Chevrolet Silverado T1XX (2019-2022) computer data lines system Wiring diagrams

"CHECK ENGINE" IND CTRL A/C COMPRESSOR CLTH RLY CTRL A/C REFRIGERANT PRESS SENS SIG ACC WAKEUP SER DATA ACCELERATOR PEDAL POSI LOW REF 1 ACCELERATOR PEDAL POSI LOW REF 2 ACCELERATOR PEDAL POSI SIG 1 ACCELERATOR PEDAL POSI SIG 2 ACCELERATOR PEDAL POSITION SENSOR AIR CONDITIONING SYSTEM AMBIENT AIR TEMPERATURE SENSOR ANTI-THEFT SYSTEM BATT POS VOLT BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRK POS SENS SIG BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT CAM W SIGNAL CAMSHAFT CAM X SIGNAL CAMSHAFT CAM Z CONTROL CAMSHAFT CAM Z SIGNAL CAMSHAFT STEPPER A CONTROL CAMSHAFT STEPPER B CONTROL CAMSHAFT STEPPER C CONTROL CAMSHAFT STEPPER D CONTROL CAMSHAFT STEPPER POSI SENS 1 SIG CAMSHAFT STEPPER POSI SENS 2 SIG CAMSHAFT STEPPER POSI SENS 3 SIG CAMSHAFT STEPPER POSI SENS 4 SIG CAMSHAFT STEPPER POSI SENS SIG COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) EXHAUST LOBE AXIAL POSI SIG 1 EXHAUST LOBE AXIAL POSI SIG 2 FUEL PRESSURE SENSOR FUEL PUMP PRIMARY RELAY CONTROL GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE HEATER CORE OUTLET TEMP SIG HI SPD COOLING FAN RLY CTRL HI SPD GMLAN SERIAL DATA (+) (3) HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) 7 HOOD STATUS A SIG INTAKE LOBE AXIAL POSI SIG 1 INTAKE LOBE AXIAL POSI SIG 2 LIN BUS 32 MASS AIR FLOW SENS SIG MULTI-FUNCTION INTAKE AIR SENSOR OUTSIDE AMBIENT AIR TEMP SENS SIG POWERTRAIN MAIN RLY FUSED SPLY 2 POWERTRAIN MOUNT SOL CTRL 1 POWERTRAIN RLY COIL CTRL RED/BRN WIRE RUN/CRANK IGN 1 VOLT SIG GND POWERTRAIN MAIN RLY FUSED SPLY 1 STARTER ENABLE RLY CTRL STARTER PINION SOL RLY CTRL STARTING/CHARGING SYSTEM STEP CAM A CTRL STEP CAM B CTRL VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/VIO WIRE YEL/WHT WIRE

ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR LOGIC ACTIVE GRILLE AIR SHUTTER 2 ACTUATOR LOGIC ACTUATOR HIGH CTRL ACTUATOR LOW CTRL BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE BUS 21 COMPUTER DATA LINES SYSTEM CTRL DATA DATA 2 (+) DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE OIL IND EVAPORATIVE EMISSION PURGE PUMP EXHAUST CAMSHAFT POSITION ACTUATOR SOLENOID VALVE EXHAUST SENS CTRL 1 FIELD DUTY CYCLE SIG FUEL GAUGE IND GMLAN GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE HI VOLT CTRL CYLINDER 1 HI VOLT CTRL CYLINDER 3 HI VOLT SPLY CYLINDER 1 HI VOLT SPLY CYLINDER 3 IGNITION CONTROL 1 IGNITION CONTROL 3 IND INSTRUMENT CLUSTER INTAKE CAMSHAFT POSITION ACTUATOR SOLENOID VALVE INTAKE SENS CTRL 1 KNOCK SENSOR #2 KNOCK SENSOR 1 LO SPD LOGIC MAIN RLY FUSED SPLY (1) MALFUNCTION IND LAMP OIL PUMP COMMAND SIG OIL PUMP MOTOR CTRL POSI INTAKE SENS 1 SER SERIAL STARTING/ CHARGING SYSTEM VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/VIO WIRE

BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLU/BRN WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM EVAPORATIVE EMISSION VENT SOLENOID VALVE EXHAUST CAMSHAFT POSITION SENSOR FUEL LEVEL SENS LOW REF FUEL LEVEL SENSOR FUEL PUMP FUEL PUMP CONTROL FUEL PUMP DRIVER CONTROL MODULE (UNDER REAR OF VEHICLE, ABOVE SPARE TIRE) FUEL PUMP, LEVEL SENSOR ASSEMBLY FUEL TANK PRESSURE SENSOR GRN/GRY WIRE GRY WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/YEL WIRE HI SPD GMLAN SER DATA (-) 7 HOT AT ALL TIMES INTAKE CAMSHAFT POSITION SENSOR POWER DISTRIBUTION SYSTEM PRESS SENS LOW REF PRESS SENS SIG PRIMARY FUEL LVL SENS SIG PRIMARY RLY CTRL RED/VIO WIRE RED/WHT WIRE RUN/CRANK IGN 1 VOLT SENS BUS ENABLE SHIELD GND SPLY VOLT PHASE 2 SPLY VOLT PHASE 3 UNDERHOOD FUSE BLOCK VENT SOL CTRL VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/BRN WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/RED WIRE YEL/VIO WIRE

"CHECK ENGINE" IND CTRL A/C COMPRESSOR CLU RLY CTRL A/C REF PRESS SENS SIG AIR CONDITIONING SYSTEM ANTI-THEFT SYSTEM APP LOW REF 2 APP SIG (2) BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/RED WIRE BRK POS SENS SIG BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CKP DIFF PRESS SENS SIG COMPUTER DATA LINES SYSTEM COOL FAN HI SPD RLY CTRL COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG DRIVELINE MOUNT ACT 1 CTRL DRIVER INFORMATION CENTER DISPLAY DRIVER MODE 2 SW SIG EGR DIFF PRESS SIG ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) ENGINE OIL IND EXHAUST RESTRICTOR MOTOR CLOSE CTRL EXHAUST RESTRICTOR MOTOR OPEN CTRL FHPP LOW ENABLE SIG FUEL GAUGE IND FUEL PRESSURE REGULATOR 1 FUEL PRESSURE REGULATOR 3 GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE HIGH PRESSURE FUEL PUMP HIGH SPEED GMLAN SERIAL DATA (+) 3 HIGH SPEED GMLAN SERIAL DATA (+) 7 HIGH SPEED GMLAN SERIAL DATA (-) (1) HOOD STATUS A SIG HPFP HIGH SIDE CTRL WAKE-UP SER DATA HPFP LO ENABLE SIG IGN IGN MOD SW MOD CTRL BACKUP INSTRUMENT CLUSTER INTAKE MANIFOLD RUNNER VALVE ACT CTRL LO SPD GMLAN LOGIC LOW REF 1 COOL FLOW CTRL VALVE POS SIG MALFUNCTION IND LIGHT MASS AIR FLOW SENS SIG OIL PRESS SENS SIG POWERTRAIN RELAY COIL CONTROL PWR MAIN RLY FUSED SPLY (2) RED/BRN WIRE RGR VLV HIGH CTRL RGR VLV LOW CTRL SEC FUSED BATTERY POSITIVE VOLT 4 SENS MTR CLOSE CTRL SENS MTR OPEN CTRL STARTER PINION SOL ACTUATOR RELAY CTRL STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM TURBOCHARGER VANE POSITION ACTUATOR VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/YEL WIRE WAIT TO START IND WAIT TO START IND CTRL WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/VIO WIRE

BATT POSITIVE VOLT 8 BATTERY FUSE BLOCK BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM ENGINE COOLANT TEMPERATURE SENSOR 7 ENGINE OIL TEMPERATURE SENSOR EXHAUST TEMPERATURE SENSOR 1 FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 5 FUEL INJECTOR 6 GLOW PLUG 1 CTRL GLOW PLUG 2 CTRL GLOW PLUG 3 CTRL GLOW PLUG 4 CTRL GLOW PLUG 5 CTRL GLOW PLUG 6 CTRL GMLAN SER DATA - (1) GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HIGH PRESSURE EXHAUST GAS RECIRCULATION TEMPERATURE SENSOR 2 HOT AT ALL TIMES IGN 1 VOLT LOW REF RED/VIO WIRE RED/WHT WIRE VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WAKEUP SER DATA WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE

BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE APPLY BRAKE PEDAL POSITION SENSOR BRN WIRE BRN/BLU WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CRANKCASE PRESSURE SENSOR CYLINDER HEAD TEMPERATURE SENSOR DATA 1 (+) ENGINE COOLANT TEMPERATURE SENSOR 5 EXHAUST GAS RECIRCULATION EXHAUST PRESSURE DIFFERENTIAL SENSOR EXHAUST PARTICULATE MATTER SENSOR FUEL PUMP FUEL PUMP, LEVEL SENSOR ASSEMBLY GMLAN SERIAL GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/VIO WIRE HI SPD GMLAN HIGH SPD INTAKE MANIFOLD PRESSURE, AIR TEMPERATURE SENSOR LOGIC NITROGEN OXIDES SENSOR 1 NITROGEN OXIDES SENSOR 2 NITROGEN OXIDES SENSOR 3 RED/VIO WIRE RED/WHT WIRE SENS CTRL SENS LO REF SENS SIG SERIAL THROTTLE BODY (LEFT OF VALVE COVER) VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/GRY WIRE

5-VOLT REFERENCE ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR ACTIVE GRILLE AIR SHUTTER 2 ACTUATOR BATTERY POSITIVE VOLT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/YEL WIRE COMPUTER DATA COMPUTER DATA LINES SYSTEM ENGINE COOLANT TEMPERATURE SENSOR 3 GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE HEATER CONTROL LOW HEATER CTRL IGN IGNITION 1 VOLTAGE 4 LINE HEATER CTRL LINE HEATER LOW CTRL LINES SYSTEM LOGIC LOW REF POSITIVE VOLTAGE 34 PRESSURE SENSOR SIG RADIATOR COOLANT TEMPERATURE SENSOR RED WIRE RED/WHT WIRE REDUCTANT LINE HEATER REDUCTANT PRESSURE SENSOR REDUCTANT PUMP REDUCTANT SENSOR MODULE REDUCTANT TANK HEATER REDUCTANT TEMPERATURE SENSOR SENSOR 5 VOLT REF 1 SENSOR FEEDBACK SIG SERIAL DATA (-) (1) SERIAL DATA (-) 7 SERIAL DATA BUS- SMART PUMP CONTROL TANK 2 HEATER CTRL TANK HEATER LOW CTRL TEMP SENSOR SIG VIO/BLU WIRE VIO/GRN WIRE VOLTAGE PHASE 2 VOLTAGE PHASE 3 WAKE UP SERIAL DATA WAKE UP SIG WHT WIRE YEL WIRE YEL/BLK WIRE

BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CAC INLET TEMP SENS LOW REF CAC INLET TEMP SENS SIG CAMSHAFT POSITION SENSOR CHARGE AIR COOLER INLET TEMPERATURE SENSOR CHARGE IND CTRL OIL TEMP SENS SIG COMPUTER DATA LINES SYSTEM COOL DRV VLV ACT CTRL CLOSE COOL DRV VLV ACT CTRL OPEN COOL TEMP SENS 2 SIG COOLING FANS SYSTEM CRANKSHAFT POSITION SENSOR DEF DISING VLV LOW CTRL DEF DOSING VALVE HIGH CTRL DFI HI VOLT CTRL CYL 3 DFI HI VOLT CTRL CYL 4 DFI HI VOLT SPLY CYL 3 DFI HI VOLT SPLY CYL 4 DRIVELINE MOUNT ACT 2 CTRL ECM LIN BUS 1 ECM LIN BUS 2 ECM LIN BUS 4 EGR 2 VLV CLOSE CTRL EGR 2 VLV OPEN CTRL EGR 2 VLV POS SENS SIG EGR TEMP SENS 2 SIG ENG CTRL SENS LOW REF 1 ENG CTRL SENS LOW REF 2 ENG INLET COOL TEMP SIG ENG METAL TEMP SENS SIG 2 ENG OIL PMP CTRL ENG OUTLET COOL TEMP SIG ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) ENGINE COOLANT TEMPERATURE SENSOR 1 ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE OIL PRESSURE CONTROL SOLENOID VALVE EXHAUST CMP 1 EXHAUST CMP 1 VOLT REF EXHAUST CMP LOW REF 1 EXHAUST GAS RECIRCULATION VALVE 2 FRP SOL VLV CTRL FRP SOL VLV LOW REF FUEL HEATER CTRL FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL PRESSURE REGULATOR 2 GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/YEL WIRE HEATER CORE INLET TEMP SIG HIGH PRESSURE EXHAUST GAS RECIRCULATION TEMPERATURE SENSOR 1 INTAKE MANIFOLD AIR TEMP SENS SIG 2 OIL PMP MTR CTRL REDUCTANT INJECTOR SOUND SYSTEMS STARTING/CHARGING SYSTEM THROTTLE POSITION SENS 1 SIG VIO WIRE VIO/BLK WIRE VIO/BLU WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

