Chevrolet Tahoe IV (2014-2021) body control module (lower left side of dash) Wiring diagrams

ACC WAKEUP SER DATA AUTOMATIC TRANSMISSION ASSEMBLY B+ 5 6 GND BLK WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DATA DRIVER INFORMATION CENTER DISPLAY ECM/TCM FUSE ENGINE CONTROL MODULE (LEFT OF ENGINE COMPT) GMLAN SERIAL DATA - 1 GRN WIRE GRY WIRE GRY/VIO WIRE HI SPD GMLAN SERIAL DATA BUS (+) 1 HI SPD GMLAN SERIAL DATA BUS (-) 1 IGNITION 1 VOLTAGE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INSTRUMENT CLUSTER LEFT INSTRUMENT PANEL FUSE BLOCK LOGIC NCA WIRE O/P SPD HI INPUT SIG O/P SPD HIGH INPUT SIG OUT OF PARK SIG P/N PARK/NEUTRAL SIG PARK/NEUTRAL SIG (1) PC 1 SOLENOID PC 2 SOLENOID PC 3 SOLENOID PC 4 SOLENOID PC 5 SOLENOID POWER DISTRIBUTION SYSTEM PRESSURE CONTROL SOLENOID VALVE 1 PRESSURE CONTROL SOLENOID VALVE 2 PRESSURE CONTROL SOLENOID VALVE 3 PRESSURE CONTROL SOLENOID VALVE 4 PRESSURE CONTROL SOLENOID VALVE 5 PRK ENBL/EAP FUSE RED WIRE RED/GRN WIRE SEATS SYSTEM SHIFT SELECT SW PERFORMANCE SIG SHIFT SOLENOID VALVE 1 SHIFT SOLENOID VALVE 2 SIG A SIG B SIG C SIG P SS 1 SS 2 TAP UP/TAP DOWN SW SIG TCC SOLENOID TFP 1 TFP 3 TFP 4 TFP 5 TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID VALVE TOW/HAUL MODE SWITCH TRANS IGN FUSE TRANSMISSION CONTROL MODULE TRANSMISSION FLUID PRESSURE SWITCH TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION MANUAL SHIFT SWITCH UP/DOWN TRANSMISSION SHIFT LEVER TRANSMISSION OUTPUT SHAFT SPEED SENSOR TRANSMISSION PARK POSITION RELAY UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE YEL WIRE YEL/BLK WIRE

ACCESSORY WAKEUP BATT POSITIVE VOLT BLK WIRE BLU WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) COMM ENABLE FRT OBJECT GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE GRY/VIO WIRE HI SPD GMLAN IMMOBILIZER CONTROL MODULE LEFT FRONT SHORT RANGE RADAR SENSOR MODULE LIN BUS 1 LIN BUS 11 LIN BUS 2 LIN BUS 3 LIN BUS 4 LIN BUS 5 LO SPD GMLAN LONG RANGE RADAR SENSOR MODULE RED/BRN WIRE RED/WHT WIRE RIGHT FRONT SHORT RANGE RADAR SENSOR MODULE SENS CTRL 2 SER DATA SER DATA (-) (1) SER DATA (-) 4 VIO WIRE VIO/YEL WIRE W/ COLLISION AVOIDANCE W/ INTEGRATED TRAILER BRAKE CONTROL W/ KEYLESS ENGINE START SWITCH W/O COLLISION AVOIDANCE W/O INTEGRATED TRAILER BRAKE CONTROL WHT WIRE WHT/BLU WIRE WHT/GRN WIRE

5.3L, 6.2L 6.0L ACTUATOR CTRL ACTUATOR LOW REF ACTUATOR RECEIVE SIG ACTUATOR TRANSMIT SIG B+ VOLT BATT POS VOLT BCM 5 FUSE BEAM RELAY CTRL BLK WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CONTENT THEFT DETERRENT SENSOR MODULE DATA BUS 1 DOOR LOCK CTRL ENGINE CONTROL MODULE GLBX FUSE GLOVE BOX DOOR GLOVE BOX DOOR RELEASE SIG GLOVE BOX) GRN/BRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HOOD HOOD AJAR SW SIG HOOD AJAR SWITCH HOOD AJAR SWITCH (INTEGRAL TO HOOD LATCH) HORN RELAY CTRL HORNS SYSTEM HOT AT ALL TIMES IND DIMMING CTRL INSTRUMENT PANEL COMPARTMENT DOOR UNLATCH ACTUATOR INSTRUMENT PANEL COMPARTMENT DOOR UNLATCH ACTUATOR RELAY INSTRUMENT PANEL MULTI-FUNCTION SWITCH 2 LEFT INSTRUMENT PANEL FUSE BLOCK LIN SERIAL DATA LOCK SIGNAL LOGIC NCA WIRE OVERHEAD CONSOLE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RELEASE SIG RIGHT INSTRUMENT PANEL FUSE BLOCK RSE FUSE SECURITY IND CTRL SERIAL DATA (-) (1) SW DISABLE SIG SW LED CTRL SW SIG ULTRASONIC INTRUSION SENSOR 1 ULTRASONIC INTRUSION SENSOR 2 ULTRASONIC INTRUSION SENSOR 3 UNLOCK SIGNAL VIO/BLK WIRE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE

AJAR SW SIG BATT POS VOLT BCM 6 FUSE BCM 7 FUSE BCM 8 FUSE BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHILD LOCKOUT IND CHILD SECURITY LOCK DISABLE RELAY COMPUTER DATA LINES SYSTEM DOOR DEAD LOCK RELAY DOOR LOCK ACTUATOR UNLOCK CTRL DOOR LOCK CTRL DOOR LOCK CTRL 2 DRIVER DOOR LATCH ASSEMBLY GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK LOCK MTR STATUS SIG LOCK MTR STATUS SIG RR LOCK RLY CTRL LOGIC LOGIC DRIVER WINDOW MOTOR NETWORK BUS 3 PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW MOTOR RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SECURITY LOCK SW SIG SW LOCK CTRL SW UNLOCK CTRL VIO/YEL WIRE W/ THEFT DETERRENT BODY SECURITY CONTENT WHT/BLU WIRE WHT/VIO WIRE YEL/BRN WIRE YEL/VIO WIRE

ACCESSORY IGN VOLTAGE ACTIVE SIG ACTUATOR CTRL ACTUATOR LOW REF ACTUATOR RECEIVE SIG ACTUATOR TRANSMIT SIG BATT POS VOLT BCM 5 FUSE BEAM RELAY CTRL BLK WIRE BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHILD LOCKOUT IND CHILD SECURITY LOCK SWITCH COMPUTER DATA LINES SYSTEM DOOR LOCK ACTUATOR UNLOCK CTRL DOOR LOCK CTRL DOOR LOCK CTRL 2 DRIVER WINDOW SWITCH GLOVE BOX DOOR RELEASE SIG GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HOOD AJAR SW SIG HORN RELAY CTRL HORNS SYSTEM HOT AT ALL TIMES IND DIMMING CTRL INSTRUMENT PANEL JUNCTION BLOCK LEFT INSTRUMENT PANEL FUSE BLOCK LIFTGATE AJAR SW SIG LIFTGATE WINDOW LATCH ASSEMBLY LOCK MTR STATUS SIG LOCK MTR STATUS SIG RR LOCK RLY CTRL LOCK SIGNAL LOCK STATUS SIG LOGIC MTR STATUS NETWORK BUS 3 RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RUN/CRANK IGN 1 VOLT SECURITY IND CTRL SECURITY LOCK SW SIG SERIAL DATA (-) (1) SW LOCK CTRL SW UNLOCK CTRL TRUNK, TAILGATE, FUEL DOORS SYSTEM UNLOCK SIG UNLOCK SIGNAL VIO/BLK WIRE VIO/GRY WIRE VIO/YEL WIRE W/ THEFT DETERRENT BODY SECURITY CONTENT WHT WIRE WHT/VIO WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/VIO WIRE

BATT POS VOLT BATTERY FUSE BLOCK BCM 1 FUSE BCM 2 FUSE BLK WIRE BLK/GRY WIRE BLU WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/GRN WIRE BRN/GRY WIRE COIL SPLY VOLT COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FLUID IND CTRL FRT WSW FUSE FT WIPER SW HI SIG FUSE 2 GMLAN SERIAL DATA - 1 GRN/BRN WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK LEFT INSTRUMENT PANEL FUSE BLOCK LO PULSE LOGIC LOW REF MIST MOTOR PARK SW SIG NETWORK BUS 1 OFF POWER DISTRIBUTION SYSTEM PULSE RAIN SENSOR MODULE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SERIAL DATA SPARE/RAIN SNSR FUSE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK VIO WIRE WASHER RLY CTRL WASHER SW SIG WASHER SWITCH WHT WIRE WHT/BLK WIRE WHT/VIO WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER MOTOR WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WIPER SW HI SIG WIPER SW LO SIG WIPER SWITCH WPR FUSE YEL/BLU WIRE YEL/BRN WIRE

