GMC Sierra IV (2018-2022) blu Wiring diagrams

ACC WAKEUP ACC WAKEUP SER DATA ACCESSORY DC/AC POWER INVERTER MODULE ASSIST STEP CONTROL MODULE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE BUS 31 BUS 33 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE HI SPD GMLAN HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (-) 2 HI SPD GMLAN SER DATA (-) 8 HI SPD GMLAN SER DATA (-) 9 HI SPD SER DATA (-) 1 HI SPD SER DATA (-) 2 LEFT SIDE OBJECT SENSOR MODULE LIN SER DATA LIN SER DATA BUS 31 LIN SER DATA BUS 33 LO SPD GMLAN LOW SPD GMLAN NOT USED PARK BRAKE SWITCH REAR GATE MODULE RED/VIO WIRE RIGHT SIDE OBJECT SENSOR MODULE RUN/CRANK IGN 1 VOL SER DATA SER DATA (-) 5 SER DATA COMM ENABLE SERIAL DATA GATEWAY MODULE TRAILER BRAKE CONTROL SWITCH TRAILER BRAKE POWER CONTROL MODULE TRAILER LIGHTING CONTROL MODULE VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE

BATTERY POSITIVE VOL BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BUS 19 BUS 9 COMM ENABLE DATA DATA (-) 11 DATA (-) 12 DATA (-) 13 DATA (-) 8 DATA 9 (+) ETHERNET BUS 4 (-) GMLAN GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE GRY/WHT WIRE HI DATA (+) 9 HI SPD GMLAN SER HVAC CONTROL MODULE HVAC CONTROLS KEYLESS ENTRY CONTROL MODULE LIN SER DATA LO SPD LO SPD DATA 2 LO SPD GMLAN LOW LEVEL LOW SPD GMLAN MID/HIGH LEVEL NCA WIRE PARKING ASSIST CONTROL MODULE PASSENGER PRESENCE MODULE RED/VIO WIRE SEAT MEMORY CONTROL MODULE SER DATA SER DATA (+) 2 SER DATA - (3) SERIAL SERIAL DATA SIG GND STEERING COLUMN LOCK MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATING CONTROL MODULE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE VIO/YEL WIRE W/ FORWARD COLLISION W/O FORWARD COLLISION W/ ONSTAR W/O ONSTAR WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WINDSHIELD FRONT VIEW CAMERA

3.0L DIESEL 3.0L TURBO DIESEL 6 SPEED A/T 8 SPEED A/T, 10 SPEED A/T ACC WAKEUP DATA ACCE WAKE-UP AUTOMATIC TRANSMISSION ASSEMBLY BATTERY SENSOR MODULE BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/YEL WIRE BRN WIRE BUS 21 COMM ENABLE CONTROL SOLENOID VALVE ASSEMBLY DATA DATA 1 (+) EXCEPT 3.0L TURBO DIESEL FUEL PUMP DRIVER CONTROL MODULE GLOW PLUG CONTROL MODULE GRN WIRE GRN/BRN WIRE GRN/VIO WIRE GRY WIRE HI DATA (+) 1 HI DATA (+) 2 HI SPD GMLAN HI SPD SER HI SPD SER DATA (+) 7 HI SPD SER DATA (-) 1 HI SPD SER DATA (-) 2 INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE LIN SER DATA LO SPD SER DATA REDUCTANT CONTROL MODULE SER DATA SER DATA (-) (1) SER DATA (-) 7 SUSPENSION CONTROL MODULE TRANSMISSION CONTROL MODULE VIO/YEL WIRE W/ CONTINUOUS DAMPING CONTROL W/ CONTINUOUS DAMPING CONTROL CHASSIS PACKAGE W/O CONTINUOUS DAMPING CONTROL WAKEUP WHT WIRE WHT/BLU WIRE

