GMC Sierra IV facelift (2022-2024) computer data lines system Wiring diagrams

2.7L TURBO 3.0L TURBO DIESEL 5.3L, 6.2L AUTOSAR CAN BUS (+) 2 SERIAL DATA BATTERY BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BATTERY MONITOR MODULE BLK WIRE BLU/YEL WIRE BRN WIRE CHARGE IND CHARGE IND CTRL COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE GENERATOR GENERATOR FIELD DUTY CYCLE SIG GRN/BLK WIRE GRN/YEL WIRE GRY WIRE INSTRUMENT PANEL CLUSTER CONTROL MODULE LIN BUS 1 LOGIC ORG/ WIRE RED WIRE RED/BLU WIRE RED/YEL WIRE SNOW PLOW ACCESSORY WIRING JUNCTION BLOCK SNOW PLOW RELAY SNOW PLOW WIRING HARNESS FUSE HOLDER W/ SNOW PLOW PROVISIONS W/O SNOW PLOW PROVISIONS WHT WIRE WHT/BLU WIRE

2.7L TURBO 5.3L, 6.2L AUTOSAR CAN BUS (+) 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT END OF DASH) COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED ILL LEFT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH MULTI-FUNCTION POWER SUPPLY CONVERTER POWER DISTRIBUTION SYSTEM RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RUN/CRANK IGNITION 1 VOLTAGE SIGNAL GROUND STARTER ENABLE RELAY CONTROL STARTER PINION SOLENOID ACTUATOR RELAY CONTROL STOP/START INDICATOR CONTROL STOP/START SWITCH SIGNAL VIO/GRN WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/VIO WIRE

2.7L TURBO 3.0L TURBO DIESEL 5.3L, 6.2L AUTOSAR CAN BUS (+) 2 SERIAL DATA BATTERY BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BATTERY MONITOR MODULE BLK WIRE BLU/YEL WIRE BRN WIRE CHARGE IND CHARGE IND CTRL COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE GENERATOR GENERATOR FIELD DUTY CYCLE SIG GRN/BLK WIRE GRN/YEL WIRE GRY WIRE INSTRUMENT PANEL CLUSTER CONTROL MODULE LIN BUS 1 LOGIC ORG/ WIRE RED WIRE RED/BLU WIRE RED/YEL WIRE SNOW PLOW ACCESSORY WIRING JUNCTION BLOCK SNOW PLOW RELAY SNOW PLOW WIRING HARNESS FUSE HOLDER W/ SNOW PLOW PROVISIONS W/O SNOW PLOW PROVISIONS WHT WIRE WHT/BLU WIRE

A/C COMPRESSOR CLUTCH RLY CTRL A/C REFRIGERANT PRESS SENS SIG ACCELERATOR PEDAL POSITION SENSOR AIR CONDITIONING REFRIGERANT PRESSURE SENSOR AIR CONDITIONING SYSTEM AMBIENT AIR TEMP SENS SIG AMBIENT AIR TEMPERATURE SENSOR ANTI-THEFT SYSTEM APP LOW REF 1 APP LOW REF 2 APP SIG (1) APP SIG (2) BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE BRK POSI SENS SIG BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE CAN BUS (+) 3 SERIAL DATA CAN BUS (-) 2 SERIAL DATA CAN BUS (-) SERIAL DATA COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) ENGINE CTRL SENS LOW REF 2 ENGINE OIL LEVEL INDICATOR SWITCH ENGINE OIL PRESSURE SENSOR EVAP CANISTER PURGE SOL CTRL FPP RLY CTRL GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOOD STATUS A SIG INTERNAL MODE SW MODE CTRL Y MAIN RLY FUSED SPLY VOLT 1 MAIN RLY FUSED SPLY VOLT 2 MASS AIR FLOW SENS SIG NCA WIRE OIL LEVEL SW SIG OIL PRESS SENS SIG PASSENGER OUTSIDE REAR VIEW MIRROR POWERTRAIN RLY COIL CTRL RED/BRN WIRE RUN/CRANK IGNITION 1 VOLT STARTER ENABLE RLY CTRL STARTING/ CHARGING SYSTEM TRANSMISSIONS SYSTEM VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/WHT WIRE

AIR CONDITIONING COMPRESSOR RELAY BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE CAN-BUS COMPUTER DATA LINES SYSTEM DATA DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROLS IGNITION RELAY ENGINE OIL IND ENGINE WIRING HARNESS JUNCTION BLOCK FUEL GAUGE FUEL GAUGE IND FUEL LEVEL SENSOR FUEL PUMP FUEL TANK PRESSURE SENSOR GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC MALFUNCTION IND RED/BLU WIRE RED/BRN WIRE RED/VIO WIRE RED/WHT WIRE SERIAL VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/GRY WIRE YEL/RED WIRE