AIR CONDITIONING SYSTEM AMBIENT LIGHT SENS SIG AMBIENT LIGHT/SUNLOAD SENSOR (DEFROSTER DEFLECTOR) BATT POS VOLT BATT POS VOLT REAR LAMP FLASHER SIG FRONT FOG LAMP SW SIG HDLP SW ON SIG BATTERY FUSE BLOCK BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FOG LAMP RLY CTRL FOG LP FUSE FRONT FOG LAMP RELAY FTP FUSE 2 GMLAN SERIAL DATA - 1 GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GROUND DISTRIBUTION SYSTEM GRY/BLU WIRE HDLP DIMMER SW HI BEAM SIG HDLP HI BEAM RLY CTRL HDLP LO BEAM RLY CTRL HDLP OFF SIG CTRL HDLP SW FLASH TO PASS SIG HDLP SW PARK LAMP SIG HEADLAMP HIGH BEAM RELAY HEADLAMP LOW BEAM RELAY HOT AT ALL TIMES HVAC CONTROL MODULE LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP BALLAST LEFT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LEFT PARK/DAYTIME RUNNING LAMP LF DRL CTRL LH HDLP LOW BEAM CTRL LOW REF LT HID FUSE LT/RT HI BEAM FUSE NCA WIRE PARK BRAKE SW SIG POWER DISTRIBUTION SYSTEM PPL RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RF DRL CTRL RH HDLP LOW BEAM CTRL RT HID FUSE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK W/ FLASHER HEADLAMP W/ HID W/ HID W/O HID W/ FLASHER HEADLAMP W/O FLASHER HEADLAMP WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE

5.3L, 6.2L 5.3L, 6.2L 6.0L 6.0L AJAR SW SIG AJAR SW SIG 1 AMBIENT AIR TEMP SENS SIG AMBIENT AIR TEMPERATURE SENSOR BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH BRK FLUID LEVEL BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE (LEFT OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL SWITCH ENGINE OIL PRESSURE SENSOR FUEL LEVEL SENS SIG FUEL LEVEL SENSOR FUEL PRESS LOW REF FUEL PUMP, LEVEL SENSOR ASSEMBLY FUEL TANK ASSEMBLY GMLAN SERIAL DATA - 1 GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE INSTRUMENT PANEL JUNCTION BLOCK LIFTGATE LATCH ASSEMBLY LIFTGATE WINDOW LATCH ASSEMBLY LOGIC LOGIC RIGHT REAR WINDOW SWITCH NETWORK BUS 3 NETWORK BUS 4 OIL LVL SW SIG OIL PRESS LO REF OIL PRESS SENS SIG PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW MOTOR PRK BRK SW RIGHT REAR DOOR LATCH ASSEMBLY SECONDARY FUEL LEVEL SENS SIG SECONDARY FUEL LEVEL SENSOR SECONDARY FUEL PUMP, LEVEL SENSOR ASSEMBLY VIO/GRY WIRE W/O POWER LIFTGATE WHT WIRE WHT/RED WIRE YEL/BRN WIRE

ANTENNA BATT POSITIVE VOLT BCM 3 FUSE BLK WIRE BLU WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE GMLAN SERIAL DATA GRN/GRY WIRE GRN/VIO WIRE GRY/BLK WIRE GRY/GRN WIRE HOOD HOOD AJAR SW SIG HOOD AJAR SWITCH HOT AT ALL TIMES IMMOBILIZER CONTROL MODULE IMMOBILIZER RETURN IMMOBILIZER SPLY VOLT INSTRUMENT CLUSTER LEFT INSTRUMENT PANEL FUSE BLOCK LIN BUS 11 LO SPD GMLAN SERIAL DATA 2 LOGIC RED/GRY WIRE RETURN SECURITY INDICATOR SPLY VOLT SW SIG W/ KEYLESS ENGINE START SWITCH 5.3L, 6.2L 6.0L WHT WIRE YEL WIRE

AUTO BLK WIRE BLU WIRE BLU/VIO WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR GRN/GRY WIRE GRN/YEL WIRE GRY WIRE HEAD PARK HEADLAMP SW PARK LAMP SIG HEADLAMP SWITCH IGNITION SWITCH INSTRUMENT PANEL JUNCTION BLOCK KEY-IN SWITCH LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LF DOOR AJAR SW SIG LR DOOR AJAR SW SIG NETWORK BUS 3 NETWORK BUS 4 OFF OFF/RUN/CRANK VOLT PARK BRAKE SW SIG B+ PARK BRAKE SWITCH PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW MOTOR RED/BLU WIRE RED/GRY WIRE RF DOOR AJAR SW SIG RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DOOR AJAR SW SIG RUN WIRE SERIAL DATA (-) (1) WHT WIRE WHT/VIO WIRE