Cadillac CT5 I (2019-2024) engine control module Wiring diagrams

2.0L TURBO 3.0L TURBO ABS IND. AUTO HOLD IND AUTO HOLD SWITCH AUTOSAR CAN BUS SER DATA (-) 2 BATTERY POSITIVE VOLTAGE BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER RIGHT SIDE OF DASH) BRAKE IND BRAKE PEDAL POSITION SENSOR BRK APPLY SENS LOW REF BRK APPLY SENS SIG BRK APPLY SENS VOLTAGE REF BRK POSITION SENS SIG COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY DRIVER MODE 1 SW SIG ENGINE CONTROL MODULE ENGINE CTRL SENS 5 VOLT REF ESC IND GRN/GRY WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC NCA WIRE PARKING BRAKE CONTROL SWITCH POWER DISTRIBUTION SYSTEM RED/BRN WIRE RED/VIO WIRE RIGHT REAR BRAKE PAD WEAR SENSOR SENS LOW REF SER DATA POWERTRAIN CAN BUS (+) STEERING WHEEL AIR BAG COIL STEERING WHEEL RADIO CONTROL SWITCH SW SIG TRACTION CONTROL OFF IND TRACTION CTRL SW SIG VEHICLE HOLD INDICATOR CTRL VEHICLE STABILITY CONTROL SYSTEM SWITCH VIO/BLK WIRE VSC OFF SWITCH WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL/BRN WIRE

2.0L TURBO 3.0L TURBO AUTOSAR CAN BUS (-) 2 SER DATA BLK WIRE BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/VIO WIRE CAN-BUS COMPUTER DATA LINES SYSTEM CONTENT THEFT DETERRENT ALARM CONTENT THEFT DETERRENT SENSOR DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/VIO WIRE HEADLIGHTS SYSTEM HOOD STATUS A SIG HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT REAR DOOR LOCK SWITCH LH HDLP LO BEAM CTRL LIGHTING CONTROL MODULE (RIGHT SIDE OF DASH) LOGIC LR DR LK IND CTRL LR DR UNLK IND CTRL PASSENGER DOOR LOCK SWITCH PASSENGER FRONT SIDE DOOR WINDOW SWITCH RED/BLU WIRE RED/BRN WIRE RH HDLP LO BEAM CTRL RIGHT REAR DOOR LOCK SWITCH RR DR LK CTRL RR DR UNLK CTRL SECURITY IND ULTRASONIC INTRUSION SENSOR 1 ULTRASONIC INTRUSION SENSOR 2 (BACK OF OVERHEAD CONSOLE) VIO/BLU WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/VIO WIRE

2.0L TURBO 3.0L TURBO AMBIENT AIR QUALITY SENSOR BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE CAN BUS (+) 2 CAN BUS (+) SER DATA CAN BUS (-) 3 DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR ENGINE CONTROL MODULE ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT PUMP EVAPORATIVE EMISSION CANISTER PURGE PUMP GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE LEFT PROGRAMMABLE TEMPERATURE VALVE ACTUATOR LIN BUS 1 LIN BUS 2 LIN BUS 3 LIN BUS 4 LIN BUS 5 LIN BUS 6 PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR PASSENGER FRONT SIDE DOOR WINDOW SWITCH PROGRAMMABLE AIR INLET VALVE ACTUATOR PROGRAMMABLE MODE VALVE ACTUATOR RIGHT PROGRAMMABLE TEMPERATURE VALVE ACTUATOR SER DATA VIO WIRE VIO/GRN WIRE WAKE UP SIG WHT WIRE WINDSHIELD WIPER MOTOR

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 AUTOSAR CAN BUS (-) 2 BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLU/YEL WIRE BRAKE POSITION COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ENGINE CONTROL SENSORS ENGINE CONTROL VEHICLE ENGINE CONTROLS SYSTEM LEFT FRONT SIDE DOOR OUTSIDE HANDLE LEFT FRONT SIDE DOOR OUTSIDE HANDLE COURTESY LAMP LEFT REAR SIDE DOOR OUTSIDE HANDLE LEFT REAR SIDE DOOR OUTSIDE HANDLE COURTESY LAMP LOW REF 2 NCA WIRE RIGHT FRONT SIDE DOOR OUTSIDE HANDLE RIGHT FRONT SIDE DOOR OUTSIDE HANDLE COURTESY LAMP RIGHT REAR SIDE DOOR OUTSIDE HANDLE RIGHT REAR SIDE DOOR OUTSIDE HANDLE COURTESY LAMP SENSOR SIGNAL SENSORS 5 VOLT REF 1 SERIAL DATA WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL/GRN WIRE

2.0L TURBO 3.0L TURBO AUTOSAR CAN BUS SERIAL DATA (+) 3 AUTOSAR CAN BUS SERIAL DATA (+) 2 AUTOSAR CAN BUS SERIAL DATA (+) 5 AUTOSAR CAN BUS SERIAL DATA (-) 5 BLK WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ENGINE WIRING HARNESS JUNCTION BLOCK FRONT BUMPER SHUTTER ACTUATOR GRN/VIO WIRE GROUND HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIN LIN BUS 1 LOGIC RUN/CRANK IGN 1 VOLTAGE VIO/BLK WIRE VIO/BLU 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 AUTOSAR CAN BUS (-) 2 SER DATA BLK WIRE BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/VIO WIRE CAN-BUS COMPUTER DATA LINES SYSTEM CONTENT THEFT DETERRENT ALARM CONTENT THEFT DETERRENT SENSOR DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/VIO WIRE HEADLIGHTS SYSTEM HOOD STATUS A SIG HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT REAR DOOR LOCK SWITCH LH HDLP LO BEAM CTRL LIGHTING CONTROL MODULE (RIGHT SIDE OF DASH) LOGIC LR DR LK IND CTRL LR DR UNLK IND CTRL PASSENGER DOOR LOCK SWITCH PASSENGER FRONT SIDE DOOR WINDOW SWITCH RED/BLU WIRE RED/BRN WIRE RH HDLP LO BEAM CTRL RIGHT REAR DOOR LOCK SWITCH RR DR LK CTRL RR DR UNLK CTRL SECURITY IND ULTRASONIC INTRUSION SENSOR 1 ULTRASONIC INTRUSION SENSOR 2 (BACK OF OVERHEAD CONSOLE) VIO/BLU WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/VIO WIRE