Cadillac CT5 I (2019-2024) (right radiator support) Wiring diagrams

2.0L TURBO 3.0L AUTOSAR CAN BUS (+) SER DATA AUTOSAR CAN BUS (-) 2 SER DATA AUXILIARY TRANS OIL PUMP CTRL BATTERY POSITIVE VOLT BLK/BRN WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/WHT WIRE CLUTCH C CTRL CLUTCH D CTRL CLUTCH E CTRL CLUTCH SOLENOID CONTROL COMPUTER DATA LINES SYSTEM DEFAULT DISABLE SOL CTRL ENGINE CONTROL MODULE (FRONT LEFT OF ENGINE COMPT) ENGINE WIRING HARNESS JUNCTION BLOCK ETRS OUT OF PARK SW 2 SIG ETRS OUT OF PARK SW SIG ETRS PRESS SW SIG GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IN SPD SIG INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIN BUS 1 OUT SPD SIG PARK INHIBIT SOL CTRL POWER DISTRIBUTION SYSTEM RED/GRN WIRE RUN/CRANK IGNITION 1 VOLT TRANS CLUTCH F CTRL TRANS CLUTCH G CTRL TRANS CLUTCH H CTRL TRANS HI SIDE DRIVER 1 CTRL TRANS HI SIDE DRIVER 2 CTRL TRANS IN SPD SENS SIG TRANS INTERMEDIATE SPD SIG TRANS LINE PRESS SOL CTRL TRANS OIL TEMP SENS LO REF TRANS OIL TEMP SENS SIG TRANSMISSION CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

AUTOMATIC TRANSMISSION BLK WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRY WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRIC/ AUXILIARY TRANSMISSION FLUID PUMP ENGINE WIRING HARNESS JUNCTION BLOCK GEAR SHIFT CONTROL MODULE GRN WIRE GRN/GRY WIRE GRN/ORG WIRE GRN/VIO WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BRN WIRE GRY/ORG WIRE HOT AT ALL TIMES IGNITION 1 VOLT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC NCA WIRE ORG/ WIRE POWERTRAIN SENS BUS ENABLE RED/WHT WIRE SERIAL DATA SERIAL DATA (+) (3) SERIAL DATA (-) BATTERY POS VOLT TRANSMISSION CONTROL SOLENOID VALVE 7 TRANSMISSION CONTROL SOLENOID VALVE 8 TRANSMISSION PARK VALVE LOCK SOLENOID ACTUATOR VIO/BLK WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE

2.0L TURBO 3.0L TURBO BATTERY BATTERY DISTRIBUTION ENGINE COMPT FUSE BLOCK BATTERY DISTRIBUTION FUSE BLOCK BATTERY MONITOR MODULE BLK WIRE BLK/WHT WIRE BLU/GRY WIRE BRN WIRE BRN/BLU WIRE BUS (-) SERIAL DATA BUS 7 (-) CHARGE IND CHARGE IND CTRL COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE GENERATOR GENERATOR FIELD DUTY CYCLE SIG GRN/YEL WIRE GRY WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RUN/CRANK IGN 1 VOLT 21 RUN/CRANK IGN 1 VOLT 4 VIO/BLK WIRE VIO/GRN WIRE WHT WIRE

2.0L TURBO 3.0L TURBO ACT CTRL CLS ACT CTRL OPN BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ENGINE COOLANT TEMPERATURE SENSOR 1 ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR 3 ENGINE COOLANT TEMPERATURE SENSOR 4 ENGINE WIRING HARNESS JUNCTION BLOCK GND 61 GRN/BLU WIRE GRN/YEL WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT 4 INLET TEMP SIG INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LATE PRODUCTION LIN BUS 4 LO REF 2 MANIFOLD TEMP SIG OUTLET TEMP SIG RADIATOR COOLANT TEMPERATURE SENSOR RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT SIDE OF RADIATOR) SENS 5 VOLT REF 1 SENS LO REF 1 SENS LO REF 2 TCM IGN/ECM IGN (EARLY PRODUCTION) TCM IGN/ECM IGN/ SHIFT IGN/ BRAKE IGN TEMP SENS 2 SIG TEMP SENS SIG TEMP SIG VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VLV POS SIG WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

