Chevrolet Suburban XIII (2020-2024) computer data lines system Wiring diagrams

AUTOSAR CAN BUS (+) 1 SERIAL DATA AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (-) 2 SERIAL DATA ELECTRONIC BRAKE CONTROL MODULE LIN BUS 2 BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRAKE FLUID LEVEL INDICATOR SWITCH BRAKE FLUID LEVEL SIGNAL BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE BRN/BLU WIRE CHEVROLET/ GMC COMPUTER DATA LINES SYSTEM ELECTRONIC BRAKE CONTROL MODULE LIN BUS 1 ENGINE WIRING HARNESS JUNCTION BLOCK FRONT BRAKE PAD WEAR SENSOR SIGNAL GRN/BLU WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT FRONT WHEEL SPEED SENSOR LEFT FRONT WHEEL SPEED SENSOR CONTROL LEFT FRONT WHEEL SPEED SENSOR SIGNAL LEFT PARK BRAKE MOTOR APPLY CONTROL LEFT PARK BRAKE MOTOR LOW REFERENCE LEFT PARKING BRAKE ACTUATOR LEFT REAR WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR CONTROL LEFT REAR WHEEL SPEED SENSOR SIGNAL NCA WIRE REAR BRAKE PAD WEAR SENSOR SIGNAL RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT WHEEL SPEED SENSOR RIGHT FRONT WHEEL SPEED SENSOR CONTROL RIGHT FRONT WHEEL SPEED SENSOR SIGNAL RIGHT PARK BRAKE MOTOR APPLY CONTROL RIGHT PARK BRAKE MOTOR LOW REFERENCE RIGHT PARKING BRAKE ACTUATOR RIGHT REAR WHEEL SPEED SENSOR RIGHT REAR WHEEL SPEED SENSOR CONTROL RIGHT REAR WHEEL SPEED SENSOR SIGNAL RUN/CRANK IGNITION 1 VOLTAGE TRAILER ABS CIRCUIT TRAILER BRAKE APPLY SIGNAL TRAILER BRAKE ENABLE SIGNAL VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1851 (OR 1850) 3.0L TURBO DIESEL 5.3L, 6.2L 6.2L ABS IND. AUTOSAR CAN BUS (+) 2 SERIAL DATA BATT POS VOLTAGE BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE APPLY SENSOR LOW REF BRAKE APPLY SENSOR SIGNAL BRAKE APPLY SENSOR VOLTAGE CTRL BRAKE IND BRAKE PEDAL POSITION SENSOR BRAKE POSITION SENSOR SIGNAL BRN/BLU WIRE CHEVROLET/ GMC COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ELECTRIC PARK BRAKE IND ENGINE CONTROL MODULE (CADILLAC) (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROL MODULE (CHEVROLET, GMC) (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROL MODULE LIN BUS 1 ENGINE CONTROL MODULE LIN BUS 2 ENGINE CONTROL SENSORS 5 VOLT REFERENCE 1 ENGINE CTRL MODULE LIN BUS 1 ENGINE CTRL MODULE LIN BUS 2 ENGINE CTRL SENSORS LOW REFERENCE 1 ENGINE WIRING HARNESS JUNCTION BLOCK GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE J167 (3.0L TURBO) J171 (6.2L) J180 (3.0L TURBO DIESEL) J150 (6.2L, 5.3L) J187 (3.0L TURBO DIESEL) J151 (6.2L, 5.3L) LEFT FRONT DISC BRAKE PAD WEAR SENSOR LEFT REAR DISC BRAKE PAD WEAR SENSOR LOGIC MULTI-FUNCTION POWER SUPPLY CONVERTER NCA WIRE PARK BRAKE IND PARKING BRAKE CONTROL SWITCH POWER DISTRIBUTION SYSTEM RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK TRACTION CONTROL SWITCH TRACTION CONTROL SWITCH SIGNAL 1 VEHICLE STABILITY CONTROL SYSTEM SWITCH VIO/WHT WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE

3.0L TURBO DIESEL 6.2L, 5.3L ACCEL PEDAL POS LO REF 2 ACCEL PEDAL POS SIG 2 ACCL PEDAL POS 5 VOLT REF 2 ACCL PEDAL POS LOW REF 1 ACCL PEDAL POS SIG 1 AUTOSCAR CAN BUS (+) 2 SERIAL DATA BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE POS SENS SIG BRK APPLY SENS CTRL BRK APPLY SENS SIG BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CHEVROLET/ GMC COMPUTER DATA LINES SYSTEM CRUISE CTRL SET/COAST/ RES/ACC SW SIG DISTANCE SENSING CRUISE CTRL GAP UP/DOWN SWITCH SIG ENG CTRL MODULE GND 61 ENG CTRL SENS LOW REF 2 ENG CTRL VEHICLE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE CTRL VEHICLE SENS VEHICLE LOW REF 1 GRN/WHT WIRE GROUND GRY/GRN WIRE HI SPD GMLAN SRL DATA (-) (1) HOT AT ALL TIMES J133 (CADILLAC 3.0L TURBO DIESEL) J169 (CHEVROLET, GMC 3.0L TURBO DIESEL) LOGIC RED/BRN WIRE RED/GRY WIRE RIDE CONTROL SWITCH RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SENSOR LOW REF STEERING WHEEL RESISTOR LADDER LOW REF THROTTLE BODY (FRONT OF INTAKE MANIFOLD) THRTL ACTR CLOSE CTRL THRTL ACTR OPEN CTRL THRTL POS SENS SENT 1 SIG WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

ADAPTIVE CRUISE SWITCH AUTOMATIC TRANSMISSION ASSEMBLY AUTOMATIC TRANSMISSION INPUT SPEED SENSOR AUTOMATIC TRANSMISSION INTERMEDIATE SPEED SENSOR 1 AUTOMATIC TRANSMISSION INTERMEDIATE SPEED SENSOR 2 AUTOMATIC TRANSMISSION OUTPUT SPEED SENSOR BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/GRN WIRE CANCEL SWITCH COLLISION ALERT WARNING SWITCH FORWARD COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE IND CRUISE SWITCH DISPLAY GAP SWITCH GRN WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES INPUT SPD SIG INSTRUMENT PANEL CLUSTER CONTROL MODULE LO SPD GMLAN SERIAL DATA 2 LOGIC MULTI-FUNCTION POWER SUPPLY CONVERTER NCA WIRE OUTPUT SPD SIG RED/GRN WIRE RED/YEL WIRE RES+ RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SET- STEERING WHEEL AIR BAG COIL TRANS INPUT SPD SIG HIGH TRANS INTERMEDIATE SPD SIG TRANSMISSION CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) TRANSMISSIONS SYSTEM VIO/GRN WIRE W/ ADAPTIVE CRUISE CONTROL W/O ADAPTIVE CRUISE CONTROL WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/ORG WIRE

BATT POSITIVE VOLT BATT POSITIVE VOLT LIN BUS 2 DRIVER SEAT LUMBAR/ BOLSTER PUMP CONTROL BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DRIVER FRONT SEAT ADJUSTER MEMORY SWITCH DRIVER FRONT SEAT ADJUSTER SWITCH DRIVER FRONT SEAT BACK LUMBAR PUMP DRIVER FRONT SEAT LUMBAR SWITCH DRIVER PRIMARY FRONT SEAT BLADDER CONTROL MODULE DRIVER SEAT BOLSTER PUMP LOW REF LIN BUS 1 DRIVER SECONDARY FRONT SEAT BLADDER CONTROL MODULE EXIT GMC/ CHEVROLET GRN WIRE GRN/BLK WIRE GRN/GRY WIRE LIN BUS 1 NCA WIRE RED/BRN WIRE SET- W/ VENTED SEAT HEATER W/O VENTED SEAT HEATER WHT WIRE WHT/BLU WIRE

