERIAL DATA BUS 12 LOGIC INSTRUMENT CLUSTER LVDS MOST SERIAL POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER RED WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE WHT WIRE WHT/GRN WIRE YEL WIRE

"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

"CHECK ENGINE" IND CTRL 2.0L TURBO, 2.0L PLUG-IN HYBRID 3.6L 3.0L TURBO EXCEPT HYBRID HYBRID AMBIENT AIR TEMP SENS AMBIENT AIR TEMP SENS SIG AMBIENT AIR TEMPERATURE SENSOR AMBIENT LOW REF BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER LEFT END OF DASH) BRAKE/ BRN/GRN WIRE BRN/WHT WIRE BUS 12 CAMSHAFT POS SENS REPLICATED SIG COMPUTER DATA LINES SYSTEM DOWN ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) ENGINE CONTROLS SYSTEM FUEL PUMP, LEVEL SENSOR ASSEMBLY GMLAN SERIAL DATA GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRY/VIO WIRE HYBRID/EV POWERTRAIN CONTROL MODULE 2 LEFT LIFTGATE AJAR SW SIG 1 LOGIC LOGIC RIGHT UPPER STEERING WHEEL CONTROLS SWITCH NETWORK NETWORK BUS 2 OIL LVL SW SIG OIL PRESS SENS LOW REF OIL PRESS SENS SIG PRESS SENS 5 VOLT REF PRIMARY FUEL LEVEL SENSOR PRIMARY FUEL LVL SENS RAP RELAY COIL CTRL REAR COMPARTMENT LID LATCH RED/VIO WIRE RIGHT SEC FUEL LVL SENS SIG SECONDARY FUEL LEVEL SENSOR FUEL LEVEL SENSOR ASSEMBLY SEL SERIAL DATA SIG GND TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LEVER POSITION INDICATOR VIO WIRE VIO/GRY WIRE VOL (-) WHT WIRE WHT/RED WIRE YEL/BRN WIRE

BATT POS VOLT BATT POS VOLT BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLU/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY EXCEPT HYBRID HYBRID FUSE 3 GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK L-GY LVDS NIGHT VISION SIG LVDS LOGIC LVDS LVDS BU LVDS L-GY MOST SER DATA (+) NIGHT VISION CAMERA NIGHT VISION CAMERA CONTROL MODULE NIGHT VISION SIG POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE SENS CTRL 2 SER DATA (-) 4 VPM NV FUSE WHT WIRE WHT/GRN WIRE