2.0L 3.0L 3.0L 2.0L ACCEL PEDAL POS SIG 1 ACCEL PEDAL POS SIG 2 ACCELERATOR PEDAL POSITION SENSOR (TOP OF ACCELERATOR PEDAL ASSEMBLY) ACCL PEDAL POS 5 VOLT REF 1 ACCL PEDAL POS 5 VOLT REF 2 ACCL PEDAL POS LOW REF 1 ACCL PEDAL POS LOW REF 2 AUTO START BUS (-) 2 SERIAL DATA AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (-) 2 SERIAL DATA GND BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER RIGHT SIDE OF DASH) BRK APPLY SENS CTRL BRK APPLY SENS LOW REF BRK APPLY SENS SIG BRK POS SENS SIG BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CHARGE AIR COOLER COVER CONNECTOR COMPUTER DATA LINES SYSTEM CRUISE CTRL SET/COAST/ RES/ACC SW SIG CRUISE/ETC/TCC BRAKE SIGNAL DISTANCE SENSING CRUISE CNTRL GAP UP/DOWN SW SIG ENGINE CNTRL SENS 5 VOLT REF 1 ENGINE CNTRL VEHICLE SENS LOW REF 1 ENGINE CONTROL MODULE GRN/WHT WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIGHTING CONTROL MODULE (RIGHT SIDE OF DASH) LOGIC RED WIRE RED/BLU WIRE RUN/CRANK IGN 1 VOLT STEERING WHEEL RESISTOR LADDER LOW REF THRTL ACTR CTRL CLOSE THRTL ACTR CTRL OPEN THRTL POS SENS 5 VOLT REF THRTL POS SENS LOW REF THRTL POS SENS SENT 1 SIG VIO/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

2.0L TURBO 3.0L TURBO 3.0L TURBO, 2.0L TURBO 3.0L TURBO, W/ ELECTRONIC SLIP AXLE POSITRACTION 3.0L TURBO, W/O ELECTRONIC SLIP AXLE POSITRACTION BACKUP REAR FASCIA AUXILIARY SIGNAL LAMP BANK 1 MASS AIRFLOW SENSOR BANK 2 MASS AIRFLOW SENSOR BLK WIRE CYLINDER DEACTIVATION EXHAUST CONTROL VALVE ACTUATOR DIFFERENTIAL CONTROL MODULE ENGINE CONTROL MODULE ENGINE OIL LEVEL INDICATOR SWITCH LEFT REAR BODY STRUCTURE STOP LAMP LEFT SHORT RANGE RADAR REAR SIDE SENSOR LEFT SIDE OBSTACLE DETECTION CONTROL MODULE LEFT SOUND QUALITY EXHAUST CONTROL VALVE ACTUATOR MASS AIRFLOW SENSOR MULTI-FUNCTION POWER SUPPLY CONVERTER NCA WIRE REAR BODY WIRING HARNESS JUNCTION BLOCK REAR DEFOGGER RELAY REAR CLOSURE HANDSFREE LAMP REAR CLOSURE HANDSFREE MODULE REAR SHORT RANGE RADAR SENSOR RIGHT REAR BRAKE PAD WEAR SENSOR RIGHT SHORT RANGE RADAR REAR SIDE SENSOR RIGHT SIDE OBSTACLE DETECTION CONTROL MODULE RIGHT SOUND QUALITY EXHAUST CONTROL VALVE ACTUATOR SOUND QUALITY EXHAUST CONTROL VALVE ACTUATOR SUSPENSION CONTROL MODULE TRANSFER CASE CONTROL MODULE TRANSMISSION CONTROL MODULE UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 2 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 4 W/ KEEP ASSIST LANE ACTIVE SAFETY W/ OBSTACLE DETECTION ENHANCED SIDE ACTIVE SAFETY W/ SMART PHONE VEHICLE INTERFACE W/O OBSTACLE DETECTION ENHANCED SIDE ACTIVE SAFETY WHT WIRE

2.0L TURBO 3.0L TURBO AMBIENT AIR TEMP SENS SIG AMBIENT AIR TEMPERATURE SENSOR AUTOSAR CAN BUS (+) 2 SERIAL DATA BATT POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL INDICATOR SWITCH ENGINE OIL PRESSURE SENSOR ENGINE OIL TEMPERATURE SENSOR ENGINE WIRING HARNESS JUNCTION BLOCK FUEL PUMP POWER CONTROL MODULE FUEL SENS 2 LO REF PRIMARY FUEL LEVEL SENS SIG FUEL SENS LO REF HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOW REF LOW REF (1) OIL LEVEL SW SIG OIL PRESS SENS SIG OIL PRESSURE SNSE SIG OIL TEMP SENS SIG PRESS SENS 5 VOLT REF PRIMARY FUEL LEVEL SENSOR FUEL TANK, FUEL PUMP MODULE PRIVATE SERIAL DATA POWERTRAIN CAN BUS (+) PRIVATE SERIAL DATA POWERTRAIN CAN BUS (-) SECONDARY FUEL LEVEL SENS SIG RED/WHT WIRE SECONDARY FUEL LEVEL SENSOR SENS LOW REF 1 TEMP SENS SIG VIO WIRE VIO/BLU WIRE WHT WIRE WHT/BRN WIRE WHT/RED WIRE YEL/BRN WIRE

