Chevrolet Tahoe V (2021-2024) computer data lines system Wiring diagrams

AUTOSAR CAN BUS (+) 1 SERIAL DATA AUTOSAR CAN BUS (+) 2 SERIAL DATA 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 ELECTRONIC BRAKE CONTROL MODULE LIN BUS 2 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

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 CTRL BRAKE APPLY SENSOR LOW REF BRAKE APPLY SENSOR SIGNAL 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, 6.2L SUPERCHARGED) 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

AUTOSAR CAN BUS (+) 1 SERIAL DATA AUTOSAR CAN BUS (+) 1 SERIAL DATA (PINS: 11 TO 15 NOT USED) AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (+) 8 SERIAL DATA BATTERY POSITIVE VOLTAGE (PINS: 6 TO 8 NOT USED) BLK WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK ETHERNET BUS 11 (-) GMC/ CHEVROLET GRN WIRE GRN/GRY WIRE HOT AT ALL TIMES IMAGE PROCESSING MODULE IMAGE PROCESSING MODULE LIN BUS 1 (PINS: 24 TO 26 NOT USED) INERTIAL SENSOR SUPPLY VOLTAGE LEFT FRONT SHORT RANGE RADAR SENSOR LEFT SHORT RANGE RADAR REAR SENSOR PRIVATE SERIAL DATA ACTIVE SAFETY CAN BUS (-) SERIAL DATA REAR BODY WIRING HARNESS JUNCTION BLOCK RED/GRN WIRE RED/WHT WIRE RIGHT FRONT SHORT RANGE RADAR SENSOR RIGHT SHORT RANGE RADAR REAR SENSOR SIG GND (PINS: 20 TO 22 NOT USED) VEHICLE DYNAMICS SENSOR (UNDER CENTER CONSOLE) VIO/GRY WIRE WHT WIRE WHT/GRY WIRE

AUXILIARY BLK WIRE BLK/GRN WIRE COMPUTER DATA LINES SYSTEM GRN/BLK WIRE GY LVDS HEAD-UP DISPLAY (UPPER LEFT SIDE DASH) HEAD-UP DISPLAY SWITCH HEADLAMP ON HOT AT ALL TIMES HUD INFO INSTRUMENT PANEL CLUSTER CONTROL MODULE LIN BUS 1 LOGIC LVDS RED/WHT WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK VIDEO SIG YEL WIRE YEL/WHT 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

AC POWER OUTLET STATUS IND CTRL AC POWER OUTLET SWITCH SIGNAL ACC IND BATT POS VOLT BATTERY POSITIVE VOLT BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN/BLK WIRE CAN BUS (-) 5 COMPUTER DATA LINES SYSTEM ENGINE START/ STOP FROM RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK (DIAGRAM 1 OF 11) FRONT FLOOR CONSOLE COMPARTMENT COOLER GRN WIRE GRN/BLK WIRE GROUND GRY/WHT WIRE IGNITION MODE SWITCH ACCESSORY LED SIGNAL IGNITION MODE SWITCH MODE VOLT IGNITION MODE SWITCH START LED SIGNAL ILL LOW LEVEL ON/OFF VEHICLE SWITCH PASSIVE START SWITCH 2 LOW REF PASSIVE START SWITCH SIGNAL 2 RADIO REAR BODY WIRING HARNESS JUNCTION BLOCK RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE SERIAL DATA GATEWAY MODULE START IND STATUS IND STATUS SWITCH STOP/START IND STOP/START IND CTRL STOP/START SWITCH STOP/START SWITCH SIGNAL VEHICLE STABILITY CONTROL SYSTEM SWITCH WIRELESS ACCESSORY CHARGING MODULE YEL WIRE

AUDIO/ VIDEO RECEPTACLE BLK WIRE BLU/GRY WIRE BODY CONTROL MODULE CHEVROLET COLUMN LOCK MODULE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH DATA LINK CONNECTOR FROM ENGINE WIRING HARNESS JUNCTION BLOCK (DIAGRAM 4 OF 11) GEAR SHIFT CONTROL MODULE GMC GRN WIRE LEFT FRONT SEAT BACK VIDEO DISPLAY MULTI-FUNCTION POWER SUPPLY CONVERTER MULTI-MEDIA RECEPTACLE ORG/ WIRE PARKING BRAKE CONTROL SWITCH PASSENGER FRONT SIDE DOOR WINDOW SWITCH RADIO CONTROL RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT SEAT BACK VIDEO DISPLAY SERIAL DATA GATEWAY MODULE STARTING/ CHARGING SYSTEM STEERING COLUMN CONTROL MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL DRIVER MONITORING SYSTEM MODULE STEERING WHEEL RADIO CONTROL SWITCH SUNROOF CONTROL MODULE TELEMATIC CONTROL MODULE TRANSMISSION CONTROL MODULE TRANSMISSION PARK POSITION RELAY VIO/GRN WIRE W/ LANE ACTIVE SAFETY W/ REAR SEAT ENTERTAINMENT W/ REAR SEAT ENTERTAINMENT W/O ARM REST SLIDING W/ REAR SEAT ENTERTAINMENT, ARM REST SLIDING W/O REAR SEAT ENTERTAINMENT WHT WIRE YEL/BLK 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