Chevrolet Tahoe V (2021-2024) engine controls system Wiring diagrams

3.0L TURBO DIESEL 6.2L, 5.3L 6.2L, 5.3L 3.0L TURBO DIESEL AMBIENT AIR TEMPERATURE SENSOR BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BRN WIRE COMPUTER CONTROLS DATA LINES ENGINE ENGINE CONTROLS SYSTEM ENGINE COOLANT BYPASS VALVE ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT FLOW CONTROL VALVE BLOCK ENGINE COOLANT TEMPERATURE SENSOR ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR 5 GRN WIRE GRN/BRN WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE INLET CHARGE AIR COOLER AIR TEMPERATURE SENSOR INLET CHARGE AIR COOLER COOLANT TEMPERATURE SENSOR LOGIC MAIN ENGINE COOLANT FLOW CONTROL VALVE NCA WIRE OUTLET CHARGE AIR COOLER AIR TEMPERATURE SENSOR SYSTEM VIO WIRE VIO/BLU WIRE WHT/GRY WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

3.0L TURBO DIESEL 6.2L, 5.3L A/C COMPRESSOR CLUTCH RELAY CONTROL A/C REFRIGERANT PRESSURE SENS SIG AMBIENT AIR TEMPERATURE SENSOR SIGNAL BATTERY POSITIVE VOLTAGE BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CHARGE AIR COOLER IN TEMP SENS LOW REF CHARGE AIR COOLER INLET TEMP SENS SIG CHARGE AIR COOLER OUT TEMP SENS LOW REF CHARGE AIR COOLER OUTLET TEMP SENS SIG COMPUTER DATA LINES SYSTEM COOLANT DIVERTER VALVE ACTUATOR CTRL CLOSE COOLANT DIVERTER VALVE ACTUATOR CTRL OPEN COOLANT DIVERTER VALVE POSITION SIGNAL COOLANT FLOW CONTROL ACTUATOR CONTROL CLOSE COOLANT FLOW CONTROL ACTUATOR CONTROL OPEN COOLANT FLOW CONTROL VALVE POSITION SIGNAL COOLANT TEMP SENS 2 SIG DRIVER INFORMATION CENTER DISPLAY ENGINE BLOCK COOLANT TEMP SIG ENGINE CONTROL MODULE ENGINE CONTROL MODULE GROUND ENGINE CONTROL SENS LOW REF 1 ENGINE CONTROL SENSORS LOW REF 2 ENGINE CONTROL VEHICLE SENSORS 5 VOLT REF 1 ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE IND ENGINE INLET COOLANT TEMP SIG ENGINE INLET COOLANT TEMPERATURE SIGNAL ENGINE OUTLET COOLANT TEMP SIG ENGINE WIRING HARNESS JUNCTION BLOCK ENGINE WTR CHARGE AIR COOLANT TEMP SIG GRN WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC PVT SERIAL DATA POWERTRAIN CAN BUS (-) SERIAL DATA RED/BRN WIRE VIO WIRE VIO/WHT WIRE WHT WIRE WHT/GRY WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

3.0L TURBO DIESEL 6.2L, 5.3L BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROLS SYSTEM ENGINE COOLANT BYPASS VALVE ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT FLOW CONTROL VALVE BLOCK ENGINE COOLANT TEMPERATURE SENSOR ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR 5 GRN WIRE GRN/BRN WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE INLET CHARGE AIR COOLER AIR TEMPERATURE SENSOR INLET CHARGE AIR COOLER COOLANT TEMPERATURE SENSOR LOGIC MAIN ENGINE COOLANT FLOW CONTROL VALVE NCA WIRE OUTLET CHARGE AIR COOLER AIR TEMPERATURE SENSOR VIO WIRE VIO/BLU WIRE WHT/GRY WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

3.0L TURBO DIESEL 6.2L, 5.3L A/C COMPRESSOR CLUTCH RELAY CONTROL BATTERY POSITIVE VOLTAGE BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CHARGE AIR COOLER IN TEMP SENS LOW REF CHARGE AIR COOLER INLET TEMP SENS SIG CHARGE AIR COOLER OUT TEMP SENS LOW REF CHARGE AIR COOLER OUTLET TEMP SENS SIG COMPUTER DATA LINES SYSTEM COOLANT DIVERTER VALVE ACTUATOR CONTROL CLOSE COOLANT DIVERTER VALVE ACTUATOR CONTROL OPEN COOLANT DIVERTER VALVE POSITION SIG COOLANT FLOW CONTROL ACTUATOR CONTROL CLOSE COOLANT FLOW CONTROL ACTUATOR CONTROL OPEN COOLANT FLOW CONTROL VALVE POSITION SIG COOLANT TEMP SENS 2 SIG DRIVER INFORMATION CENTER DISPLAY ENGINE BLOCK COOLANT TEMP SIG ENGINE CONTROL MODULE ENGINE CONTROL MODULE GROUND ENGINE CONTROL SENS LOW REF 1 ENGINE CONTROL SENSORS LOW REFERENCE 2 ENGINE CONTROL VEHICLE SENS 5 V REF 1 ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE IND ENGINE INLET COOLANT TEMP SIG ENGINE INLET COOLANT TEMPERATURE SIG ENGINE OUTLET COOLANT TEMP SIG ENGINE WIRING HARNESS JUNCTION BLOCK ENGINE WTR CHARGE AIR COOLANT TEMP SIG GRN WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC PVT SER DATA POWERTRAIN CAN BUS (-) SER DATA RED/BRN WIRE VIO WIRE VIO/WHT WIRE WHT WIRE WHT/GRY WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

