GMC Acadia II facelift (2019-2024) engine control module Wiring diagrams

ABS IND. BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER CENTER OF DASH) BRAKE APPLY SENSOR LOW REF BRAKE APPLY SENSOR LOW REFERENCE BRAKE APPLY SENSOR SIG BRAKE APPLY SENSOR VOLTAGE REF BRAKE IND BRAKE PEDAL POSITION SENSOR BRAKE POSITION SENSOR SIGNAL BRN WIRE CENTER CONSOLE MULTI-FUNCTION SWITCH COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE CONTROL SENSORS 5 VOLT REFERENCE 1 ENGINE CONTROL SENSORS LOW REFERENCE 1 ESC IND GRN/BLK WIRE GRN/BRN WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/RED WIRE HAZARD WARNING SWITCH SIG HIGH SPD GMLAN SER DATA (+) 7 HIGH SPD GMLAN SER DATA (-) 1 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LOGIC PARK BRAKE SWITCH RED/VIO WIRE TRACTION CONTROL OFF IND TRACTION CONTROL SWITCH UNDERHOOD FUSE BLOCK VIO/GRY WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE

AUTOMATIC TRANSMISSION ASSEMBLY BACKUP LAMP CTRL BACKUP LP CTRL BATT POS VOLT 34 BATTERY FUSE BLOCK BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (UNDER CENTER OF DASH) COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE GRN/WHT WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM HI SPD GMLAN SER DATA (+) 1 HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES IGN MODE SW MODE CTRL IGN MODE SW MODE CTRL BACKUP INSIDE REAR VIEW MIRROR INSTRUMENT PANEL FUSE BLOCK LEFT BACKUP LAMP LEFT LIFTGATE TAIL LAMP ASSEMBLY OIL PRESSURE SENS LO REF REAR BODY FUSE BLOCK RED/VIO WIRE RED/WHT WIRE RIGHT BACKUP LAMP RIGHT LIFTGATE TAIL LAMP ASSEMBLY TRAILER BACKUP LAMPS RELAY TRAILER CONNECTOR TRANS POS TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL/BLU WIRE

2.0L TURBO 2.5L 3.6L BATT POS VOLT BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BRN/GRY WIRE CLUTCH RLY CTRL COMPUTER DATA LINES SYSTEM COOLANT TEMP SIG CTRL CLOSE CTRL OPEN ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE COOLANT BYPASS VALVE ENGINE COOLANT TEMPERATURE SENSOR ENGINE COOLANT TEMPERATURE SENSOR 3 ENGINE COOLANT TEMPERATURE SENSOR 4 GRN/YEL WIRE GRY/VIO WIRE HI SPEED GMLAN SERIAL DATA (-) 1 HOT AT ALL TIMES INLET TEMP SIG LOGIC OUTLET TEMP SIG RADIATOR COOLANT TEMPERATURE SENSOR RED/WHT WIRE SENS 5 VOLT REF 1 SENS LOW REF (2) SENS LOW REF 1 SIG GND SIG GND SENS LOW REF TEMP SENS 2 SIG TEMP SENS SIG UNDERHOOD FUSE BLOCK VALVE POSITION SIG VIO WIRE WHT WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

2.0L TURBO 2.5L 3.6L 5-VOLT REF 1 BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE PEDAL POSITION SENSOR BRK POS SENS SIG BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE REAR- VIEW MIRROR ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE GRN/VIO WIRE GRY/BRN WIRE GRY/RED WIRE GRY/YEL WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) J152 (2.0L TURBO) LEFT FRONT PARK LAMP LEFT FRONT TURN SIGNAL LAMP LEFT HEADLAMP ASSEMBLY LEFT TURN SIGNAL REPEATER LAMP LOGIC LOW REF (1) NCA WIRE PARK BRAKE APPLY SW SIG PARK BRAKE SW SPLY VOLT PARK BRAKE APPLY SW VOL REF PARK BRAKE RELEASE SW SIG PARK BRAKE SW SIG PARK BRAKE RELEASE SW VOL REF PARK BRAKE SWITCH PASSENGER OUTSIDE REAR VIEW MIRROR RIGHT FRONT PARK LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP ASSEMBLY RIGHT TURN SIGNAL REPEATER LAMP SERIAL DATA COMMUNICATION ENABLE VIO/GRY WIRE W/ LED WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE

