Chevrolet Traverse II (2017-2021) serial data Wiring diagrams

A/C EVAPORATOR TEMPERATURE SENSOR AIR INLET DR MTR CTRL 1 AIR INLET DR MTR CTRL 2 AIR INLET DR MTR CTRL 3 AIR INLET DR MTR CTRL 4 AIR IONIZER (IF EQUIPPED) (UNDER CENTER OF DASH) AIR IONIZER ELECTRODE (UNDER CENTER OF DASH) BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/PPL WIRE BLU/WHT WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM EVAP CORE TEMP SENS SIG GRID - GRID - GRID + GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE HVAC CONTROL MODULE (UNDER CENTER OF DASH) HVAC MTR CTRL LEFT LOWER DUCT AIR TEMPERATURE SENSOR LEFT UPPER DUCT AIR TEMPERATURE SENSOR LH LWR TEMP SENS SIG LH UPR TEMP SENS SIG MODE DOOR ACTUATOR MODE DR MTR CTRL 1 MODE DR MTR CTRL 2 MODE DR MTR CTRL 3 MODE DR MTR CTRL 4 MODE DR REAR MTR CTRL 1 MODE DR REAR MTR CTRL 2 MODE DR REAR MTR CTRL 3 MODE DR REAR MTR CTRL 4 PASS MTR CTRL 1 PASS MTR CTRL 2 PASS MTR CTRL 3 PASS MTR CTRL 4 PPL/BLU WIRE PPL/GRY WIRE REAR MODE MTR CTRL RED/BLK WIRE RED/GRN WIRE RED/PPL WIRE RH LWR TEMP SENS SIG RH UPR TEMP SENS SIG RIGHT LOWER DUCT AIR TEMPERATURE SENSOR RIGHT UPPER DUCT AIR TEMPERATURE SENSOR SENS LO REF SERIAL DATA TEMP DR MTR CTRL 1 TEMP DR MTR CTRL 2 TEMP DR MTR CTRL 3 TEMP DR MTR CTRL 4 TEMP DR REAR MTR CTRL 1 TEMP DR REAR MTR CTRL 2 TEMP DR REAR MTR CTRL 3 TEMP DR REAR MTR CTRL 4 WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/PNK WIRE WHT/PPL WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PPL WIRE BLU/WHT WIRE BLU/YEL WIRE CGM FUSE CGM RUN/CRNK FUSE COMMUNICATION DATA LINK CONNECTOR DLC FUSE ENABLE GRN WIRE GRN/WHT WIRE GRY/GRN WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (+) 4 HI SPD GMLAN SERIAL DATA (+) 8 HI SPD GMLAN SERIAL DATA (+) 9 HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HI SPD GMLAN SERIAL DATA (-) 11 HI SPD GMLAN SERIAL DATA (-) 12 HI SPD GMLAN SERIAL DATA (-) 13 HI SPD GMLAN SERIAL DATA (-) 2 PINS 20-22 NOT USED HI SPD GMLAN SERIAL DATA (-) 4 PINS 20-25 NOT USED HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN LO SPD GMLAN SERIAL DATA LO SPD GMLAN SERIAL DATA 2 LO SPD GMLAN SERIAL DATA 3 PINS 27-29 NOT USED RED/WHT WIRE RUN/CRANK IGN 1 VOLTAGE SERIAL DATA SERIAL DATA 2 SERIAL DATA COMM ENABLE PINS 26-30 NOT USED SERIAL DATA GATEWAY MODULE (BEHIND LEFT SIDE OF DASH) SIGNAL GROUND UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE YEL WIRE

