GMC Hummer EV I (2021-2024) auto sar can bus Wiring diagrams

8 SER DATA 9 SER DATA AUTO SAR CAN BUS BATTERY MONITOR MODULE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MOD BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) CHARGE PORT HOUSING CHARGE PORT HOUSING LAMP COIL CONTROL DC/AC CONVERTER CONTROL MODULE DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE LEFT REAR SIDE DOOR WINDOW REGULATOR MOTOR LIN BUS 1 LIN BUS 11 LIN BUS 13 LIN BUS 16 LIN BUS 2 LIN BUS 4 LIN BUS 5 LIN BUS 6 LIN BUS 7 LIN BUS 9 LONG RANGE FORWARD RANGE RADAR SENSOR NCA WIRE PASSENGER FRONT SIDE DOOR WINDOW CONTROL SWITCH PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR REAR PROGRAMMABLE MODE VALVE ACTUATOR REAR PROGRAMMABLE TEMPERATURE VALVE ACTUATOR REMOTE FUNCTION ACTUATOR MODULE RIGHT REAR SIDE DOOR WINDOW REGULATOR MOTOR RUN/CRANK RLY TRAILER TIRE PRESSURE INDICATOR MODULE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WINDSHIELD OUTSIDE MOISTURE/ AMBIENT LIGHT, HUMIDITY SENSOR YEL WIRE

8 SER DATA 9 SER DATA AUTO SAR CAN BUS AUTOSAR CAN BUS BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE ETHERNET BUS 2 (-) ETHERNET BUS 7 (-) GRN/GRY WIRE LEFT FRONT SHORT RANGE RADAR SENSOR PEDESTRIAN ALERT CONTROL SWITCH RIGHT FRONT SHORT RANGE RADAR SENSOR RIGHT SHORT RANGE RADAR REAR SENSOR RIGHT SHORT RANGE RADAR REAR SIDE SENSOR WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WINDSHIELD FRONT VIEW CAMERA YEL WIRE

1 SER DATA AUTO SAR CAN BUS AUTO SAR CAN BUS (+) 2 SER DATA AUTO SAR CAN BUS (+) 3 SER DATA AUTO SAR CAN BUS (+) 4 SER DATA AUTO SAR CAN BUS (+) 5 SER DATA AUTO SAR CAN BUS (+) 8 SER DATA AUTO SAR CAN BUS (-) 1 SER DATA AUTO SAR CAN BUS (-) 8 SER DATA SIG GND AUTOSAR CAN BUS (-) 5 BATT POS VOLT BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BUS (-) SER DATA ETHERNET BUS 3 (+) GEAR SHIFT CONTROL MODULE (IN FLOOR CONSOLE) GRN WIRE GRN/BLK WIRE GRN/VIO WIRE HOT AT ALL TIMES IGNITION MAIN RELAY ON/OFF VEHICLE SWITCH POWERTRAIN POWERTRAIN CAN PRIVATE SER DATA RADIO CONTROL RED/VIO WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SENS BUS ENABLE SER DATA SERIAL DATA GATEWAY MODULE (LEFT CENTER OF DASH) VIDEO PROCESSING MODULE (UNDER RIGHT SIDE OF DASH) VIO/GRN WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE

1 SER DATA AUTO SAR CAN BUS AUTOSAR CAN BUS (+) 6 SER DATA AUTOSAR CAN BUS (-) 3 AUTOSAR CAN BUS (-) 5 SER DATA AUTOSAR CAN BUS (-) 7 SER DATA BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CAN BUS (-) 1 SER DATA CAN BUS (-) 2 SER DATA CHASSIS CONTROL MODULE DRIVER MONITORING SYSTEM MODULE ETHERNET BUS 1 ENABLE SIG ETHERNET BUS IR (+) ETHERNET BUS IT (+) GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE LEFT "C" PILLAR) PARKING ASSIST CONTROL MODULE PASSENGER RESTRAINTS OCCUPANT CLASSIFICATION SYSTEM MODULE PASSIVE START SW 2 LO REF PASSIVE START SW SIG 2 PRIVATE SER DATA PRESENTATION RED/YEL WIRE RUN/CRANK RLY COIL CTRL SER DATA VIO WIRE VIO/GRN WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

9 SER DATA ACTIVE SAFETY CAN AUTO SAR CAN BUS AUTOMATIC LEVEL CONTROL MODULE AUTOSAR CAN BUS (-) 2 AUTOSAR CAN BUS (-) 3 AUTOSAR CAN BUS (-) 8 BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BUS (-) SER DATA DRIVE MOTOR CONTROL MODULE 1 (TOP OF FRONT ELECTRIC DRIVE TRANSMISSION MODULE) ETHERNET BUS 11 (-) GRN WIRE GRN/GRY WIRE IMAGE PROCESSING MOD LIN BUS 1 MOD PRIVATE CAN POWER STEERING CONTROL MODULE (ON FRONT STEERING RACK) PRIVATE SER DATA SER DATA SUSPENSION CONTROL MODULE TRACTION PWR INV VIO/GRN WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/YEL WIRE YEL WIRE