5 V REF 1 ACTUATOR CLOSE CTRL BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE PEDAL POSITION SENSOR BRN WIRE BRN/BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ENGINE COOLANT TEMPERATURE SENSOR ENGINE OIL PUMP CTRL EVAPORATIVE EMISSION CANISTER PURGE SOLENOID VALVE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 1 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 2 HI SIG BANK 1 SENS (1) HI SIG BANK 2 SENS 1 HI SIG BANK 2 SENS 2 IGNITION CTRL (5) IGNITION CTRL 3 IGNITION CTRL 4 IGNITION CTRL 6 KNOCK SENS LOW REF 1 KNOCK SENS LOW REF 2 LIN BUS 1 LIN BUS 2 LOW CTRL BANK 1 SENS 1 LOW CTRL BANK 1 SENS 2 LOW CTRL BANK 2 SENS (1) LOW CTRL BANK 2 SENS (2) LOW REF (1) LOW REF BANK 2 LOW SIG BANK 1 SENS (1) LOW SIG BANK 2 SENS (2) LOW SIG BANK 2 SENS 1 NCA WIRE SOL ENABLE SIG 3 SOL ENABLE SIG 4 SOL ENABLE SIG 5 SOL ENABLE SIG 6 SOL VALVE CTRL 3 SOL VALVE CTRL 5 SOL VALVE CTRL 6 SPLY VOLT 5 TRANSMISSIONS SYSTEM VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/WHT WIRE

A/C COMPRESSOR CLUTCH RLY CTRL A/C REFRIGERANT PRESS SENS SIG ACCELERATOR PEDAL POSITION SENSOR AIR CONDITIONING REFRIGERANT PRESSURE SENSOR AIR CONDITIONING SYSTEM AMBIENT AIR TEMP SENS SIG AMBIENT AIR TEMPERATURE SENSOR ANTI-THEFT SYSTEM APP LOW REF 1 APP LOW REF 2 APP SIG (1) APP SIG (2) BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE BRK POSI SENS SIG BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE CAN BUS (+) 3 SERIAL DATA CAN BUS (-) 2 SERIAL DATA CAN BUS (-) SERIAL DATA COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) ENGINE CTRL SENS LOW REF 2 ENGINE OIL LEVEL INDICATOR SWITCH ENGINE OIL PRESSURE SENSOR EVAP CANISTER PURGE SOL CTRL FPP RLY CTRL GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOOD STATUS A SIG INTERNAL MODE SW MODE CTRL Y MAIN RLY FUSED SPLY VOLT 1 MAIN RLY FUSED SPLY VOLT 2 MASS AIR FLOW SENS SIG NCA WIRE OIL LEVEL SW SIG OIL PRESS SENS SIG PASSENGER OUTSIDE REAR VIEW MIRROR POWERTRAIN RLY COIL CTRL RED/BRN WIRE RUN/CRANK IGNITION 1 VOLT STARTER ENABLE RLY CTRL STARTING/ CHARGING SYSTEM TRANSMISSIONS SYSTEM VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/WHT WIRE

AIR CONDITIONING COMPRESSOR RELAY BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE CAN-BUS COMPUTER DATA LINES SYSTEM DATA DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROLS IGNITION RELAY ENGINE OIL IND ENGINE WIRING HARNESS JUNCTION BLOCK FUEL GAUGE FUEL GAUGE IND FUEL LEVEL SENSOR FUEL PUMP FUEL TANK PRESSURE SENSOR GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC MALFUNCTION IND RED/BLU WIRE RED/BRN WIRE RED/VIO WIRE RED/WHT WIRE SERIAL VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/GRY WIRE YEL/RED WIRE

5 V REF 1 ACTUATOR CLOSE CTRL BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE PEDAL POSITION SENSOR BRN WIRE BRN/BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ENGINE COOLANT TEMPERATURE SENSOR ENGINE OIL PUMP CTRL EVAPORATIVE EMISSION CANISTER PURGE SOLENOID VALVE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 1 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 2 HI SIG BANK 1 SENS (1) HI SIG BANK 2 SENS 1 HI SIG BANK 2 SENS 2 IGNITION CTRL (5) IGNITION CTRL 3 IGNITION CTRL 4 IGNITION CTRL 6 KNOCK SENS LOW REF 1 KNOCK SENS LOW REF 2 LIN BUS 1 LIN BUS 2 LOW CTRL BANK 1 SENS 1 LOW CTRL BANK 1 SENS 2 LOW CTRL BANK 2 SENS (1) LOW CTRL BANK 2 SENS (2) LOW REF (1) LOW REF BANK 2 LOW SIG BANK 1 SENS (1) LOW SIG BANK 2 SENS (2) LOW SIG BANK 2 SENS 1 NCA WIRE SOL ENABLE SIG 3 SOL ENABLE SIG 4 SOL ENABLE SIG 5 SOL ENABLE SIG 6 SOL VALVE CTRL 3 SOL VALVE CTRL 5 SOL VALVE CTRL 6 SPLY VOLT 5 TRANSMISSIONS SYSTEM VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/WHT WIRE

5 V REF 1 ACTUATOR OPEN CTRL BANK 1 SENS 2 BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE CHARGE IND CTRL COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/RED WIRE HI SIG BANK 1 SENS (2) IGNITION COIL 1 IGNITION COIL 3 IGNITION COIL 5 IGNITION COIL 7 IGNITION CTRL 2 IGNITION CTRL 8 KNOCK SENS SIG 1 KNOCK SENS SIG 2 LOGIC LOW SIG MANIFOLD ABSOLUTE PRESSURE SENSOR MASS AIR FLOW SENSOR NCA WIRE SENS 1 SENS 1 VOLT REF SENS BUS ENABLE SENS SIG SIG GND SOL ENABLE SIG 2 SOL ENABLE SIG 7 SOL VALVE 1 SOL VALVE CTRL 2 SOL VALVE CTRL 4 SOL VALVE CTRL 7 SPARK PLUG STARTING/ CHARGING SYSTEM VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/VIO WIRE