2.7L TURBO EXCEPT 2.7L TURBO, 3.0L TURBO DIESEL 3.0L TURBO DIESEL 3.0L 3.0L TURBO DIESEL 5.3L, 6.2L AUXILIARY HEATER COOLANT PUMP RELAY BATTERY FUSE BLOCK BATTERY POSITIVE VOLTAGE BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BRN WIRE BRN/GRY WIRE BRN/YEL WIRE CABIN HEATER COOLANT MOTOR CTRL COMPUTER DATA LINES SYSTEM COOL DIVERTER VAL ACT CTRL HI COOL DIVERTER VAL ACT CTRL LOW COOL DIVERTER VAL POS SENS LOW REF COOLANT TEMP SENS 2 SIG DRIVER INFORMATION CENTER DISPLAY ENGINE BLOCK COOLANT TEMP SIG ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMP SENS 3 SIG ENGINE COOLANT TEMP SENS SIG ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR 3 ENGINE COOLANT TEMPERATURE SENSOR 4 ENGINE CTRL SENS 5 VOLT REF (2) ENGINE CTRL SENS LOW REF (3) ENGINE CTRL SENS LOW REF 1 ENGINE CTRL SENS LOW REF 2 ENGINE INLET COOLANT TEMP SIG ENGINE OUTLET COOLANT TEMP SIG GRN WIRE GRY WIRE GRY/VIO WIRE HEATER CORE INLET TEMP SIG HEATER CORE OUTLET TEMP SIG HI SPD COOLING FAN RELAY CTRL HI SPD GMLAN SERIAL DATA (+) (3) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER LOGIC LOW SPEED GMLAN SERIAL DATA 2 RADIATOR COOLANT TEMPERATURE SENSOR RED WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RUN/CRANK IGNITION 1 VOLTAGE SIGNAL GROUND UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/YEL WIRE WHT WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

3.0L TURBO DIESEL 5.3L, 6.2L AUXILIARY UNDERHOOD FUSE BLOCK BATTERY FUSE BLOCK BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BRN WIRE BRN/YEL WIRE CHARGE AIR COOLER COOLANT PUMP CHARGE AIR COOLER COOLANT PUMP RELAY CHARGE AIR COOLER INLET TEMPERATURE SENSOR CHARGE AIR COOLER OUTLET TEMPERATURE SENSOR CLOSE CTRL COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (3.0L TURBO DIESEL) ENGINE COOLANT TEMPERATURE SENSOR ENGINE COOLANT TEMPERATURE SENSOR 7 GRN WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED LOW REF OPEN CTRL POS SIG RED WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE SENS LOW REF SENS SIG TEMP SIG UNDERHOOD FUSE BLOCK VIO/BLU WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

2.7L TURBO 3.0L TURBO DIESEL B+ VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLOCK ENGINE COOLANT FLOW CONTROL VALVE BLU WIRE BLU/BRN WIRE BRN WIRE BRN/YEL WIRE COMPUTER DATA COMPUTER DATA LINES SYSTEM ENGINE COOLANT BYPASS VALVE ENGINE COOLANT FLOW CONTROL VALVE (2.7L TURBO, 3.0L TURBO DIESEL) ENGINE COOLANT TEMPERATURE SENSOR 1 ENGINE COOLANT TEMPERATURE SENSOR 5 ENGINE COOLANT TEMPERATURE SENSOR 6 FAN RLY CTRL GRN/BRN WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE HEATER COOLANT PUMP HI SPD COOLING J157 (2.7L TURBO) LINES SYSTEM LOGIC LOWER COOLING FAN MOTOR MAIN ENGINE COOLANT FLOW CONTROL VALVE NCA WIRE RED WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT COOLING FAN MOTOR VIO/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE

3.0L TURBO DIESEL ACCEL PEDAL POS LO REF 1 ACCEL PEDAL POS SIG 1 ACCL PEDAL POS 5 VOLT REF 1 ACCL PEDAL POS 5 VOLT REF 2 ACCL PEDAL POS LOW REF 2 ACCL PEDAL POS SIG 2 ADAPTIVE CRUISE CTRL GAP UP/DOWN SW SIG CRUISE CTRL SET/COAST/ RES/ACC SW SIG BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRK APPLY SENS CTRL BRK APPLY SENS LOW REF BRK APPLY SENS SIG BRK POSI SENS SIG BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE/ETC/TCC BRAKE SIGNAL ENG CTRL SENS 5 VOLT REF (3) ENG CTRL SENS 5 VOLT REF 2 ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) EXCEPT 2.7L TURBO 2.7L TURBO EXCEPT 3.0L TURBO DIESEL GRN/WHT WIRE GROUND GRY/GRN WIRE HI SPD GMLAN SRL DATA (-) (1) HIGH SPEED GMLAN DATA (-) 1 HOT AT ALL TIMES LOGIC LOW REFERENCE RED/BLU WIRE RED/BRN WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SIG GND THRTL ACTR CTRL CLOSE THRTL ACTR CTRL OPEN THRTL POS SENS 5 VOLT REF THRTL POS SENS SIG 1 UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