ACCELERATOR PEDAL POSITION SENSOR BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/YEL WIRE BRAKE PEDAL POSITION SENSOR (PART OF BRAKE PEDAL ASSEMBLY) BRN/GRN WIRE BRN/RED WIRE ENGINE CONTROLS SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRN/WHT WIRE GRY/GRN WIRE HOT AT ALL TIMES RED/BRN WIRE W/ ADAPTIVE CRUISE CONTROL WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL/WHT WIRE

3.0L TURBO DIESEL 5-VOLT REF 1 BATT POS VOLT BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS SIG BRAKE PEDAL POSITION SENSOR BRK POS SENS SIG CAN BUS (+) 2 CAN BUS (-) 3 COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENG CTRL SENS ENG CTRL VEH SENS ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROLS SYSTEM EXCEPT 3.0L TURBO DIESEL FRONT FOG LIGHT IND GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE HANDS-FREE LIFTGATE SENS LAMP CTRL HAZARD WARNING SW SIG HAZARD WARNING SWITCH HDLP SW PARK LP SIG HEADLAMP SWITCH HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT TURN IND LH TURN SIG SW SIG LOGIC LOW REF (1) MULTI-FUNCTION POWER SUPPLY CONVERTER OFF AUTO PARK HEAD PARK LAMPS IND REAR CLOSURE HANDS FREE LAMP REAR LICENSE PLATE LAMP RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RH TURN SIG SW SIG RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT TURN IND SIG GND TURN SIGNAL SWITCH VIO/BLU WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE

3.0L TURBO DIESEL ABS IND. ADAPTIVE FRONT LIGHTING (AFL) LIGHT IND AIR BAG IND AUTO STOP IND AUTOSAR CAN BUS (-) 5 SER DATA AUXILIARY VIDEO SIG BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE IND BRN/BLU WIRE CHARGE IND CHARGING GAUGE COMPUTER DATA LINES SYSTEM CRUISE IND DAY NIGHT LED CONTROL DISPLAY DPF WARNING IND (3.0L TURBO DIESEL) DRIVER INFORMATION CENTER DISPLAY ELECTRIC STABILITY OFF CONTROL IND ELECTRONIC STABILITY CONTROL IND ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ENGINE OIL LEVEL GAUGE ETHERNET BUS 7 (-) FORWARD COLLISION ALERT IND FORWARD COLLISION ALERT LED CONTROL FRONT FOG LAMP IND FUEL GAUGE (GMC, CHEVROLET) FUEL IND/ LOW FUEL IND GLOW PLUG IND GMC/ CHEVROLET GRN/BLK WIRE GRN/BRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE GY GY HEAD-UP DISPLAY CIRCUIT HIGH BEAM ASSIST IND HIGH BEAM IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER LIN BUS 1 INSTRUMENT PANEL CLUSTER CONTROL MODULE KM/H MPH IND LANE DEPARTURE WARNING IND LANE KEEPING ASSIST IND LEFT TURN IND LOGIC LOW OIL PRESSURE IND LVDS MALFUNCTION IND NAVIGATION SYSTEM NIGHT VISION ASSIST IND OFF IND PARK BRAKE IND (CADILLAC) PARK IND PARK LAMP IND PEDESTRIAN AHEAD IND RED/GRY WIRE RED/WHT WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT TURN IND RPM IND RUN/CRANK IGNITION 1 VOLTAGE SEAT BELT IND SECURITY IND SERVICE PARK BRAKE IND SIG GND SPEEDOMETER TACHOMETER TIRE PRESSURE IND TOW/HAUL IND (CADILLAC) TRACTION CONTROL OFF IND TRAILER TOWING IND VEHICLE AHEAD IND VIO/WHT WIRE W/ ENHANCED MULTI-COLOR GRAPHICS WAIT TO START INDICATOR CONTROL

