GMC Sierra IV facelift (2022-2024) sens low ref Wiring diagrams

AIR CONDITIONING SYSTEM AUTOSAR CAN BUS (+) 2 SERIAL DATA AUXILIARY DEVICE 2 SW VOLTAGE BLK WIRE BLK/YEL WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT END OF DASH) BRN/BLK WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA BUS 3 DRIVER FRONT SIDE DOOR LATCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BLK WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/VIO WIRE HOOD STATUS B SIG HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IMMO ANT LO SIG IMMO ANT SIG [+] INSTRUMENT PANEL CLUSTER CONTROL MODULE INTR PASSIVE ENTRY ANT 1 HI SIG INTR PASSIVE ENTRY ANT 1 LO SIG LF DR AJAR LF DR LOCK ACTR LOCK CTRL LF DR OPEN SW SIG LF EXTR DR HNDL SW UNLK SIG LIN BUS 3 LOCK ACTR UNLK CTRL 1 LOCK ACTR UNLK LOW CTRL 2 LOGIC LOW FREQUENCY CONSOLE ANTENNA LR DR LOCK ACTR LOCK CTRL PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR PASSIVE ENTRY LF ANT SIG HI PASSIVE ENTRY LF ANT SIG LO PASSIVE ENTRY RF DR ANT SIG HI PASSIVE ENTRY RF DR ANT SIG LO R CLOSURE KYLS ENTRY ANT HI SIG R CLOSURE KYLS ENTRY ANT LO SIG RF DR AJAR RF DR EXTR SW UNLK SIG RF DR LOCK ACTR LOCK CTRL RR DR LATCH ACTR LOCK CTRL SECURITY IND SECURITY IND CTRL SENS LOW REF SUNLOAD, AMBIENT LIGHT, SECURITY INDICATOR SENSOR SW SIG VIO WIRE VIO/GRY WIRE VIO/WHT WIRE W/O FRONT COMPARTMENT CONSOLE WHT WIRE WHT/GRY WIRE WHT/VIO WIRE YEL/GRN WIRE

AUTO SWITCH BEHIND STEERING WHEEL) BLK WIRE BLK/BRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT END OF DASH) BRAKE APPLY BRAKE APPLY SENS CTRL BRAKE APPLY SENS SIG BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DRIVER MODE 1 SW SIG ENHANCED DRIVER GRN/BLK WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE LADDER LOW REF LEFT SWITCH MODE 2 SW SIG RED/WHT WIRE RED/YEL WIRE RIDE CONTROL SWITCH (W/ FLEXRIDE MODE SYSTEM SWITCH) (LEFT SIDE OF DASH) RIGHT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH RIGHT SWITCH SENS LOW REF SERIAL DATA (-) (1) SNOW SWITCH SPORT SWITCH STEERING WHEEL AIR BAG COIL STEERING WHEEL RADIO VOLUME SWITCH STEERING WHEEL RESISTOR TAP UP/TAP DOWN SW SIG TOW/HAUL SWITCH VIO WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

AUTO SWITCH AUTOMATIC TRANSMISSION CONTROL LEVER BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT END OF DASH) BRAKE APPLY BRAKE APPLY SENS CTRL BRAKE APPLY SENS SIG BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DRIVER INFORMATION CENTER DISPLAY DRIVER MODE 1 SW SIG ENHANCED DRIVER GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE INSTRUMENT PANEL CLUSTER CONTROL MODULE LADDER LOW REF LEFT SWITCH LIN BUS 1 LOGIC MODE 2 SW SIG RIDE CONTROL SWITCH (W/ FLEXRIDE MODE SYSTEM SWITCH) (LEFT SIDE OF DASH) RIGHT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH RIGHT SWITCH SENS LOW REF SERIAL DATA (-) (1) SNOW SWITCH SPORT SWITCH STEERING WHEEL RESISTOR TAP UP/TAP DOWN SW SIG TOW/HAUL SWITCH VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

2.7L TURBO A/C EVAP TEMP SENS SIG AIR HEATER BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BATTERY POSITIVE VOLTAGE BCM LIN BUS 5 BLK WIRE BLK/YEL WIRE BLOWER MOTOR (RIGHT SIDE OF DASH) BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BLWR MTR SPEED CTRL BLWR SPEED FEEDBACK SIG BODY CONTROL MODULE (LEFT END OF DASH) BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER SOLAR SENS SIG ENGINE COOLANT PUMP GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES HVAC REMOTE ENABLE SIG HVAC SYSTEM ENABLE SIG INSIDE AIR TEMP SENS SIG LOGIC RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SENS LOW REF SIG GND SOLENOID VALVE CTRL VIO/BLK WIRE WHT/YEL WIRE