2.0L TURBO 2.5L 3.6L ACC IGN VOLT ACC WAKEUP SERIAL DATA ACTR CTRL ACTR LO REF ACTR RECEIVE ACTR TRANSMIT AMBIENT LIGHT/ SUNLOAD SENSOR B+ VOLT BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE (UNDER CENTER OF DASH) BRN/GRN WIRE BRN/PPL WIRE BRN/WHT WIRE BRN/YEL WIRE CHALLENGE ACTIVE SIG COMPUTER DATA LINES SYSTEM DATA BUS 3 DATA BUS 9 DR LCK ACTR LCK CTRL DR LCK ACTR LCK CTRL 2 DR LCK ACTR UNLCK CTRL DRV DR LCK SW LCK SIG DRV DR LCK SW UNLCK SIG ENGINE CONTROL MODULE ENGINE HOOD SWITCH FUEL DR LCK RLY CTRL GRN/YEL WIRE GRY WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HI SPD GMLAN SERIAL DATA (-) (1) HOOD STATUS A SIGNAL HOOD STATUS B SIGNAL HORN RLY CTRL HORNS SYSTEM HVAC CONTROL MODULE LH HEADLAMP LO BEAM CTRL LIN SERIAL LO REF LOGIC PASS DR LCK SW LCK CTRL PASS DR LCK SW UNLCK CTRL PASSENGER WINDOW SWITCH PPL/YEL WIRE RED/PPL WIRE REMOTE CONTROL DOOR LOCK RECEIVER REMOTE CONTROL DOOR LOCK RECEIVER CONTROL REMOTE CONTROL DOOR LOCK RECEIVER LOW REFERENCE SIG GND REMOTE CONTROL DOOR LOCK RECEIVER RECEIVE SIGNAL REMOTE FUNCTION ACTR TRANSMIT SIG RF DR AJAR RH HEADLAMP LO BEAM CTRL RUN/CRANK IGN 1 VOLT SEC IND CTRL SERIAL DATA COMM ENABLE SIG SOLAR SENSOR SW SIG VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/PPL WIRE

2.0L TURBO 2.5L 2.5L 3.6L AJAR SW SIG AJAR SW SIG 2 AMBIENT AIR TEMPERATURE SENSOR BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER CENTER OF DASH) BRAKE MASTER CYLINDER (LEFT REAR OF ENGINE COMPT) BRAKE SYSTEM CONTROL MODULE BRK FLUID LEVEL SW SIG BRN WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL SWITCH ENGINE OIL PRESSURE SENSOR FUEL LEVEL SENSOR ASSEMBLY FUEL PUMP CONTROL MODULE FUEL PUMP, LEVEL SENSOR ASSEMBLY GRN WIRE GRN/GRY WIRE GRY WIRE GRY/RED WIRE HI SPD GMLAN SER DATA BUS (+) 3 HI SPD GMLAN SER DATA BUS (-) 2 J132 (2.5L, 3.6L) J155 (2.0L TURBO) LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LIFTGATE AJAR SW SIG 1 LIFTGATE CONTROL MODULE (W/ POWER LIFTGATE) (IN LIFTGATE) LIFTGATE LATCH LIFTGATE LATCH ASSEMBLY LIN SER DATA BUS 4 LOGIC LOW REF NCA WIRE OIL LEVEL SW SIG OIL PRESS SENS SIG PARK BRAKE SWITCH (LEFT OF STEERING WHEEL) PARK BRK APPLY SW SIG PARK BRK APPLY VOLT REF PARK BRK REL SW SIG PARK BRK REL SW VOLT REF PARK BRK SW SPLY VOLT PRESS SENS LOW REF PRIMARY FUEL LEVEL SENSOR PRK BRK SW SIG SECONDARY FUEL LEVEL SENSOR SENS LOW REF SENS SIG SENS SIG 2 SERIAL DATA SIG GND TEMP SENS SIG TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/GRY WIRE W/O POWER LIFTGATE WHT WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