ABS IND. ABS INDICATOR CONTROL AIR BAG IND AIR BAG INDICATOR CONTROL AUTOSAR CAN BUS (-) 2 SER DATA AUXILIARY CENTER STACK DISPLAY LOW REFERENCE AUXILIARY CENTER STACK DISPLAY SUPPLY VOLTAGE AUXILIARY CENTER STACK DISPLAY SUPPLY VOLTAGE 2 AUXILIARY DISPLAY SUPPLY VOLTAGE BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/RED WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE FLUID LEVEL SIGNAL BRAKE IND BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE BRAKE WARNING INDICATOR CONTROL BRAKE WARNING INDICATOR CONTROL 2 BRN/WHT WIRE CADILLAC W/ FRONT, REAR DOOR CINCHING CADILLAC W/O FRONT, REAR DOOR CINCHING CHECK ENGINE INDICATOR CONTROL COMPUTER DATA LINES SYSTEM DRIVER FRONT SIDE DOOR LATCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR ENGINE CONTROLS SYSTEM ESC OFF IND GLOW PLUG IND GMC/ CHEVROLET GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT REAR SIDE DOOR LATCH LEFT REAR SIDE DOOR WINDOW REGULATOR MOTOR LEFT REAR SIDE DOOR WINDOW SWITCH LF DOOR AJAR SW SIG LIN BUS 3 LIN BUS 4 LOGIC LOW TIRE PRESSURE INDICATOR CONTROL LR DOOR AJAR SW SIG MALFUNCTION IND ORG/BRN WIRE PARK BRAKE IND PASSENGER FRONT SIDE DOOR LATCH PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR RADIO CONTROL (CADILLAC) RED/GRY WIRE RF DOOR AJAR SW SIG RIGHT REAR SIDE DOOR LATCH RIGHT REAR SIDE DOOR WINDOW REGULATOR MOTOR RIGHT REAR SIDE DOOR WINDOW SWITCH RR DOOR AJAR SW SIG SEAT BELT IND SEAT BELT INDICATOR CONTROL SERVICE PARK BRAKE IND SIGNAL GROUND STABILITY ACTIVE INDICATOR CONTROL STABILITY OFF INDICATOR CONTROL TRACTION CONTROL IND VIO/BLK WIRE WHT WIRE WHT/BLU WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

3.0L TURBO DIESEL 5.3L, 6.2L AMBIENT AIR TEMPERATURE SENSOR AMBIENT AIR TEMPERATURE SENSOR SIGNAL AUTOSAR CAN BUS (-) 2 SER DATA BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRAKE FLUID LEVEL INDICATOR SWITCH BRN/BLU WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROL SENSOR LOW REFERENCE 1 ENGINE CONTROL VEHICLE SENSORS 5 VOLT REFERENCE 1 ENGINE CONTROL VEHICLE SENSORS LOW REFERENCE 1 ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL INDICATOR SWITCH ENGINE OIL PRESSURE SENSOR ENGINE OIL TEMPERATURE SENSOR FUEL LEVEL SENSOR FUEL LEVEL SENSOR LOW REFERENCE FUEL PUMP POWER CONTROL MODULE GMC/ CHEVROLET GRN/GRY WIRE GRN/YEL WIRE HOT AT ALL TIMES J134 (CADILLAC 3.0L TURBO DIESEL) J131 (CADILLAC 6.2L) J135 (CADILLAC 3.0L TURBO DIESEL) J131 (CADILLAC 6.2L) J184 (GMC, CHEVROLET 3.0L TURBO DIESEL) J151 (GMC, CHEVROLET 5.3L, 6.2L) J187 (GMC, CHEVROLET 3.0L TURBO DIESEL) J151 (GMC, CHEVROLET 5.3L, 6.2L) LEFT RIGHT LOGIC OIL LEVEL SWITCH SIGNAL OIL PRESSURE SENSOR SIGNAL OIL TEMPERATURE SENSOR SIGNAL PARKING BRAKE CONTROL SWITCH PARKING BRAKE SWITCH POWER DISTRIBUTION SYSTEM PRIMARY FUEL LEVEL SENSOR SIGNAL PRIVATE SERIAL DATA POWERTRAIN CAN BUS (+) SERIAL DATA RED/GRN WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SEEK DOWN SEEK UP SEL STEERING WHEEL RADIO CONTROL SWITCH TRANSFER CASE FLUID TEMPERATURE SENSOR SIGNAL VIO WIRE WHT WIRE WHT/RED WIRE YEL/BRN WIRE

3.0L 6.2L 6.2L, 5.3L BATTERY POSITIVE VOLT BLK WIRE BLU WIRE BLU/GRY WIRE BLU/YEL WIRE CAN-BUS CHEVROLET/ GMC COMPUTER DATA LINES SYSTEM ENGINE CONTROLS SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK FRONT DRIVE AXLE ACTUATOR FRT AXLE ACTR CTRL GEAR POS SENS LOW REF GRN WIRE GROUND GRY/BLK WIRE HOT AT ALL TIMES HOT W/ FRONT DRIVE AXLE ACTUATOR RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED INCREMENTAL ENCODER DIR SIG INCREMENTAL ENCODER IMPULSE SIG INCREMENTAL ENCODER SENS LOW REF J113 (3.0L) J157 (6.2L, 5.3L) LOGIC NCA WIRE RED/GRY WIRE ROTARY POS SENS SIG RUN/CRANK IGNITION 1 VOLT SECONDARY AXLE MOTOR RELAY CTRL TRANSFER CASE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) TRANSFER CASE LOCK SOL VLV CTRL TRANSFER CASE LOCK SOLENOID CTRL 2 TRANSFER CASE LOCK SOLENOID LOW REF TRANSFER CASE MTR TRANSFER CASE MTR CLOCKWISE CTRL TRANSFER CASE MTR LOW REF VIO WIRE VIO/BLK WIRE VIO/GRY WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE