Buick Regal VI (2017-2020) Computer data lines circuit

BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/YEL WIRE COMMUNICATION DATA LINK CONNECTOR ENABLE FUSE 25 FUSE 34 GRN WIRE GRY/GRN WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (+) 9 HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) 9 LO SPD GMLAN SERIAL DATA HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN LO SPD GMLAN SERIAL DATA LO SPD GMLAN SERIAL DATA 2 RED/GRY WIRE RED/VIO WIRE SERIAL DATA SERIAL DATA 2 SERIAL DATA COMMUNICATION ENABLE SERIAL DATA GATEWAY MODULE (LEFT SIDE OF DASH) SIG GND WHT WIRE WHT/BLU WIRE WHT/GRN WIRE

AUDIO AMPLIFIER BLU WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/GRN WIRE COMM ENABLE COMMUNICATION ENABLE DATA 2 (+) ETHERNET BUS 4 (-) ETHERNET BUS 6 (-) ETHERNET BUS 7 (-) FRONT OBJECT GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE HI SPD GMLAN HIGH SPD GMLAN HUMAN MACHINE INTERFACE CONTROL MODULE (RIGHT SIDE OF DASH) LIN SERIAL DATA BUS 10 LIN SERIAL DATA BUS 5 LO SPD GMLAN LO SPEED GMLAN LOCAL INTERCONNECT LONG RANGE RADAR SENSOR MODULE MOST CTRL MOST SER DATA (+) MOST SERIAL MOST SERIAL DATA (+) NETWORK RADIO SENSOR CTRL 2 SER DATA SERIAL DATA SERIAL DATA (-) 4 SERIAL DATA (-) 9 SERIAL DATA 2 SERIAL DATA BUS 5 WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE

BLU WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/GRN WIRE COMMUNICATION DATA BUS 12 DATA BUS 18 DATA BUS 19 DATA BUS 8 DRIVER WINDOW/OUTSIDE REAR VIEW MIRROR SWITCH ENABLE ETHERNET BUS 4 (-) ETHERNET BUS 7 (-) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE HANDS-FREE LIFTGATE SENSOR CONTROL MODULE HEAD-UP DISPLAY HI SPD GMLAN IN LUGGAGE COMPT) LEFT SIDE OBJECT SENSOR MODULE LIFTGATE CONTROL MODULE LIN SERIAL LIN SERIAL DATA BUS 12 LO SPD GMLAN LOCAL INTERCONNECT LOGIC LOGIC INSTRUMENT CLUSTER MOST CTRL MOST SERIAL DATA (+) NETWORK ONE COLOR GRAPHIC RIGHT SIDE OBJECT SENSOR MODULE RIGHT STEERING WHEEL CONTROLS SWITCH SERIAL DATA SERIAL DATA (-) 5 SERIAL DATA (-) 9 SERIAL DATA 2 SERIAL DATA BUS 10 SERIAL DATA BUS 5 STEERING WHEEL AIR BAG COIL TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE W/ MULTI COLOR STANDARD GRAPHIC WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE

BLK WIRE BLU WIRE BLU/VIO WIRE BLU/YEL WIRE COMMUNICATION ENABLE DATA BUS 13 DATA BUS 8 DATA BUS 9 DRIVER SEAT BOLSTER MEMORY CONTROL MODULE DRIVER SEAT MEMORY CONTROL MODULE FRONT OBJECT GMLAN SERIAL DATA GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/VIO WIRE HI SPD GMLAN HVAC CONTROL MODULE (CENTER OF DASH) HVAC CONTROLS KEYLESS ENTRY CONTROL MODULE LIN SERIAL LO SPD GMLAN LO SPD GMLAN SERIAL DATA LOW SPEED PARKING ASSIST CONTROL MODULE PASS MEMORY PASSENGER PRESENCE MODULE PASSENGER SEAT BOLSTER MEMORY CONTROL MODULE PASSENGER SEAT MEMORY CONTROL MODULE PASSENGER WINDOW SWITCH SENS LO REF 2 SENSOR CTRL 2 SERIAL DATA SERIAL DATA (-) (1) SERIAL DATA (-) 4 SERIAL DATA 2 WHT WIRE WHT/BLU WIRE

ACCESSORY WAKEUP BLK WIRE BLK/BRN WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) CAN BUS HIGH 3 SERIAL DATA CAN BUS HIGH SERIAL DATA CAN BUS LOW 3 SERIAL DATA CAN BUS LOW SERIAL DATA COMMUNICATION ENABLE DATA BUS 1 DATA BUS 11 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/VIO WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (-) (1) IMMOBILIZER CONTROL MODULE LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP CONTROL MODULE LEFT HEADLAMP/ CORNERING LAMP CONTROL MODULE LIN SERIAL LIN SERIAL DATA BUS 1 LIN SERIAL DATA BUS 11 LIN SERIAL DATA BUS 2 LIN SERIAL DATA BUS 3 LIN SERIAL DATA BUS 4 LO SPD GMLAN RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP CONTROL MODULE RIGHT HEADLAMP/ CORNERING LAMP CONTROL MODULE SERIAL DATA SERIAL DATA (-) (1) SUNROOF CONTROL MODULE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE

BLU WIRE BLU/VIO WIRE BLU/YEL WIRE COMMUNICATION DATA BUS 1 DATA BUS 3 DATA BUS 4 DRIVER WINDOW MOTOR DRIVER WINDOW/ OUTSIDE REAR VIEW MIRROR SWITCH ENABLE FRONT OBJECT FRONT VIEW CAMERA MODULE (IF EQUIPPED) (TOP CENTER OF WINDSHIELD) GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY/VIO WIRE HI SPD GMLAN HIGH SPEED BUS TERMINATING RESISTOR LEFT REAR WINDOW SWITCH LIN SERIAL LO SPD GMLAN PASSENGER WINDOW MOTOR RIGHT REAR WINDOW SWITCH SENS CTRL 2 SERIAL DATA SERIAL DATA (-) (1) SERIAL DATA (-) 4 SERIAL DATA 2 SUNROOF SUNSHADE MOTOR MODULE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE

2.0L TURBO 3.6L ACC WAKEUP ACCESSORY WAKEUP ACCESSORY WAKEUP SER DATA BATTERY SENSOR MODULE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/YEL WIRE DATA BUS 2 DATA BUS 21 ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) ENGINE CONTROL MODULE FUEL PUMP DRIVER CONTROL MODULE GRN/BLU WIRE GRN/VIO WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (+) (3) HI SPD GMLAN SERIAL DATA (+) 1 ACCESSORY WAKEUP SER DATA HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HI SPD GMLAN SERIAL DATA (-) 7 HIGH SPEED GMLAN LIN SER DATA BUS 21 LIN SERIAL LOGIC TRANSMISSION CONTROL MODULE AUTOMATIC TRANSMISSION ASSEMBLY POWER SOUNDER CONTENT THEFT DETERRENT ALARM MODULE POWER STEERING CONTROL MODULE (LOWER ENGINE COMPT, ON STEERING GEAR) POWER SUPPLY TRANSFORMER REGAL SPORTBACK REGAL TOURX SEAT HEATING CONTROL MODULE SER DATA - (3) SERIAL DATA SERIAL DATA (-) 7 SERIAL DATA COMMUNICATION ENABLE TRANSMISSION SHIFT LEVER POSITION INDICATOR UNDERHOOD FUSE BLOCK VIO/YEL WIRE WHT WIRE WHT/BLU WIRE