AUTOSAR CAN BUS (+) 1 SERIAL DATA BATTERY POSITIVE VOLTAGE BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLU WIRE BLU/GRY WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRN/GRY WIRE GRN/VIO WIRE GROUND GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES LEFT ELECTRONIC SUSPENSION WHEEL FRONT VERTICAL ACCELEROMETER LEFT ELECTRONIC SUSPENSION WHEEL REAR VERTICAL ACCELEROMETER LEFT FRONT SHOCK ABSORBER ACTUATOR CONTROL LH FRT ACCELERATION SENS LOW REF LH FRT ACCELERATION SENS SIG LH FRT ACCELERATION SENS VOLT REF LH FRT SHOCK ABSORBER ACTR CTRL LR ACCELERATION SENRS VOLT REF LR ACCELERATION SENS LOW REF LR ACCELERATION SENS SIG LR SHOCK ABSORBER ACTR CTRL NCA WIRE RED/GRN WIRE RH FRT ACCELERATION SENS LOW REF RH FRT ACCELERATION SENS SIG RH FRT ACCELERATION SENS VOLT REF RIGHT ELECTRONIC SUSPENSION WHEEL FRONT VERTICAL ACCELEROMETER RIGHT ELECTRONIC SUSPENSION WHEEL REAR VERTICAL ACCELEROMETER RR ACCELERATION SENS LOW REF RR ACCELERATION SENS SIG RR ACCELERATION SENS VOLT REF RR SHOCK ABSORBER ACTR CTRL RT FRT ABSORBER ACTUATOR CONTROL SUSPENSION CONTROL MODULE (ABOVE SPARE TIRE) VIO/BLK WIRE VIO/RED WIRE WHT WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE

BATT POS VOLT BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE CAN BUS (-) 5 CAN BUS (-) 5 GROUND CHEVROLET/ GMC COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK GRN/GRY WIRE GRN/VIO WIRE GRY/BLU WIRE GRY/WHT WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT FRONT SHOCK ABSORBER ACTUATOR LEFT REAR SHOCK ABSORBER ACTUATOR LOGIC NCA WIRE RIGHT FRONT SHOCK ABSORBER ACTUATOR RIGHT REAR SHOCK ABSORBER ACTUATOR VIO/WHT WIRE

AJAR SW SIG BLK WIRE BLU WIRE BRN WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM DOWN DOWN SIG DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH EXPRESS EXPRESS SIG GMC/ CHEVROLET GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES ILL LEFT FRONT LEFT REAR LEFT REAR SIDE DOOR WINDOW REGULATOR MOTOR (CADILLAC) LEFT REAR SIDE DOOR WINDOW SWITCH LOCKOUT INDICATOR LOGIC LR DOWN SIG LR DR AJAR SW SIG LR UP SIG NETWORK 3 NETWORK 4 PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR PASSENGER FRONT SIDE DOOR WINDOW SWITCH RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RIGHT END OF DASH) RIGHT FRONT RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT REAR RIGHT REAR SIDE DOOR WINDOW REGULATOR MOTOR RIGHT REAR SIDE DOOR WINDOW SWITCH RR DOWN SIG RR DR AJAR SW SIG RR UP SIG UP SIG VIO/GRY WIRE WHT/BRN WIRE WHT/GRN WIRE WINDOW LOCK SWITCH WINDOW SWITCH

AJAR SW SIG BLK WIRE BLU/GRY WIRE BLU/VIO WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM DOWN DOWN SIG DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR EXPRESS EXPRESS SIG GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE ILL LEFT REAR SIDE DOOR WINDOW REGULATOR MOTOR LEFT REAR SIDE DOOR WINDOW SWITCH (GMC, CHEVROLET) LOGIC LR DOWN CTRL LR DR AJAR SW SIG LR UP CTRL NETWORK 3 NETWORK 4 RED/BRN WIRE RED/GRY WIRE RIGHT REAR SIDE DOOR WINDOW REGULATOR MOTOR RIGHT REAR SIDE DOOR WINDOW SWITCH (GMC, CHEVROLET) RR DOWN CTRL RR DR AJAR SW SIG RR UP CTRL UP SIG WHT/BRN WIRE YEL/BLU WIRE

AUTOSAR CAN BUS (+) 1 SERIAL DATA AUTOSAR CAN BUS (+) 2 SERIAL DATA BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE CHEVROLET/ GMC COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEMS ELECTRONIC BRAKE CTRL MODULE LIN BUS 2 ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BLU WIRE GROUND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LOGIC POWER DISTRIBUTION SYSTEM RED/VIO WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RUN/CRANK IGNITION 1 VOLTAGE TRAILER AUXILIARY CTRL TRAILER BRAKE APPLY SIG TRAILER BRAKE APPLY SIGNAL TRAILER BRAKE CONTROL MODULE TRAILER BRAKE CONTROL SWITCH TRAILER BRAKE ENABLE SIG TRAILER BRAKE ENABLE SIGNAL VIO/WHT WIRE WHT WIRE WHT/BLK WIRE YEL/BLK WIRE