BATTERY POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE CLUSTER CLUSTER SYSTEM COMPUTER DATA COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE OIL IND ENGINE OIL PRESSURE SENSOR EVAP CANISTER VENT SOL CTRL EVAPORATIVE EMISSION PURGE SOLENOID VALVE FUEL GAUGE IND FUEL LEVEL SENS LO REF FUEL LEVEL SENSOR FUEL PUMP FUEL PUMP CTRL FUEL PUMP DRIVER CONTROL MODULE (UNDER REAR OF VEHICLE, ABOVE SPARE TIRE) FUEL PUMP PRIMARY RELAY CTRL FUEL PUMP SPLY VOLT PHASE 2 FUEL PUMP SPLY VOLT PHASE 3 FUEL PUMP, LEVEL SENSOR ASSEMBLY FUEL SYS CTRL MOD SHIELD GND FUEL TANK PRESS SENS SIG FUEL TANK PRESSURE SENSOR FUEL TANK VAPOR GMLAN GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HI SPEED GMLAN SER DATA (-) 7 IGN INSTRUMENT INSTRUMENT CLUSTER LINES SYSTEM LO SPD LOGIC MALFUNCTION IND LIGHT POWERTRAIN SENS BUS ENABLE PRESS SENS LO REF PRIMARY FUEL LEVEL SENS SIG RED/BRN WIRE RED/VIO WIRE RUN/CRANK IGNITION 1 VOLT SYSTEM VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/RED WIRE

BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRAKE APPLY BRAKE PEDAL POSITION SENSOR BRN/WHT WIRE COMPUTER COMPUTER DATA LINES SYSTEM DATA 1 (+) DATA LINES ENGINE CONTROL MODULE ENGINE CTRL ENGINE CTRL SENS LO REF 1 ENHANCED DRV MODE 2 SW SIG GMLAN SERIAL GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/WHT WIRE HEATED OXYGEN HEATED OXYGEN SENS HEATED OXYGEN SENS HEATER HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 1 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 2 HI SIG BANK 1 SENS (1) HI SIG BANK 2 SENS 2 HI SPD GMLAN HIGH SPD IGNITION CTRL 2 IGNITION CTRL 3 IGNITION CTRL LO REF BANK 2 KNOCK SENS LO REF KNOCK SENS LO REF 1 LIN SERIAL DATA BUS 21 LO CTRL BANK 1 SENS (1) LO CTRL BANK 1 SENS (2) LO CTRL BANK 2 SENS 1 LO CTRL BANK 2 SENS 2 LO SIG BANK 1 SENS 1 LO SIG BANK 2 SENS 1 LO SIG BANK 2 SENS 2 LOCAL INTERCONNECT NETWORK MAIN RELAY FUSED SPLY 5 NCA WIRE OIL PUMP COMMAND SIG POWERTRAIN POWERTRAIN MAIN RED/BRN WIRE RED/VIO WIRE RELAY FUSED SPLY 1 SENS 5 VOLT REF 2 SENS CTRL SENS HI SIG BANK 2 SENS 1 SENS LO REF SENS SIG SERIAL SYSTEM SYSTEMS THROTTLE ACTR CTRL CLOSE TRANSMISSIONS TRANSMISSIONS SYSTEM VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/WHT WIRE