BLK WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PPL WIRE BLU/WHT WIRE BLU/YEL WIRE CHEVROLET BUICK COMMUNICATION DATA BUS 12 DATA BUS 18 ENABLE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRY/GRN WIRE GRY/PPL WIRE GRY/YEL WIRE HANDS-FREE LIFTGATE SENSOR CONTROL MODULE HI SPD GMLAN LEFT SIDE OBJECT SENSOR MODULE LIFTGATE CONTROL MODULE LIN SERIAL LIN SERIAL DATA BUS 10 LIN SERIAL DATA BUS 5 LO SPD GMLAN LOGIC LOGIC INSTRUMENT CLUSTER MOST CTRL MOST SERIAL DATA (+) MOST SERIAL DATA (-) 2 RIGHT SIDE OBJECT SENSOR MODULE RIGHT STEERING WHEEL CONTROLS SWITCH SERIAL DATA SERIAL DATA (-) 5 SERIAL DATA (-) 9 SERIAL DATA 2 STEERING WHEEL AIR BAG COIL TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE VIDEO PROCESSING CONTROL MODULE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/PPL WIRE

BLU WIRE BLU/PPL WIRE BLU/YEL WIRE COMMUNICATION ENABLE FRONT OBJECT FRONT VIEW CAMERA MODULE (IF EQUIPPED) (TOP CENTER OF WINDSHIELD) GRN WIRE GRN/GRY WIRE GRY/PPL WIRE HI SPD GMLAN HIGH SPEED BUS TERMINATING RESISTOR LO SPD GMLAN PPL/YEL WIRE SENSOR CTRL 2 SERIAL DATA SERIAL DATA (-) (1) SERIAL DATA (-) 4 SERIAL DATA 2 WHT WIRE WHT/BLU WIRE

2.0L TURBO 3.6L ACCESSORY WAKEUP ACCESSORY WAKEUP SERIAL DATA BATTERY SENSOR MODULE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE DATA BUS 21 ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE FUEL PUMP DRIVER CONTROL MODULE GRN/GRY WIRE GRN/PPL WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (+) (3) HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HIGH SPEED GMLAN LIN SERIAL LIN SERIAL DATA BUS 20 LIN SERIAL DATA BUS 21 LOGIC ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR LOGIC ACTIVE GRILLE AIR SHUTTER 2 ACTUATOR POWER STEERING CONTROL MODULE POWER SUPPLY TRANSFORMER PPL/YEL WIRE SERIAL DATA SERIAL DATA (+) (3) SERIAL DATA COMMUNICATION ENABLE TRANSMISSION CONTROL MODULE (TOP FRONT OF TRANSMISSION) W/ FRONT GRILLE ACTIVE SHUTTERS WHT WIRE WHT/BLU WIRE

BATT POS BCM 7 FUSE BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE CHEVROLET COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE REAR- VIEW MIRROR GRN WIRE GRN/PPL WIRE GRY WIRE GRY/BRN WIRE HANDS FREE HANDS-FREE LIFTGATE SENSOR LAMP HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK KEYLESS ENTRY CONTROL MODULE LEFT FRONT TURN SIGNAL LAMP LEFT TURN SIGNAL REPEATER LAMP LO SPD GMLAN NCA WIRE PASSENGER OUTSIDE REAR VIEW MIRROR POWER SUPPLY TRANSFORMER PPL/BLU WIRE PPL/GRY WIRE PROJECTION LP CTRL RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT TURN SIGNAL LAMP RIGHT SIDE OF RADIATOR) RIGHT TURN SIGNAL REPEATER LAMP SERIAL DATA SPLY VOLT 1 TURN SIGNAL/ MULTI-FUNCTION SWITCH VOLT W/O MANUAL FOLDING MIRROR W/O REAR FOG WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/PPL WIRE YEL/BLU WIRE

AUXILIARY HVAC CONTROLS BLK WIRE BLK/BLU WIRE BLU/GRY WIRE BRN WIRE BRN/WHT WIRE CHEVROLET BUICK COMPUTER DATA LINES SYSTEM DATA BUS 9 DOME OFF IND DRIVER DOOR LOCK SWITCH DRIVER SEAT MEMORY CONTROL MODULE DRIVER SEAT MEMORY SWITCH FRONT OVERHEAD CONSOLE ASSEMBLY GARAGE DOOR OPENER GRN/YEL WIRE GRY/GRN WIRE INTERIOR LIFTGATE CONTROL SWITCH KEYPAD GREEN KEYPAD RED WIRE LED CONTROL LEFT STEERING WHEEL CONTROLS SWITCH LOCAL INTERCONNECT LOGIC LOW REF PASSENGER DOOR LOCK SWITCH RIGHT STEERING WHEEL CONTROLS SWITCH SERIAL DATA STEERING WHEEL AIR BAG COIL TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE W/ MEMORY W/ POWER LIFTGATE W/ UNIVERSAL GARAGE DOOR OPENER WHT WIRE YEL WIRE YEL/PPL WIRE