3 SER DATA 9 SER DATA AUTO SAR CAN BUS AUTOSAR CAN BUS (-) 4 AUTOSAR CAN BUS (-) 5 BATTERY ENERGY CONTROL MODULE 2 (FRONT OF RIGHT REAR WHEELWELL) BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE MASTER CYLINDER (LEFT SIDE OF FRONT COMPT) BRAKE SYSTEM CONTROL MODULE BRK SYSTEM CTRL DRIVER SEAT ADJUSTER DRIVER SEAT ADJUSTER MEMORY MODULE ETHERNET BUS 7 (-) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE INSTRUMENT PANEL CLUSTER CONTROL MODULE IP CLUSTER CTRL MOD LIN BUS 1 MOD LIN BUS 1 MOD LIN BUS 2 PARKING BRAKE CONTROL SWITCH POWERTRAIN COMPARTMENT COVER MODULE PRIVATE SER DATA ACTIVE SAFETY CAN BUS (-) SER DATA SER DATA TRAILER BRAKE CONTROL MODULE TRAILER BRAKE CONTROL SWITCH VEHICLE DYNAMICS SENSOR VIO/GRN WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/YEL WIRE YEL WIRE

9 SER DATA AUTO SAR CAN BUS AUTOSAR CAN BUS (-) 5 BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BUS (-) SER DATA DRIVER FRONT SEAT ADJUSTER SWITCH DRIVER SEAT ADJUSTER ETHERNET BUS 4 (-) GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/WHT WIRE HEATER, AIR CONDITIONING AUXILIARY CONTROL IMAGE PROCESSING LIGHTING CONTROL MODULE MEM MOD LIN BUS 1 MOD LIN BUS 1 NEAR FIELD COMMUNICATION MODULE RED/BLK WIRE RESTRAINTS CONTROL MODULE RIGHT END OF DASH) SER DATA STEERING COLUMN CONTROL MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL DRIVER MONITORING SYSTEM MODULE STEERING WHEEL RADIO CONTROL SWITCH TELEMATIC CONTROL MODULE VIO/GRN WIRE VIRTUAL KEY PRIVATE CAN (+) WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/ORG WIRE WHT/YEL WIRE WIRELESS ACCESSORY CHARGING MODULE YEL WIRE

9 SER DATA AUDIO AMPLIFIER AUTO SAR CAN BUS AUTOSAR CAN BUS (-) 5 AUTOSAR CAN BUS (-) 8 BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BUS (-) SER DATA BUS (-) SER DATA AUTO SAR CAN BUS DRIVE MOTOR CONTROL MODULE 3 DRIVER FRONT SEAT BLADDER CONTROL MODULE DRIVER SEAT ADJUSTER ETHERNET BUS 2 (-) ETHERNET BUS 4 (-) ETHERNET BUS 6 (-) GRN WIRE GRN/GRY WIRE LEFT SHORT RANGE RADAR REAR SENSOR LEFT SHORT RANGE RADAR REAR SIDE SENSOR MEM MOD LIN BUS 2 MOD PRIVATE CAN RADIO REAR POWER STEERING CONTROL MODULE SER DATA TRACTION PWR INV UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 1 VIO/GRN WIRE VIRTUAL KEY PRIVATE CAN (+) WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE

9 SER DATA ACTIVE GRILLE AIR SHUTTER ACTUATOR 1 ACTIVE GRILLE AIR SHUTTER ACTUATOR 2 AUTO SAR CAN BUS BATT ENERGY CONTROL BATTERY CHARGER BATTERY ENERGY CONTROL MODULE 1 (FRONT OF LEFT REAR WHEELWELL) BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BUS (-) SER DATA COOLING FAN MOTOR GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE HEATER AIR CONDITIONING CONDENSER REFRIGERANT FLOW VALVE HI VOL BATT ISOLATED HYBRID/ELECTRIC VEHICLE BATTERY COOLANT PUMP HYBRID/ELECTRIC VEHICLE COOLANT HEATER HYBRID/ELECTRIC VEHICLE ELECTRONICS COOLANT PUMP HYBRID/ELECTRIC VEHICLE PROPULSION SYSTEM COOLANT CONTROL VALVE 1 HYBRID/ELECTRIC VEHICLE PROPULSION SYSTEM COOLANT CONTROL VALVE 2 MODULE LIN BUS 1 MODULE LIN BUS 2 MODULE LIN BUS 3 MODULE LIN BUS 4 MODULE LIN BUS 5 MODULE LIN BUS 6 POWERTRAIN POWERTRAIN CAN PRIVATE SER DATA SENS BUS ENABLE SPI BUS 1 (+) SER DATA SPI BUS 3 (-) SER DATA VIO/GRN WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE YEL WIRE

8 SER DATA AUTO SAR CAN BUS AUTOMATED DRIVING MAPPING MODULE (LEFT SIDE OF DASH) BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MOD ETHERNET BUS 11 (-) ETHERNET BUS 3 (+) FRONT SEAT HEATER VENT CONTROL MODULE GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE HYBRID/ELECTRIC VEHICLE BATTERY DISCONNECT RELAY HYBRID/ELECTRIC VEHICLE BATTERY PACK COMMUNICATION MODULE LEFT PROGRAMMABLE TEMPERATURE VALVE ACTUATOR LIN BUS 11 LIN BUS 2 LOGIC PROGRAMMABLE AIR INLET VALVE ACTUATOR PROGRAMMABLE MODE VALVE ACTUATOR REAR SEAT HEATER VENT CONTROL MODULE RIGHT PROGRAMMABLE TEMPERATURE VALVE ACTUATOR WHT WIRE WHT/GRN WIRE WHT/GRY WIRE YEL WIRE