1-YE 2-YE 2.5L 3.6L AM/FM BACKUP LAMP CTRL BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/YEL WIRE BRN/BLU WIRE COAX COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/GRN WIRE HD/XM HI SPD GMLAN SER DATA (-) 9 LF SPEAKER (-) CTRL 1 LF SPEAKER 1 (+) CTRL LO SPD GMLAN SER DATA 2 LR SPEAKER (+) CTRL RADIO REAR VIEW CAMERA REPLICATED RF SPEAKER (-) CTRL 1 RF SPEAKER 1 (+) CTRL RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT REAR DOOR SPEAKER RIGHT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE ROOF REAR ANTENNA RR SPEAKER (+) CTRL SER DATA COMM ENABLE SIGNAL USB VIO/BLU WIRE W/ DIGITAL AUDIO SYSTEM W/O DIGITAL AUDIO SYSTEM WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

1-YE 2-YE 2.5L 3.6L AM/FM BACKUP LAMP CTRL BLU/BLK WIRE BLU/GRN WIRE BLU/YEL WIRE BRN/BLK WIRE COAX COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ETHERNET BUS 4 (-) ETHERNET BUS 6 (-) ETHERNET BUS 7 (-) GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE HD/XM HI SPD GMLAN SER DATA (-) 9 LO SPD GMLAN SER DATA 2 RADIO REAR VIEW CAMERA REPLICATED RIGHT FRONT DOOR SPEAKER RIGHT FRONT INSTRUMENT PANEL SPEAKER RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE ROOF REAR ANTENNA SER DATA COMM ENABLE SIGNAL USB VIO/BLU WIRE W/ DIGITAL AUDIO SYSTEM W/O DIGITAL AUDIO SYSTEM WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

2.0L TURBO 2.0L TURBO 2.5L 3.6L AUXILIARY HVAC CONTROLS BATTERY SENSOR FUSE HOLDER BATTERY SENSOR MODULE BLK WIRE BLU/VIO WIRE BODY CONTROL MODULE BRAKE SYSTEM CONTROL MODULE BRAKE MASTER CYLINDER COLLISION ALERT INDICATORS ELECTRICAL AUXILIARY HEATER ENGINE CONTROL MODULE FROM BATTERY FUSE BLOCK (DIAGRAM 2 OF 8) FROM BODY CONTROL MODULE (DIAGRAM 8 OF 8) FUEL PUMP DRIVER CONTROL MODULE GRN/VIO WIRE HVAC CONTROL MODULE IGNITION MAIN RELAY INSIDE REAR VIEW MIRROR INSTRUMENT CLUSTER REAR BODY FUSE BLOCK REAR WIPER IGNITION RELAY RED WIRE RED/WHT WIRE STEERING COLUMN LOCK MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATING CONTROL MODULE TO POWER SUPPLY TRANSFORMER (DIAGRAM 7 OF 8) TRANSMISSION CONTROL MODULE TRANSMISSION RANGE SELECTOR CONTROLS VIO/BLK WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE W/ REAR AIR CONDITIONER

2.0L TURBO 2.5L 2.5L 3.6L 3.6L A/C COMPRESSOR CLUTCH RELAY AUXILIARY COOLANT PUMP RELAY BATTERY BATTERY FUSE BLOCK BATTERY SENSOR MODULE BODY CONTROL MODULE BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE COOLING FAN CONTROL MODULE ELECTRICAL AUXILIARY HEATER ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT PUMP FRONT FOG LAMP RELAY GENERATOR HEADLAMP LOW BEAM RELAY HIGH BEAM SOLENOID ACTUATOR RELAY HORN RELAY LEFT TRAILER STOP/ TURN SIGNAL LAMP RELAY LOGIC NCA WIRE POWER STEERING CONTROL MODULE REAR WINDOW WASHER PUMP RELAY REAR WIPER IGNITION RELAY REAR WIPER RELAY RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT TRAILER STOP/ TURN SIGNAL LAMP RELAY STARTER MOTOR STARTER PINION SOLENOID ACTUATOR RELAY STARTER RELAY TO BATTERY SENSOR FUSE HOLDER (DIAGRAM 1 OF 8) TO IGNITION MAIN RELAY (DIAGRAM 1 OF 8) TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 4 OF 8) TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 5 OF 8) TO POWER SUPPLY TRANSFORMER (DIAGRAM 7 OF 8) TO REAR BODY FUSE BLOCK (DIAGRAM 3 OF 8) TRAILER PARK LAMPS RELAY UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ HID W/ TRAILER PROVISIONS W/O TRAILER PROVISIONS WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY