GMC Acadia II facelift (2019-2024) Computer data lines circuit

BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) FRONT OBJECT GRN WIRE GRN/WHT WIRE GRY/GRN WIRE GRY/VIO WIRE HI SPD GMLAN SERIAL DATA (+) 4 HI SPD GMLAN SERIAL DATA (+) 8 HI SPD GMLAN SERIAL DATA (+) 9 HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HI SPD GMLAN SERIAL DATA (-) 11 HI SPD GMLAN SERIAL DATA (-) 12 HI SPD GMLAN SERIAL DATA (-) 13 HIGH SPD GMLAN HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN SERIAL DATA (PINS: 21 TO 25 NOT USED) 26 LO SPD GMLAN SERIAL DATA 2 LO SPD GMLAN SERIAL DATA 3 LONG RANGE RADAR SENSOR MODULE RED/WHT WIRE RUN/CRANK IGN 1 VOLT SENS 2 REF VOLT SERIAL DATA (-) 4 SERIAL DATA COMM ENABLE (PINS: 26 TO 30 NOT USED) SERIAL DATA GATEWAY MODULE (LEFT OF STEERING COLUMN) SIG GND UNDERHOOD FUSE BLOCK VIO/GRY WIRE W/ INTEGRATED BRAKE ASSIST W/O INTEGRATED BRAKE ASSIST WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE

BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE COMM ENABLE COMMUNICATION ENABLE ETHERNET BUS 4 (-) ETHERNET BUS 6 (-) ETHERNET BUS 7 (-) FRONT SEAT HEATING CONTROL MODULE GRN WIRE GRN/BLU WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE HI SPD GMLAN HIGH SPEED EXTENSION BUS TERMINATING RESISTOR 1 INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE LIN BUS 2 LO SPD GMLAN LOW LEVEL LOW SPEED GMLAN MID/HIGH LEVEL RADIO REAR SEAT HEATING CONTROL MODULE SERIAL DATA SERIAL DATA (-) 9 SERIAL DATA 2 VIDEO PROCESSING CONTROL MODULE W/ INTEGRATED BRAKE ASSIST W/ ONSTAR W/O INTEGRATED BRAKE ASSIST W/O ONSTAR WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE

4088) AUXILIARY HVAC CONTROLS BLK WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE COMM ENABLE COMMUNICATION ENABLE ETHERNET BUS 4 (-) ETHERNET BUS 7 (-) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE HANDS-FREE LIFTGATE SENSOR CONTROL MODULE HEAD-UP DISPLAY HI SPD GMLAN INSTRUMENT CLUSTER LEFT SIDE OBJECT SENSOR MODULE LIFTGATE CONTROL MODULE LIN BUS 1 LO SPD GMLAN LOGIC OBS DET CAN BUS RIGHT SIDE OBJECT SENSOR MODULE RIGHT STEERING WHEEL CONTROLS SWITCH SERIAL DATA SERIAL DATA (-) 9 SERIAL DATA 2 STEERING WHEEL AIR BAG COIL TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE W/ INTEGRATED BRAKE ASSIST W/ ONSTAR W/ PARKING ASSIST W/ REAR AIR CONDITIONER W/O INTEGRATED BRAKE ASSIST W/O ONSTAR W/O PARKING ASSIST WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE

BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/BLK WIRE BUS 6 (+) COMMUNICATION ENABLE ETHERNET FRONT OBJECT GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/VIO WIRE HI SPD GMLAN HVAC CONTROL MODULE HVAC CONTROLS KEYLESS ENTRY CONTROL MODULE (RIGHT SIDE OF LUGGAGE COMPT) LIN BUS 1 LIN BUS 2 LO SPD GMLAN LO SPD GMLAN SERIAL DATA MOST SERIAL PASSENGER PRESENCE MODULE (IN PASSENGER'S SEAT CUSHION) SEN 2 REF VOLT SERIAL DATA SERIAL DATA (+) 8 SERIAL DATA (-) 4 SERIAL DATA 2 STEERING COLUMN LOCK MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATING CONTROL MODULE W/ INTEGRATED BRAKE ASSIST W/O INTEGRATED BRAKE ASSIST WHT WIRE WHT/BLU WIRE WHT/GRY WIRE

ACCESSORY WAKEUP BLU WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE BODY CONTROL MODULE (UNDER CENTER OF DASH) COMMUNICATION ENABLE DRIVER SEAT HEATING SWITCH DRIVER WINDOW MOTOR MODULE DRIVER WINDOW SWITCH GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/VIO WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (-) (1) IMMO LIN BUS 1 IMMOBILIZER CONTROL MODULE LEFT REAR WINDOW SWITCH LIN BUS 1 LIN BUS 2 LIN BUS 3 LIN BUS 4 LO SPD GMLAN PASSENGER SEAT HEATING SWITCH PASSENGER WINDOW SWITCH RIGHT REAR WINDOW SWITCH SEAT MEMORY CONTROL MODULE SERIAL DATA SERIAL DATA (-) (1) STEERING COLUMN POSITION CONTROL MODULE SUNROOF CONTROL MODULE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE

BLU WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE COMM ENABLE 2 COMMUNICATION ENABLE FRT OBCT GRN WIRE GRY/VIO WIRE HI SPD GMLAN HIGH SPEED BUS TERMINATING RESISTOR LO SPD GMLAN REAR DIFFERENTIAL CLUTCH CONTROL MODULE SENS CTRL SERIAL DATA SERIAL DATA (-) (1) SERIAL DATA (-) 4 SERIAL DATA 2 VIO/GRN WIRE VIO/YEL WIRE W/O CONTINUOUSLY VARIABLE REAL TIME DAMPING W/O FORWARD COLLISION ALERT SENSOR INDICATOR WHT WIRE WHT/BLU WIRE WINDSHIELD FRONT VIEW CAMERA (TOP CENTER OF WINDSHIELD) YEL WIRE

2.0L TURBO 2.5L 3.6L ACC WAKE UP SIG ACC WAKEUP ACCESSORY WAKEUP SERIAL DATA BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/YEL WIRE ELECTRONIC BRAKE CONTROL MODULE FUEL PUMP DRIVER CONTROL MODULE GRN WIRE GRN/VIO WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) LIN BUS 1 MDL WAKE UP SIG POWER STEERING CONTROL MODULE (ON STEERING ACTUATOR) SERIAL DATA SERIAL DATA (+) (3) SERIAL DATA (-) 7 SERIAL DATA COMMUNICATION ENABLE TRANSMISSION CONTROL MODULE (UNDER BATTERY TRAY) TRANSMISSION RANGE SELECTOR CONTROLS VIO WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE

2.0L TURBO 2.5L 2.5L 3.6L 3.6L ACC WAKE-UP SERIAL DATA ACTIVE GRILLE AIR SHUTTER ACTUATOR 1 AUXILIARY HEATER COOLANT PUMP BATTERY SENSOR MODULE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE COOLING FAN CONTROL MODULE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT PUMP ENGINE CTRL MODULE LIN BUS 1 ENGINE CTRL MODULE LIN BUS 2 EVAPORATIVE EMISSION PURGE PUMP GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE HI SPD GMLAN SERIAL DATA (+) (3) HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) 1 HI SPD GMLAN SERIAL DATA (-) 3 HI SPD GMLAN SERIAL DATA (-) 7 LIN BUS 1 LIN BUS 2 MULTI-FUNCTION INTAKE AIR SENSOR NCA WIRE PWR MOD WAKE-UP SIG R R SEAT MEMORY CTRL MODULE LIN BUS 2 VIO/GRN WIRE VIO/YEL WIRE WHT WIRE