ABS/TRACTION CTRL HILL DESCENT CTRL SW SIG AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM SHIFT INTERLOCK SYSTEM ANTI-LOCK BRAKES SYSTEM AUTO HIGH BEAM ASSIST SW SIG BLK/GRY WIRE BLK/YEL WIRE BLOWER SPEED FEEDBACK SIG BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT END OF DASH) BODY CTRL MODULE LIN BUS 12 BRK TRANS SHIFT INTERLOCK SOL ACTR CTRL BRN WIRE BRN/BLK WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE CTRL SET/COAST/RESUME/ACCELERATE SW SIG DISTANCE SENSING CRUISE CTRL GAP UP/DOWN SW SIG DOME/READING LAMP ENABLE SIG DRIVER MODE 1 SW SIG ENDGATE REL SW ANALOG SIG INTERIOR GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE HAZARD WARNING SW SIG HEADLAMP SW FLASH SIG HEADLAMP SW OFF SIG HEADLAMP SW ON SIG HEADLAMP SW PARK LAMP SIG HEADLAMP SW REF HEADLAMP SW SIG HEADLIGHTS SYSTEM HIGH BEAM SELECT SW HIGH BEAM SIG HORN SW SIG HORNS SYSTEM IGN MODE SW ACCESSORY LED SIG IGN MODE SW MODE VOLT IGNITION MODE SW START LED SIG LANE DEPARTURE WARNING DISABLE SW SIG LANE DEPARTURE WARNING IND CTRL LEFT TURN SIG SW SIG MAJOR ENDGATE RELEASE SW SIG INTERIOR NAVIGATION SYSTEM PARK LOCK SOLENOID ACTUATOR CTRL POWER DISTRIBUTION SYSTEM REAR PARKING ASSIST DISABLE LED SIG REAR PARKING ASSIST DISABLE SIG RIGHT TURN SIG SW SIG SENS LOW REF SHIFT INTERLOCK SYSTEM STARTING/CHARGING SYSTEM STOP/START IND CTRL STOP/START SW SIG TAP UP/TAP DOWN SW SIG TAP UP/TAP DOWN SW SIG 2 ENHANCED DRIVER MODE 2 SW SIG TRAILER BRAKE APPLY SIG TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/BLK WIRE VIO/BLU WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE WINDSHIELD WASHER SW SIG WINDSHIELD WIPER SW LOW REF WINDSHIELD WIPER SW LOW SIG WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/WHT WIRE

AIR CONDITIONING SYSTEM AUTO HIGH BEAM ASSIST SW SIG AUTO HIGH BEAM SWITCH BATT POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT END OF DASH) CAN-BUS COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FRONT FOG LAMP IND FTP GRN/BRN WIRE GRN/YEL WIRE GRY/BRN WIRE HEADLAMP SW FLASH SIG HEADLAMP SW OFF SIG HEADLAMP SW ON SIG HEADLAMP SW REF HEADLAMP SW SIG HIGH BEAM IND HIGH BEAM SELECT SW HIGH BEAM SIG INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC PARK BRAKE CONTROL SWITCH PARK BRAKE SWITCH RED/BLU WIRE RED/YEL WIRE SENS LOW REF SUNLOAD, AMBIENT LIGHT, SECURITY INDICATOR SENSOR TURN SIGNAL SWITCH WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE

2.7L TURBO A/C EVAP TEMP SENS SIG AIR HEATER BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BATTERY POSITIVE VOLTAGE BCM LIN BUS 5 BLK WIRE BLK/YEL WIRE BLOWER MOTOR (RIGHT SIDE OF DASH) BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BLWR MTR SPEED CTRL BLWR SPEED FEEDBACK SIG BODY CONTROL MODULE (LEFT END OF DASH) BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER SOLAR SENS SIG ENGINE COOLANT PUMP GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES HVAC REMOTE ENABLE SIG HVAC SYSTEM ENABLE SIG INSIDE AIR TEMP SENS SIG LOGIC RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SENS LOW REF SIG GND SOLENOID VALVE CTRL VIO/BLK WIRE WHT/YEL WIRE