2.0L TURBO 3.0L TURBO BATT POS VOLT BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BODY CONTROL MODULE (LOWER RIGHT SIDE OF DASH) BUS (+) 1 SERIAL DATA BUS (-) 2 SERIAL DATA BUS (-) SERIAL DATA COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE GRN WIRE GRN/BLK WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN MODE SW MODE SIG IGN MODE SW SIG 2 INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK MULTI-FUNCTION POWER SUPPLY CONVERTER ON/OFF VEHICLE SWITCH PASSIVE START SW 2 LOW REF POWER DISTRIBUTION SYSTEM PWR MODULE WAKEUP SIG REAR BODY WIRING HARNESS JUNCTION BLOCK RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RUN/CRANK IGN 1 VOLT 4 SERIAL DATA GATEWAY MODULE (LOWER LEFT SIDE OF DASH) SIG GND STARTER ENABLE RLY CTRL STARTER PINION SOL RLY CTRL VIO/GRN WIRE WHT WIRE YEL/BLK WIRE YEL/VIO WIRE

A/C COMPRESSOR CLUTCH RLY CTRL A/C REFRIGERANT PRESS SENS SIG ACCELERATOR PEDAL POS LO REF 1 ACCELERATOR PEDAL POS LO REF 2 ACCELERATOR PEDAL POS SIG 1 ACCELERATOR PEDAL POS SIG 2 AIR CONDITIONING SYSTEM AMBIENT AIR TEMP SENS SIG ANTI-THEFT SYSTEM AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (+) 3 SERIAL DATA BATT POS VOLT 4 BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE POS SENS SIG BRN/BLU WIRE BRN/RED WIRE CAMSHAFT EXHAUST LOBE AXIAL POS SIG 1 CAMSHAFT EXHAUST LOBE AXIAL POS SIG 2 CAMSHAFT EXHAUST STEPPER CYLINDER 2 FRONT SOL CTRL CAMSHAFT EXHAUST STEPPER CYLINDER 2 POS SIG CAMSHAFT EXHAUST STEPPER CYLINDER 2 REAR SOL CTRL CAMSHAFT EXHAUST STEPPER CYLINDER 3 FRONT SOL CTRL CAMSHAFT EXHAUST STEPPER CYLINDER 3 POS SIG CAMSHAFT EXHAUST STEPPER CYLINDER 3 REAR SOL CTRL CAMSHAFT INTAKE LOBE AXIAL POS SIG 1 CAMSHAFT INTAKE LOBE AXIAL POS SIG 2 CAMSHAFT INTAKE STEPPER CYLINDER 4 CTRL CAMSHAFT INTAKE STEPPER CYLINDER 4 POS SIG CAMSHAFT POS MOTOR CONTROL A CAMSHAFT POS MOTOR CONTROL B CAMSHAFT POS MOTOR CONTROL C CAMSHAFT POS MOTOR CONTROL D CAMSHAFT POS MOTOR POS SENSOR 1 SIG CAMSHAFT POS MOTOR POS SENSOR 2 SIG CAMSHAFT POS SENSOR 2 GROUND COMPUTER DATA LINES SYSTEM DRIVELINE MOUNT ACTUATOR 1 CTRL ENGINE CONTROL MODULE (FRONT LEFT OF ENGINE COMPT) ENGINE CONTROL MODULE GROUND 61 ENGINE CTRL MODULE LIN BUS 4 FUEL PUMP PRIMARY RLY CTRL GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BRN WIRE GRY/YEL WIRE HOOD STATUS A SIG MASS AIR FLOW SENS SIG POWERTRAIN MAIN RLY FUSED SUPLY 1 POWERTRAIN MAIN RLY FUSED SUPLY 2 POWERTRAIN RLY COIL CTRL PRIVATE SERIAL DATA POWERTRAIN CAN BUS (+) SERIAL DATA RED/BRN WIRE RUN/CRANK IGNITION 1 VOLT 4 STARTER ENABLE RLY CTRL STARTER PINION SOL ACTUATOR RLY CTRL STARTING/ CHARGING SYSTEM STEP CAM A CTRL STEP CAM B CTRL VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM CRANKCASE PRESSURE SENSOR EVAPORATIVE EMISSION CANISTER PURGE PUMP GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE INTAKE CAMSHAFT PROFILE ACTUATOR 1 INTAKE CAMSHAFT PROFILE ACTUATOR 2 INTAKE CAMSHAFT PROFILE ACTUATOR 3 INTAKE CAMSHAFT PROFILE ACTUATOR 4 LOGIC MASS AIRFLOW SENSOR RED/BLU WIRE VIO/BLU WIRE VIO/GRY WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE