Chevrolet Volt I (2010-2015) gmlan serial data Wiring diagrams

1 2 RH HDLP LO SPLY VOLT LH HDLP LO SPLY VOLT 18 12 LOCK MTR STATUS SIG RR LOCK MTR STATUS SIG LR 2 4 DR LCK CTRL (2) ACTR UNLCK CTRL 24 25 GMLAN SER DATA (-) GMLAN SER DATA (+) 27 16 15 19 2 TRANS SIG ACTR RTN UNLCK SIG LCK SIG GND 6 5 IGN VOLT ACC VOLT ACTR RTN B+ GND B+ GND ACC VOLT 2 3 4 5 6 BATT POS VOLT BLK LT GRN/ WIRE BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BODY CONTROL MODULE (UNDER RIGHT SIDE OF DASH) BRN/LT GRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DOOR LOCK RELAY DR LOCK CTRL LOCK CTRL 2 GMLAN SERIAL DATA GRY WIRE GRY/BLK WIRE GRY/LT GRN WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HOOD AJAR SW SIG HORN RLY CTRL HORNS SYSTEM LT BLU WIRE LT BLU/ WHT WIRE LT BLU/BRN WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN YEL/ WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/LT BLU WIRE RADIO/HVAC CONTROLS RCV SIG RED/BRN WIRE RED/WHT WIRE RLY CTRL SPLY VOLT SW SIG 2 LOW REF SYSTEM TRANS SIG VEHICLE ON/OFF SWITCH VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/LT BLU WIRE YEL WIRE YEL/LT GRN WIRE

19 20 TOUCH SCREEN DISPLAY SIG(-) VEHICLE SPEED SIG ANTENNA SIGNAL SPLITTER BATT POS VOLT BLK WIRE BLK/GRY WIRE BODY CONTROL MODULE (UNDER RIGHT SIDE OF DASH) BRN/LT BLU WIRE BRN/LT GRN WIRE BRN/YEL WIRE CAMERA SIG 2 LOW REFERENCE CAMERA SIG 2 VIOGE RECOGNITION AUDIO SIG CELLULAR PHONE NAVIGATION, DIGITAL RADIO ANTENNA COAX COAX COAX AM/FM XM CRUISE CONTROL SYSTEM DISPLAY DRAIN WIRE DISPLAY SIG + DISPLY FUSE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (PARK OF BRAKE MASTER CYLINDER ASSEMBLY) GMLAN SERIAL DATA GMLAN SERIAL DATA (-) COMPUTER DATA LINES SYSTEM GPS GROUND GRY/BLK WIRE GRY/YEL WIRE HOT AT ALL TIMES INFO DISPLAY MODULE LEFT FRONT DOOR SPEAKER LEFT INSTRUMENT PANEL FUSE BLOCK (BEHIND LEFT END OF DASH) LEFT REAR DOOR SPEAKER LOGIC LT BLU WIRE LT GRN WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE MUTE NAV DISPLY RESET SIG NAVIGATION SYSTEM NCA WIRE RADIO RED/VIO WIRE REMOTE ENABLE SIG RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR DOOR SPEAKER RIGHT STEERING WHEEL CONTROL SWITCH SEEK SEEK SOURCE VOICE DOWN UP STEERING WHEEL AIR BAG COIL (TOP OF STEERING COLUMN) STRG WHL RESISTOR LADDER SIG 2 VEHICLE SPD SIG VIO WIRE VIO/BRN WIRE VOL (-) WHT WIRE WHT/BRN WIRE WHT/LT BLU WIRE WHT/RED WIRE YEL WIRE

19 20 TOUCH SCREEN DISPLAY SIG(-) VEHICLE SPEED SIG BATT POS VOLT BLK WIRE BLK/GRY WIRE BODY CONTROL MODULE (UNDER RIGHT SIDE OF DASH) BRN/LT GRN WIRE BRN/YEL WIRE CAMERA SIG 2 LOW REFERENCE CAMERA SIG 2 VIOGE RECOGNITION AUDIO SIG CELLULAR PHONE NAVIGATION, DIGITAL RADIO ANTENNA COAX COAX COAX COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DISPLAY DRAIN WIRE DISPLAY SIG + DISPLY FUSE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (PART OF BRAKE MASTER CYLINDER ASSEMBLY) GMLAN SERIAL DATA GROUND GRY/BLK WIRE GRY/YEL WIRE HOT AT ALL TIMES INFO DISPLAY MODULE LEFT REAR DOOR SPEAKER LOGIC LT BLU WIRE LT GRN WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE MUTE NAV DISPLY RESET SIG NAVIGATION SYSTEM NCA WIRE RADIO RED/VIO WIRE RED/YEL WIRE REMOTE ENABLE SIG RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER RIGHT STEERING WHEEL CONTROL SWITCH SEEK SOURCE VOICE DOWN STEERING WHEEL AIR BAG COIL (TOP OF STEERING COLUMN) STRG WHL RESISTOR LADDER SIG 2 VEHICLE SPD SIG VIO WIRE VIO/BRN WIRE VOL (-) VOL SEEK UP WHT WIRE WHT/BRN WIRE WHT/LT BLU WIRE WHT/RED WIRE YEL WIRE

1 2 RH HDLP LO SPLY VOLT LH HDLP LO SPLY VOLT 18 12 LOCK MTR STATUS SIG RR LOCK MTR STATUS SIG LR 2 4 DR LCK CTRL (2) ACTR UNLCK CTRL 24 25 GMLAN SER DATA (-) GMLAN SER DATA (+) 27 16 15 19 2 TRANS SIG ACTR RTN UNLCK SIG LCK SIG GND 6 5 IGN VOLT ACC VOLT ACTR RTN B+ GND B+ GND ACC VOLT 2 3 4 5 6 BATT POS VOLT BLK LT GRN/ WIRE BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BODY CONTROL MODULE (UNDER RIGHT SIDE OF DASH) BRN/LT GRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DOOR LOCK RELAY DR LOCK CTRL LOCK CTRL 2 GMLAN SERIAL DATA GRY WIRE GRY/BLK WIRE GRY/LT GRN WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HOOD AJAR SW SIG HORN RLY CTRL HORNS SYSTEM LT BLU WIRE LT BLU/ WHT WIRE LT BLU/BRN WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN YEL/ WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/LT BLU WIRE RADIO/HVAC CONTROLS RCV SIG RED/BRN WIRE RED/WHT WIRE RLY CTRL SPLY VOLT SW SIG 2 LOW REF SYSTEM TRANS SIG VEHICLE ON/OFF SWITCH VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/LT BLU WIRE YEL WIRE YEL/LT GRN WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ELEMENT RTN ELEMENT RTN BLK WIRE BLK/GRY WIRE BLU WIRE BLU/YEL WIRE BRN/LT BLU WIRE COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN/WHT WIRE DRIVER HEATED SEAT SWITCH DRIVER'S BACK HEATED SEAT ELEMENT (UNDER UPHOLSTERY OF DRIVER'S SEAT BACK) DRIVER'S CUSHION HEATED SEAT ELEMENT (UNDER UPHOLSTERY OF DRIVER'S SEAT BOTTOM) DRV HTD VOLT DRV NTC SIG PASS NTC SIG GMLAN SERIAL DATA GND B+ GRN WIRE GRY WIRE HOT AT ALL TIMES HTD/SEAT FUSE HVAC CONTROL MODULE (CENTER OF DASH) LO REF LO REF PNK WIRE LOGIC LT BLU/BLK WIRE LT GRN WIRE LT GRN/YEL WIRE NETWORK BUS 9 ORG/ WIRE PASS HTD VOLT PASSENGER HEATED SEAT SWITCH PASSENGER'S BACK HEATED SEAT ELEMENT (UNDER UPHOLSTERY OF PASSENGER'S SEAT BACK) PNK WIRE PNK/WHT WIRE RADIO/HVAC CONTROLS REAR BODY FUSE BLOCK (LEFT REAR CORNER OF LUGGAGE COMPT) RED WIRE RED/GRY WIRE SEAT HEATING CONTROL MODULE (UNDER FRONT OF DRIVER'S SEAT) VIO WIRE WHT/GRY WIRE YEL WIRE YEL/BLK WIRE

19 20 TOUCH SCREEN DISPLAY SIG(-) VEHICLE SPEED SIG ANTENNA SIGNAL SPLITTER BATT POS VOLT BLK WIRE BLK/GRY WIRE BODY CONTROL MODULE (UNDER RIGHT SIDE OF DASH) BRN/LT BLU WIRE BRN/LT GRN WIRE BRN/YEL WIRE CAMERA SIG 2 LOW REFERENCE CAMERA SIG 2 VIOGE RECOGNITION AUDIO SIG CELLULAR PHONE NAVIGATION, DIGITAL RADIO ANTENNA COAX COAX COAX AM/FM XM CRUISE CONTROL SYSTEM DISPLAY DRAIN WIRE DISPLAY SIG + DISPLY FUSE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (PART OF BRAKE MASTER CYLINDER ASSEMBLY) GMLAN SERIAL DATA GMLAN SERIAL DATA (-) COMPUTER DATA LINES SYSTEM GPS GROUND GRY/BLK WIRE GRY/YEL WIRE HOT AT ALL TIMES INFO DISPLAY MODULE LEFT FRONT DOOR SPEAKER LEFT INSTRUMENT PANEL FUSE BLOCK (BEHIND LEFT END OF DASH) LEFT REAR DOOR SPEAKER LOGIC LT BLU WIRE LT GRN WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE MUTE NAV DISPLY RESET SIG NAVIGATION SYSTEM NCA WIRE RADIO RED/VIO WIRE REMOTE ENABLE SIG RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR DOOR SPEAKER RIGHT STEERING WHEEL CONTROL SWITCH SEEK SEEK SOURCE VOICE DOWN UP STEERING WHEEL AIR BAG COIL (TOP OF STEERING COLUMN) STRG WHL RESISTOR LADDER SIG 2 VEHICLE SPD SIG VIO WIRE VIO/BRN WIRE VOL (-) WHT WIRE WHT/BRN WIRE WHT/LT BLU WIRE WHT/RED WIRE YEL WIRE

19 20 TOUCH SCREEN DISPLAY SIG(-) VEHICLE SPEED SIG BATT POS VOLT BLK WIRE BLK/GRY WIRE BODY CONTROL MODULE (UNDER RIGHT SIDE OF DASH) BRN/LT GRN WIRE BRN/YEL WIRE CAMERA SIG 2 LOW REFERENCE CAMERA SIG 2 VIOGE RECOGNITION AUDIO SIG CELLULAR PHONE NAVIGATION, DIGITAL RADIO ANTENNA COAX COAX COAX COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DISPLAY DRAIN WIRE DISPLAY SIG + DISPLY FUSE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (PART OF BRAKE MASTER CYLINDER ASSEMBLY) GMLAN SERIAL DATA GROUND GRY/BLK WIRE GRY/YEL WIRE HOT AT ALL TIMES INFO DISPLAY MODULE LEFT REAR DOOR SPEAKER LOGIC LT BLU WIRE LT GRN WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE MUTE NAV DISPLY RESET SIG NAVIGATION SYSTEM NCA WIRE RADIO RED/VIO WIRE RED/YEL WIRE REMOTE ENABLE SIG RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER RIGHT STEERING WHEEL CONTROL SWITCH SEEK SOURCE VOICE DOWN STEERING WHEEL AIR BAG COIL (TOP OF STEERING COLUMN) STRG WHL RESISTOR LADDER SIG 2 VEHICLE SPD SIG VIO WIRE VIO/BRN WIRE VOL (-) VOL SEEK UP WHT WIRE WHT/BRN WIRE WHT/LT BLU WIRE WHT/RED WIRE YEL WIRE

AIR BAG IND BLK WIRE BLK/ORG WIRE BRAKE IND BRAKE WARN IND BRK FLUID LVL BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DISPLAY DK BLU WIRE DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT SW SIG DRIVER SEAT BELT SWITCH ELECTRONIC BRAKE CONTROL MODULE (PART OF BRAKE MASTER CYLINDER ASSEMBLY) GMLAN SERIAL DATA HOT W/ IGNITION MAIN RELAY ENERGIZED INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER CENTER CONSOLE) INSTRUMENT CLUSTER LEFT REAR SEAT BELT BUCKLE LEFT REAR SEAT BELT SWITCH LO REF LO SPD GMLAN SERIAL DATA LOGIC LOW TIRE PRESSURE IND LR SEAT BELT SW SIG LT BLU WIRE LT BLU/YEL WIRE LT GRN WIRE LT GRN/GRY WIRE MISC RUN/ CRNK FUSE NCA WIRE ORG/ WIRE ORG/BRN WIRE ORG/VIO WIRE PASSENGER AIR BAG DISABLE INDICATOR PASSENGER SEAT BELT BUCKLE PASSENGER SEAT BELT IND PASSENGER SEAT BELT SW SIG PASSENGER SEAT BELT SWITCH RADIO RIGHT REAR SEAT BELT BUCKLE RIGHT REAR SEAT BELT SWITCH RR SEAT BELT SW SIG RUN/CRANK SEAT BELT IND SERIAL DATA TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/LT GRN WIRE VIO/WHT WIRE YEL/ORG WIRE

3788 3787 3791 COOLING FANS SYSTEM COMPUTER DATA LINES SYSTEM 3790 3953 COOLING FANS SYSTEM 3827 3954 2364 5139 3793 TRUNK, TAILGATE, FUEL DOORS SYSTEM 59 60 61 HIGH CONTROL 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 PILOT SIG IND CTRL 6801 3794 TRUNK, TAILGATE, FUEL DOORS SYSTEM AUXILIARY HEATER CTRL B+ VOLT BATTERY FUSE BLOCK (ON BATTERY POSITIVE (+) POST BATTERY STATE OF CHARGE INDICATOR BLK WIRE BLK/BRN WIRE BLK/LT GRN WIRE BRN/LT BLU WIRE BRN/LT GRN WIRE BRN/WHT WIRE BRN/YEL WIRE CHARGE PORT DOOR POSITION SWITCH (BEHIND REAR OF LEFT FRONT FENDER) COMPUTER DATA LINES SYSTEM COOLANT MOTOR ENABLE COMMUNICATION ENABLE COOLING FAN ENABLE COOLING FAN CTRL SOL VALVE CTRL COOLANT MTR CTRL COOLANT MTR CTRL COOLING FANS SYSTEM COOLING FANS SYSTEM AIR CONDITIONING SYSTEM FAN CONTROL SIGNAL FUEL DOOR LCK/UNLCK REF COOLANT MOTOR ENABLE FUEL DOOR LCK/UNLCK SIG FUSE 6 GMLAN SERIAL DATA GRY/LT GRN WIRE HOT AT ALL TIMES HYBRID/EV BATTERY PACK COOLANT PUMP (FRONT OF ENGINE COMPT, BEHIND RADIATOR) HYBRID/EV POWERTRAIN CONTROL MODULE 2 (UNDER FRONT PASSENGER'S SEAT) IGN 1 VOLT IND CTRL LOGIC LT BLU WIRE LT BLU/BLK WIRE LT BLU/BRN WIRE LT BLU/GRY WIRE LT BLU/VIO WIRE LT BLU/WHT WIRE LT BLU/YEL WIRE LT GRN WIRE LT GRN/VIO WIRE MODE MTR LOW CTRL MOTOR FEEDBACK SIG PROXIMITY STATUS SIGNAL 1 MTR CTRL MTR ENABLE MTR FEED- BACK SIG MTR FEEDBACK SIGNAL NCA WIRE PORT DOOR SENS SIG PORT DOOR WAKEUP SIG RED/VIO WIRE RED/YEL WIRE TO HYBRID/EV BATTERY PACK (DIAGRAM 6 OF 13) TO HYBRID/EV BATTERY PACK (DIAGRAM 8 OF 13) TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/GRY WIRE VIO/LT BLU WIRE VIO/YEL WIRE WAKEUP SERIAL DATA PORT DOOR RLY CTRL SERIAL DATA 2 WHT WIRE WHT/BRN WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/YEL WIRE YEL/GRY WIRE YEL/LT BLU WIRE YEL/LT GRN WIRE YEL/VIO WIRE