AIR CONDITIONING SYSTEM AUTOSAR CAN BUS (+) 2 SERIAL DATA AUXILIARY DEVICE 2 SW VOLTAGE BLK WIRE BLK/YEL WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT END OF DASH) BRN/BLK WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA BUS 3 DRIVER FRONT SIDE DOOR LATCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BLK WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/VIO WIRE HOOD STATUS B SIG HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IMMO ANT LO SIG IMMO ANT SIG [+] INSTRUMENT PANEL CLUSTER CONTROL MODULE INTR PASSIVE ENTRY ANT 1 HI SIG INTR PASSIVE ENTRY ANT 1 LO SIG LF DR AJAR LF DR LOCK ACTR LOCK CTRL LF DR OPEN SW SIG LF EXTR DR HNDL SW UNLK SIG LIN BUS 3 LOCK ACTR UNLK CTRL 1 LOCK ACTR UNLK LOW CTRL 2 LOGIC LOW FREQUENCY CONSOLE ANTENNA LR DR LOCK ACTR LOCK CTRL PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR PASSIVE ENTRY LF ANT SIG HI PASSIVE ENTRY LF ANT SIG LO PASSIVE ENTRY RF DR ANT SIG HI PASSIVE ENTRY RF DR ANT SIG LO R CLOSURE KYLS ENTRY ANT HI SIG R CLOSURE KYLS ENTRY ANT LO SIG RF DR AJAR RF DR EXTR SW UNLK SIG RF DR LOCK ACTR LOCK CTRL RR DR LATCH ACTR LOCK CTRL SECURITY IND SECURITY IND CTRL SENS LOW REF SUNLOAD, AMBIENT LIGHT, SECURITY INDICATOR SENSOR SW SIG VIO WIRE VIO/GRY WIRE VIO/WHT WIRE W/O FRONT COMPARTMENT CONSOLE WHT WIRE WHT/GRY WIRE WHT/VIO WIRE YEL/GRN WIRE

ACTUATOR CLOSE CTRL ACTUATOR CTRL CLOSE ACTUATOR CTRL OPEN ACTUATOR OPEN CTRL AIR CONDITIONING REFRIGERANT PRESSURE SENSOR AIR TEMP SIG BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAMSHAFT POSI SENS 1 CANISTER PURGE SOL CTRL CHARGE IND CTRL CRANKSHAFT POSI SENS SIG CRANKSHAFT POSITION SENSOR ENGINE CONTROL MODULE EVAPORATIVE EMISSION CANISTER PURGE SOLENOID VALVE EXH MANIFOLD TEMP SIG EXHAUST SENS LOW REF 1 EXHAUST SOLENOID (1) GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR 2 HIGH SIG BANK 1 SENS 2 HIGH VOLT CTRL CYL 2 HIGH VOLT CTRL CYL 4 HIGH VOLT SPLY CYL 2 HIGH VOLT SPLY CYL 4 IGNITION CTRL 2 IGNITION CTRL 4 INLET COOLANT TEMP SIG INTAKE SENS LOW REF 1 INTAKE SOLENOID (1) KNOCK SENS 1 SIG KNOCK SENS 2 SIG KNOCK SENS LOW REF 1 KNOCK SENS LOW REF 2 LOGIC LOW CTRL BANK 1 SENS 2 LOW REF BANK 1 LOW SIG BANK 1 SENS 2 MANIFOLD ABSOLUTE PRESSURE, INTAKE AIR TEMPERATURE SENSOR MOTOR CLOSE CTRL MOTOR OPEN CTRL NCA WIRE OUTLET COOLANT TEMP SIG POSI SENS LOW REF POSI SENS VOLT PRESS SENS SIG SENS LOW REF SENS LOW REF 1 SENS SENT 1 SIG SOL VALVE CTRL BANK 1 STARTING/ CHARGING SYSTEM TURBOCHARGER BYPASS TURBOCHARGER WASTEGATE ACTUATOR VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRY WIRE W LOW REF WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE X LOW REF YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/WHT WIRE

AUTOSAR BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE APPLY BRN/WHT WIRE CAN BUS (+) 2 COMPUTER DATA LINES SYSTEM CRANKCASE PRESSURE SENSOR ENGINE COOLANT TEMPERATURE SENSOR 2 EXHAUST GAS RECIRCULATION EXHAUST PRESSURE DIFFERENTIAL SENSOR EXHAUST GAS TEMPERATURE SENSOR MODULE 2 EXHAUST PARTICULATE MATTER SENSOR FUEL LEVEL SENSOR FUEL PUMP GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE INSTRUMENT CLUSTER SYSTEM INTAKE AIR FLOW CONTROL VALVE LOGIC MANIFOLD ABSOLUTE PRESSURE, INTAKE AIR TEMPERATURE SENSOR NITROGEN OXIDES SENSOR 1 NITROGEN OXIDES SENSOR 2 NITROGEN OXIDES SENSOR 3 RED/VIO WIRE RED/WHT WIRE SENS CTRL SENS LOW REF SENS SIG SER DATA VIO WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/GRY WIRE