Chevrolet Silverado GMT K2XX facelift (2015-2019) computer data lines system Wiring diagrams

2/- ABS PUMP FUSE ABS VLV FUSE BATT POSITIVE VOLT BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/YEL WIRE BRAKE BOOSTER VACUUM SENSOR BRAKE FLUID LEVEL SENS SIG BRAKE FLUID LEVEL SWITCH BRAKE PRESSURE MODULATOR BRAKE VACUUM SENS 5 VOLT REF BRAKE VACUUM SENS LOW REF BRAKE VACUUM SENS SIG CMBD VHCE IN SENS SPLY VOLT COMPUTER DATA LINES SYSTEM DK BLU WIRE ELECTRONIC BRAKE CONTROL MODULE (ON LEFT SIDE OF FRAME ASSEMBLY) EXCEPT BASE EQUIPMENT BASE EQUIPMENT GMLAN GMLAN SERIAL DATA - 1 GMLAN SERIAL DATA 2 GRN/GRY WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK LEFT FRONT WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR LF WHL SPD SENS CTRL LF WHL SPD SENS SIG LR WHL SPD SENS CTRL LR WHL SPD SENS SIG LT GRN/BRN WIRE LT GRN/GRY WIRE NCA WIRE RED/VIO WIRE RED/YEL WIRE RF WHL SPD SENS CTRL RF WHL SPD SENS SIG RR WHL SPD SENS CTRL RR WHL SPD SENS SIG SENS SERIAL DATA COMM ENABLE SPLY VOLT STEERING WHEEL ANGLE SENSOR (ON STEERING COLUMN) UNDERHOOD FUSE BLOCK VEHICLE SPD SIG VIO WIRE WHT WIRE WHT/DK BLU WIRE YEL WIRE YEL/PPL WIRE YEL/RED WIRE

4.3L FLEX FUEL 5 VOLT REF 5.3L FLEX FUEL, 6.2L 6.6L TURBO DIESEL ABS IND. BASE EQUIPMENT BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE BPP SENS LO REF BPP SENS SIG BRAKE IND BRAKE PEDAL POSITION SENSOR (BEHIND BRAKE PEDAL ASSEMBLY) COMPUTER DATA LINES SYSTEM DESCENT SW DK BLU WIRE DK BLU/VIO WIRE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE EQUIPMENT) ESC IND ESC OFF IND EXCEPT BASE EXCEPT BASE EQUIPMENT GMLAN DATA GMLAN DATA - (1) GRN/GRY WIRE GRY/BRN WIRE GRY/RED WIRE GRY/YEL WIRE HILL DESCENT CONTROL SWITCH HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH IPC FUSE LEFT INSTRUMENT PANEL FUSE BLOCK LOGIC NCA WIRE PARK BRAKE SWITCH PRK BRK SW SIG RED/GRY WIRE RIGHT FRONT WHEEL SPEED SENSOR RIGHT REAR WHEEL SPEED SENSOR SENS LOW REF STOP LP SW SIG TRACTION CONTROL OFF IND TRACTION CONTROL OFF SWITCH TRACTION SW VIO WIRE WHT WIRE WHT/GRN WIRE YEL WIRE

AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/WHT WIRE BLU/GRY WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE FROM AUTOMATIC TRANSMISSION ASSEMBLY (DIAGRAM 1 OF 2) FTP SWITCH 1 VOLTAGE FTP SWITCH 3 VOLTAGE FTP SWITCH 4 VOLTAGE FTP SWITCH 5 VOLTAGE GMLAN SERIAL DATA - 1 GRN WIRE GRY WIRE INPUT SPEED SENSOR SIG ISS/OSS SUPPLY VOLTAGE NCA WIRE OUTPUT SPEED SENSOR SIG RED WIRE SHIFT TAP UP/ TAP DOWN SW SIG TOW/ HAUL MODE SWITCH TRANSMISSION CONTROL MODULE TRANSMISSION FLUID PRESSURE SWITCH TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION MANUAL SHIFT SWITCH TRANSMISSION OUTPUT SHAFT SPEED SENSOR TRANSMISSION RANGE SWITCH SIG A TRANSMISSION RANGE SWITCH SIG B TRANSMISSION RANGE SWITCH SIG C TRANSMISSION RANGE SWITCH SIG P TRANSMISSION SHIFT LEVER VIO/YEL WIRE WHT WIRE YEL WIRE

ACC WAKEUP SER DATA BATT POSITIVE VOLT BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CLUTCH A CTRL CLUTCH B CTRL CLUTCH C CTRL CLUTCH D CTRL CLUTCH E CTRL CLUTCH G CTRL COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY DRIVER SIG 1 DRIVER SIG 2 GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD SER DATA (-) 1 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IMS MODE SW RETURN INPUT SPD SIG INSTRUMENT CLUSTER LO SPD GMLAN SER DATA 2 LOGIC NCA WIRE OUTPUT SPD SIG POWER DISTRIBUTION SYSTEM PRNDL A SIG PRNDL B SIG PRNDL C SIG PRNDL P SIG PRNDL S SIG RED/GRN WIRE RUN/CRANK IGN 1 VOLT SENS LO REF SIG GND SW PERFORMANCE SIG TAP UP/TAP DOWN SW SIG TCC ON/OFF SOL A CTRL TCC ON/OFF SOL B CTRL TCM/ ECM FUSE TEMPERATURE SENS SIG TOW/ HAUL MODE SWITCH TRANS CLUTCH H CTRL TRANS IGN FUSE TRANS INTERMEDIATE SPD SIG TRANSMISSION CONTROL MODULE TRANSMISSION MANUAL SHIFT SWITCH TRANSMISSION SHIFT LEVER UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

A/C CMPRSR MDL/BATT RVC FUSE BATT POS VOLT BLK WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY EXHAUST BRAKE IND EXHAUST BRK SW CTRL EXHAUST BRK SW SIG GRN/WHT WIRE GRN/YEL WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL MULTI- FUNCTION SWITCH LOGIC LOW SPD GMLAN RED/YEL WIRE SER DATA UNDERHOOD FUSE BLOCK WHT WIRE

ACTUATOR UNLCK CTRL AIR CONDITIONING SYSTEM AMBIENT LIGHT/ SUNLOAD SENSOR BATT POS VOLT BCM 3 FUSE BCM 5 FUSE BLK WIRE BLK/YEL WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHILD LOCK IND CHILD LOCK OUT IND CHILD LOCK SWITCH CHILD SECURITY LCK RELAY CTRL COMPUTER DATA LINES SYSTEM DATA DK BLU WIRE DR LCK CTRL DR LCK CTRL 2 DRIVER DOOR LATCH ASSEMBLY (REAR OF DRIVER'S DOOR) DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH DRV LOCK SIG DRV UNLOCK SIG GMLAN GMLAN SERIAL DATA - 1 GRN 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 HVAC CONTROL MODULE IND DIMMING CTRL INSTRUMENT PANEL JUNCTION BLOCK KEY SW UNLCK SIG LEFT INSTRUMENT PANEL FUSE BLOCK LF DR AJAR LF DR AJAR SW SIG LH HDLP LOW BEAM CTRL LIN BUS 3 LOCK MOTOR STATUS LOCK OUT IND LOGIC LOW REF LOW SPD LT GRN/YEL WIRE MOTOR STATUS SIG LR MOTOR STATUS SIG RR MTR STATUS PASS LOCK CTRL PASS UNLOCK CTRL PASSENGER DOOR LOCK SWITCH RED/BRN WIRE RED/DK BLU WIRE RED/GRY WIRE RED/VIO WIRE RF DR AJAR SW SIG RFA CTRL RFA RECEIVE SIG RFA RETURN RFA TRANSMIT SIG RH HDLP LOW BEAM CTRL SECURITY IND CTRL SECURITY LCK SW SIG SERIAL SW SIG UNLOCK SIG VIO/YEL WIRE W/ POWER OPERATED WINDOW W/O POWER OPERATED WINDOW WHT WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/VIO WIRE

AJAR SW SIG BCM 4 FUSE BCM 8 FUSE BLK WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE CHILD SECURITY LOCK DISABLE RELAY COMPUTER DATA LINES SYSTEM DOOR DEAD LOCK RELAY DRIVER DOOR LOCK SWITCH GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK LIN BUS 3 LIN BUS 4 LOGIC LT GRN/GRY WIRE LT GRN/YEL WIRE PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW SWITCH RED/DK BLU WIRE RED/VIO WIRE RF DR RIGHT REAR DOOR LATCH ASSEMBLY (CREW CAB, DOUBLE CAB) (REAR OF RIGHT REAR DOOR) RIGHT REAR WINDOW SWITCH RR DR - VIO/YEL WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/GRN WIRE

5 VOLT REF APPLY SIG AUX CTRL AUXILIARY CHASSIS CONTROL MODULE BATT POS VOLT BLK WIRE BLK/BRN WIRE BLU WIRE BLU/RED WIRE BRK CTRL SIG BRK ENABLE SIG BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE ECM IGN FUSE ENABLE SIG GAIN SIG GRN/BLK WIRE GRN/VIO WIRE GROUND HI SPD GMLAN SERIAL DATA HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED ICCM FUSE IGNITION 1 VOLT INSTRUMENT PANEL JUNCTION BLOCK LOW REF POWER DISTRIBUTION SYSTEM PPL/LT GRN WIRE RED/LT GRN WIRE RED/WHT WIRE SERIAL DATA BUS 14 TRAILER BRAKE CONTROL SWITCH TRAILER BRAKE POWER CONTROL MODULE TRLR BRK FUSE UNDERHOOD FUSE BLOCK VIO/LT GRN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

4.3L, 6.2L, 5.3L 6.6L TURBO DIESEL 6.0L BLK WIRE COMPUTER DATA LINES SYSTEM DATA 1 (+) DK BLU WIRE ENGINE CONTROL MODULE FRONT AXLE ACT CTRL FRONT AXLE ENGAGEMENT ACTUATOR GRY/BLK WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT J102 (6.6L TURBO DIESEL) J123 (6.6L TURBO DIESEL) J124 (EXCEPT 6.6L TURBO DIESEL) LOCK IND LOGIC LOW SIG SERIAL TRANS IGN FUSE TRANSFER CASE SHIFT CONTROL SWITCH UNDERHOOD FUSE BLOCK VIO/BLK WIRE WHT WIRE YEL/WHT WIRE

2 HI 2-HI IND 4 HI 4-HI IND 4-LO IND AUTO BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM CTRL DATA 1 (+) DK BLU WIRE GRN/BLK WIRE GRY/GRN WIRE GRY/RED WIRE IGN 3 ILL IND DIMMER NEUT 4 LO NEUTRAL IND POWER DISTRIBUTION SYSTEM RED/GRY WIRE SERIAL TRANSFER CASE MOTOR TRANSFER CASE SHIFT CONTROL SWITCH VIO WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/VIO WIRE