ACCELERATOR PEDAL POSITION SENSOR BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRAKE PEDAL POSITION SENSOR (ON BRAKE PEDAL ASSEMBLY) BRN/GRN WIRE BRN/RED WIRE CANCEL SWITCH CRUISE SWITCH GRN/ORG WIRE GRN/WHT WIRE GRY/GRN WIRE LEFT STEERING WHEEL CONTROLS SWITCH RES+ SET- STEERING WHEEL AIR BAG COIL VIO WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL/WHT WIRE

BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENDGATE REL SW ANALOG SIG INTERIOR ENDGATE REL SW DISCRETE SIG EXTERIOR EXTERIOR PICKUP BOX ENDGATE CONTROL SWITCH GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLK WIRE GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT INSTRUMENT PANEL FUSE BLOCK LEFT PICKUP BOX ENDGATE LATCH LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 12 LOGIC LOW SPEED GMLAN SERIAL DATA ORG/WHT WIRE PICKUP BOX ENDGATE CONTROL MODULE (IN UPPER LEFT SIDE OF ENDGATE) PICKUP BOX ENDGATE POWER ASSIST ACTUATOR (LOWER RIGHT CORNER OF ENDGATE) PNK WIRE PNK/BLK WIRE REAR CLOSURE CINCH LATCH MTR 2 CINCH CTRL REAR CLOSURE CINCH LATCH MTR 2 REL CTRL REAR CLOSURE CINCH LATCH MTR CLOSE CTRL REAR CLOSURE CINCH LATCH MTR OPEN CTRL REAR CLOSURE CLUTCH CTRL REAR CLOSURE CLUTCH RETURN REAR CLOSURE LATCH 2 PAWL STATUS REAR CLOSURE LATCH 2 RACHET STATUS REAR CLOSURE LATCH 2 SECTOR STATUS REAR CLOSURE LATCH 2 UNLATCH STATUS REAR CLOSURE LATCH PAWL STATUS SIG REAR CLOSURE LATCH RATCHET STATUS REAR CLOSURE LATCH UNLATCH STATUS REAR CLOSURE OBJECT SENS LOW REF REAR CLOSURE OPEN SWITCH SIG REAR CLOSURE OPEN/CLOSE MTR CLOSE CTRL REAR CLOSURE OPEN/CLOSE MTR OPEN CTRL REAR CLOSURE POSITION SENS LOW REF REAR CLOSURE POSITION SENS SIG 1 REAR CLOSURE POSITION SENS SIG 2 REAR CLOSURE POSITION SENS VOLTAGE REF REAR CLOSURE SENS LOW REF 2 RED/GRY WIRE RIGHT PICKUP BOX ENDGATE LATCH VEHICLE STABILITY CONTROL SWITCH VIO WIRE WHT WIRE YEL WIRE YEL/RED WIRE

ASSIST STEP CONTROL MODULE BATT POS VOLT BLK WIRE BLK/BLU WIRE BLU WIRE BLU/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES LEFT ASSIST STEP LEFT ASSIST STEP KICK SWITCH LH RUNNING BOARD KICK SW SIG LH RUNNING BOARDS MTR LH RUNNING BOARDS MTR CTRL EXTEND LH RUNNING BOARDS MTR CTRL RETRACT LH RUNNING BOARDS MTR HALL SENS LOW REF LH RUNNING BOARDS MTR HALL SENS SIG LO SPD GMLAN SERIAL DATA NCA WIRE ORG/ WIRE ORG/WHT WIRE RED WIRE RED/YEL WIRE RH RUNNING BOARD KICK SW SIG RH RUNNING BOARDS MTR RH RUNNING BOARDS MTR CTRL EXTEND RH RUNNING BOARDS MTR CTRL RETRACT RH RUNNING BOARDS MTR HALL SENS SIG RIGHT ASSIST STEP RIGHT ASSIST STEP KICK SWITCH RIGHT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH RUNNING BOARDS DISABLE SIG UNDERHOOD FUSE BLOCK VIO WIRE VIO/RED WIRE WHT WIRE WHT/BRN WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/WHT WIRE