Chevrolet Volt II (2015-2019) computer data lines system Wiring diagrams

AUTOMATIC TRANSMISSION ASSEMBLY BACKUP LP CTRL BAT POS VOLT BCM 6 FUSE BLK WIRE BLU WIRE BODY CONTROL MODULE BRN WIRE COMPUTER DATA LINES SYSTEM GMLAN SERIAL DATA - 1 GRN WIRE GRN/WHT WIRE GROUND GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT BACKUP LAMP LEFT TAIL LAMP ASSEMBLY LOGIC INSIDE REAR VIEW MIRROR ORG/ WIRE PNK WIRE POWER INVERTER MODULE (TOP OF TRANSMISSION) RED/GRN WIRE RIGHT BACKUP LAMP RIGHT TAIL LAMP ASSEMBLY S BIT SIG TRANSMISSION INTERNAL MODE SWITCH VOLT SUPPLY A VOLT SUPPLY B WHT WIRE YEL/BLK WIRE

ACCELERATE SW SIG ACCESSORY IGNITION VOLTAGE AMBIENT LIGHTING CTRL 1 HI SPD GMLAN SER DATA (-) 1 ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM BACKUP LAMP CTRL BATTERY POSITIVE VOLT BCM 1 FUSE BCM 2 FUSE BCM 3 FUSE BCM 4 FUSE BCM 8 FUSE BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (PASSENGER CENTER CONSOLE) BRAKE APPLY SENS CTRL BRAKE APPLY SENS SIGNAL BRN WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE CHARGE IND CTRL COMPUTER DATA LINES SYSTEM COURTESY LAMP SW SIG CRUISE CONTROL SYSTEM CRUISE CONTROL, EXTERIOR LIGHTS SYSTEMS DOOR LOCKS, ANTI-THEFT SYSTEMS DRIVER DR LK SW LOCK SIG DRIVER DR LK SW UNLOCK SIG GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HAZARD SWITCH SIGNAL HDLP DIMMER SW HI BEAM SIG HDLP SW FLASH TO PASS SIG HEADLAMP SW ON SIG HEADLAMP SW PARK LAMP SIG HEADLAMPS OFF SIG CTRL HEADLIGHTS SYSTEM HI BEAM DIM CTRL HI SPD GMLAN SER DATA (+) 1 HORN SW SIG HORNS SYSTEM HOT AT ALL TIMES I/P LAMP DIMMER SW SIG IGN MODE SW MODE VOLT IGN MODE SW START LED SIG IGNITION 1 VOLTAGE IMMOBILIZER CTRL IMMOBILIZER LOW REF INADVERTENT POWER CTRL INDICATOR DIMMING CONTROL INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL LAMP DIMMING CTRL INTERCONNECT NETWORK BUS 11 INTERCONNECT NETWORK BUS 4 INTERIOR LAMP CTRL INTERIOR LAMP DEFEAT SW SIG LED BACKLIGHT DIMMING CTRL LED DIMMING SIG LF TURN SIG SW SIG LO SPD GMLAN SERIAL DATA LOW REF LOW REFERENCE LOW SPD GMLAN SERIAL DATA NAVIGATION SYSTEM NETWORK SER DATA BUS 15 PARK LOCK SOLENOID CTRL POWER DISTRIBUTION SYSTEM PUSH BUTTON START CHALLENGE ACTIVE SIG RAP RELAY COIL CTRL REAR COMPT LID LAMP CTRL RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/YEL WIRE REMOTE FUNCTION ACTUATOR CTRL REMOTE FUNCTION ACTUATOR RECEIVE SIG REMOTE FUNCTION ACTUATOR TRANSMIT SIGNAL RF DRL CTRL RF TURN SIG SW SIG SHIFT INTERLOCK SYSTEM SHIFT POSITION SIG TAP UP/TAP DOWN SW SIG TRACTION CONTROL SW SIG 1 TRANSMISSIONS SYSTEM UP/DOWN SW SIG VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WASHER SW SIG WINDSHIELD WIPER SW HI SIG WINDSHIELD WIPER SW LOW SIG WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM TRANSMISSIONS SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE

ACCESSORY WAKEUP SERIAL DATA AIR CONDITIONING SYSTEM BATTERY BATTERY CURRENT SENSOR BATTERY POSITIVE VOLTAGE BCM 6 FUSE BCM 7 FUSE BLK WIRE BLK/BRN WIRE BLK/VIO WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (PASSENGER CENTER CONSOLE) BODY CONTROL MODULE FUSE HOLDER BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHMSL CTRL COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG CURRENT SENS CTRL CURRENT SENS LOW REF CURRENT SENS SIG DOME LP OFF IND CTRL DOOR LOCKS, ANTI-THEFT SYSTEMS DR LOCK ACTUATOR CTRL DR LOCK ACTUATOR LOCK CTRL 2 DR LOCK ACTUATOR UNLOCK CTRL END GATE LATCH RLY COIL CTRL FUSE 5 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLU WIRE GRY/YEL WIRE HEADLAMP HIGH BEAM RLY CTRL HEADLIGHTS SYSTEM HI SPEED GMLAN SERIAL DATA (-) 1 HOOD STATUS B SIG HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT PARK LAMP CTRL LF DRL CTRL LF TURN SIG LAMP CTRL LIFTGATE AJAR SW SIG 1 LIN SERIAL DATA BUS 1 LIN SERIAL DATA BUS 2 LIN SERIAL DATA BUS 3 LOW REF LR HEATED SEAT HIGH IND CTRL LR HTD SEAT SW SIG LR STOP LAMP CTRL LR TURN SIG LAMP CTRL LT HDLP LOW BEAM CTRL LUGGAGE COMPT, NEAR BATTERY) PASS DR LOCK SW LOCK CTRL PASS DR LOCK SW UNLOCK CTRL POWER DISTRIBUTION SYSTEM WIPER/WASHER SYSTEM REAR CLOSURE HANDLE SW OPEN SIG REAR LICENSE LAMP CTRL RED WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RF TURN SIG LP CTRL RIGHT PARK LAMP CTRL RR HEATED SEAT HIGH IND CTRL RR HEATED SEAT SW SIG RR STOP LAMP CTRL RR TURN SIG LP CTRL RT HDLP LOW BEAM CTRL RUN IGNITION 3 VOLTAGE RUN/CRANK RELAY COIL CTRL SEATS SYSTEM SERIAL DATA COMM ENABLE SPORT MODE SW SIG STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM COMPUTER DATA LINES SYSTEM VIO WIRE VIO/BRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/YEL WIRE WINDSHIELD WASHER RELAY CTRL WIPER MTR RELAY COIL CTRL WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/VIO WIRE

AUTO BACKUP LAMPS CIRCUIT BATT POS VOLT BCM 1 FUSE BCM 3 FUSE BCM 4 FUSE BCM 7 FUSE BLK WIRE BLK/BRN WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (PASSENGER CENTER CONSOLE) BRK APPLY SENS CTRL BRK APPLY SENS SIG BRN/YEL WIRE CENTER HIGH MOUNTED STOP LAMP CHMSL CTRL COMPUTER DATA LINES SYSTEM GMLAN SERIAL DATA - 1 GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GROUND DISTRIBUTION SYSTEM GRY/BLU WIRE GRY/YEL WIRE HAZ LED DIMMING SIG HAZ SW SIG HAZARD WARNING SWITCH HEAD HEADLAMP SWITCH HEADLIGHTS SYSTEM HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT BACKUP LAMP LEFT FRONT SIDE MARKER LAMP LEFT FRONT TURN SIGNAL LAMP LEFT HEADLAMP ASSEMBLY LEFT LICENSE PLATE LAMP LEFT PARK DAYTIME RUNNING LAMP LEFT REAR TURN SIGNAL LAMP LEFT STOP LAMP LEFT TAIL LAMP LEFT TAIL LAMP ASSEMBLY LF TURN SIG LP CTRL LF TURN SIG SW SIG LH PRK LP CTRL LO REF LR STOP LP CTRL LR TURN SIG OFF OFF SIG CTRL ON SIG PARK PRK LP SIG RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RF TURN SIG LP CTRL RF TURN SIG SW SIG RH PRK LP CTRL RIGHT LICENSE PLATE LAMP RR LICENSE LP CTRL RR STOP LP CTRL RR TURN SIG LP CTRL VIO WIRE W/O PARK ASSIST W/ PARK ASSIST WHT WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BRN WIRE

5-VOLT REFERENCE BACKUP LAMPS CIRCUIT BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE PEDAL POSITION SENSOR COMPUTER DATA LINES SYSTEM DATA DISPLAY GMLAN SERIAL GRN WIRE GRN/VIO WIRE GRN/WHT WIRE HEADLIGHTS SYSTEM INSTRUMENT CLUSTER LOGIC LOW REFERENCE RIGHT BACKUP LAMP RIGHT FRONT SIDE MARKER LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP ASSEMBLY RIGHT PARK DAYTIME RUNNING LAMP RIGHT REAR TURN SIGNAL LAMP RIGHT STOP LAMP RIGHT TAIL LAMP RIGHT TAIL LAMP ASSEMBLY SENSOR SIGNAL SERIAL DATA TURN SIGNAL/ MULTI-FUNCTION SWITCH VIO WIRE W/O PARK ASSIST W/ PARK ASSIST WHT WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE

A SIG ACTR LOCK CTRL ACTR UNLCK CTRL ACTUATOR ACTUATOR CTRL BATT POS VOLT BCM 8 FUSE BLK WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR LOCK SWITCH GMLAN SER DATA GRY WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HOOD STATUS HOOD STATUS B SIG HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES HYBRID/EV POWERTRAIN CONTROL MODULE 2 INSTRUMENT PANEL FUSE BLOCK LH HDLP LO CTRL LOCK CTRL 2 LOCK SIG NCA WIRE PASS DOOR LOCK SW LOCK CTRL PASS DOOR LOCK SW UNLOCK CTRL PASSENGER DOOR LOCK SWITCH RCV SIG RED/BRN WIRE REMOTE CONTROL DOOR LOCK RECEIVER RH HDLP LO CTRL SIG TRANS SIG UNLCK SIG WHT WIRE YEL WIRE YEL/GRN WIRE YEL/VIO WIRE

B+ VOLT BATTERY ENERGY CONTROL MODULE BLK WIRE BLK/BLU WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/VIO WIRE BRN/BLU WIRE COMM CTRL COMPUTER DATA LINES SYSTEM COOLANT MTR CTRL COOLANT RESS PMP FUSE ELECTRIC PUMP FUSE FEEDBACK SIG GRN WIRE GRN/VIO WIRE HOT AT ALL TIMES HYBRID/EV BATTERY CONTACTOR ASSEMBLY HYBRID/EV BATTERY PACK (UNDER CENTER OF VEHICLE) HYBRID/EV BATTERY PACK COOLANT PUMP HYBRID/EV BATTERY PACK COOLANT TEMPERATURE SENSOR 1 HYBRID/EV ELECTRONICS COOLANT PUMP HYBRID/EV ELECTRONICS COOLANT TEMPERATURE SENSOR HYBRID/EV POWERTRAIN CONTROL MODULE 2 LOGIC LOW REF LOW REF 7 LOW SPD GMLAN SERIAL DATA MTR CTRL MTR FEEDBACK SIG RED/BLU WIRE RED/VIO WIRE SENS SIG TEMP SIG 7 UNDERHOOD FUSE BLOCK VIO/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/GRN WIRE YEL/GRY WIRE

AUTOMATIC TRANSMISSION ASSEMBLY BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM COS + DISPLAY DRIVE MOTOR 1 DRIVE MOTOR 2 DRIVE MOTOR CONTROL MODULE 1 DRIVE MOTOR CONTROL MODULE 2 DRIVE MOTOR POSITION SENSOR 1 DRIVE MOTOR POSITION SENSOR 2 ECM/TPIM FUSE ELECTRIC/ AUXILIARY TRANSMISSION FLUID PUMP ENGINE CONTROL MODULE EXCITATION GMLAN SERIAL DATA (-) 3 GMLAN SERIAL DATA - 1 GMLAN SERIAL DATA 2 GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HYBRID/EV POWERTRAIN CONTROL MODULE 1 IGN 1 VOLT INSTRUMENT CLUSTER LO SPD GMLAN SERIAL DATA LOGIC NCA WIRE PNK WIRE POWER INVERTER MODULE (TOP OF TRANSMISSION) RED WIRE RED/VIO WIRE RED/YEL WIRE REPLICATED SIG SIG GND SIN + TAN WIRE TPIM 1 FUSE TPIM 2 FUSE UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/BLU WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

BATT POS VOLT BCM 2 FUSE BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE BRAKE PEDAL POSITION SENSOR CENTER CONSOLE MULTI-FUNCTION SWITCH COMPUTER DATA LINES SYSTEM DRIVE MODE SWITCH ENGINE CONTROL MODULE (BELOW LEFT HEADLAMP) GMLAN SERIAL DATA - 1 GROUND GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK KEY CAPTURE/COLUMN LOCK SHIFT POSITION SIG LEFT SPOKE OF STEERING WHEEL) LOW REF PARK LOCK SOL CTRL PARK POSITION SWITCH RAP RELAY COIL CTRL RED/BLU WIRE RED/VIO WIRE REGENERATIVE BRAKING ON-DEMAND SWITCH SENS CTRL SENS SIG STEERING WHEEL AIR BAG COIL SW SIG TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE

AUTOMATIC TRANSMISSION ASSEMBLY BATT POS VOLT BLK WIRE BLU WIRE BRAKE IND BRN WIRE CLUTCH A CTRL CLUTCH B CTRL CLUTCH C CTRL CLUTCH D CTRL CLUTCH E CTRL COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY GRN WIRE GRN/BLU WIRE GROUND GRY WIRE GRY/VIO WIRE HIGH SIDE DRV 1 SIG HIGH SIDE DRV 2 SIG LIN BUS 2 LINE PRESSURE CONTROL SOLENOID VALVE LOGIC LOW REF ORG/ WIRE PNK WIRE POWER INVERTER MODULE (TOP OF TRANSMISSION) PRESSURE CONTROL SOLENOID VALVE 2 PRESSURE CONTROL SOLENOID VALVE 3 PRESSURE CONTROL SOLENOID VALVE 4 PRESSURE CONTROL SOLENOID VALVE 5 RAP RELAY COIL CTRL RED WIRE RED/VIO WIRE SENS SIG SENS SPLY PNK VOLT SPLY A WIRE SIG SW S BIT SIG TAN WIRE TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION OUTPUT SHAFT SPEED SENSOR TRANSMISSION SHIFT LEVER POSITION INDICATOR VIO WIRE VOLT SPLY B WHT WIRE YEL WIRE YEL/BLK WIRE