ACTIVE SAFETY CONTROL MODULE AWD IND BLK WIRE COMPUTER DATA LINES SYSTEM CTRL DATA BUS 3 DATA BUS 4 DRIVE MODE SELECT SWITCH DRIVER WINDOW SWITCH FRONT VIEW CAMERA MODULE GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE INSTRUMENT CLUSTER LANE DEPARTURE LANE KEEPING ASSIST IND LEFT REAR WINDOW SWITCH LO SPD GMLAN LO SPD GMLAN SERIAL DATA 2 LOCAL INTERCONNECT LOCAL INTERCONNECT NETWORK BUS 3 LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 2 LOGIC NETWORK SERIAL PASSENGER WINDOW SWITCH RADIO CONTROLS REAR DIFFERENTIAL CLUTCH CONTROL MODULE RIGHT REAR WINDOW SWITCH SERIAL DATA SERIAL DATA 2 TRANSMISSION SHIFT LEVER POSITION INDICATOR W/ INTEGRATED BRAKE ASSIST W/O INTEGRATED BRAKE ASSIST WARNING IND WHT WIRE YEL WIRE

1-BU BATT POS VOLT BK USB USB BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BUS 10 BUS 5 CAMERA SIG 2 CHEVROLET COAX COAX BU GPS COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM DATA DATA 2 (+) DISPLAY GMLAN SERIAL GMLAN SERIAL DATA (+) 9 GPS GPS/CELL GPS/CELL BN GRN/BLU WIRE GRN/WHT WIRE GRY/GRN WIRE GRY/PPL WIRE GRY/YEL WIRE HUMAN MACHINE INTERFACE CONTROL MODULE LOGIC LOW REF LVDS LVDS BU USB SERIAL DATA MICROPHONE SIG RECOGNITION AUDIO SIG MOST CTRL MOST SERIAL DATA (+) MOST SERIAL DATA (-) 2 NAVIGATION ANTENNA SIGNAL SPLITTER NAVIGATION SYSTEM NCA WIRE RADIO CONTROLS REAR VIEW CAMERA CIRCUIT RECOGNITION AUDIO LOW REF MICROPHONE LO REF RED/BLU WIRE RED/PPL WIRE SERIAL DATA SERIAL DATA BUS 5 TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE TELEPHONE VOICE LOW REF TELEPHONE VOICE SIGNAL USB USB GN USB SERIAL DATA USB RECEPTACLE USB SERIAL VOICE RECOGNITION AUDIO LOW REF VOICE RECOGNITION AUDIO SIG W/ ONSTAR W/O ONSTAR WHT/BLU WIRE WHT/GRN WIRE WHT/PPL WIRE YEL WIRE

1-BU BATT POS VOLT BK USB USB BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BUS 10 BUS 5 CAMERA SIG 2 CHEVROLET COAX COAX BU COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM DATA DATA 2 (+) DISPLAY GMLAN SERIAL GMLAN SERIAL DATA (+) 9 GPS GPS/CELL GPS/CELL BN GRN/BLU WIRE GRN/WHT WIRE GRY/GRN WIRE GRY/PPL WIRE GRY/YEL WIRE HUMAN MACHINE INTERFACE CONTROL MODULE LEFT STEERING WHEEL CONTROLS SWITCH LOW REF LVDS LVDS BU USB SERIAL DATA MICROPHONE SIG RECOGNITION AUDIO SIG MOBILE TELEPHONE MICROPHONE MOST CTRL MOST SERIAL DATA (+) MOST SERIAL DATA (-) 2 MUTE VOICE NAVIGATION ANTENNA SIGNAL SPLITTER NAVIGATION SYSTEM NCA WIRE RADIO CONTROLS REAR VIEW CAMERA CIRCUIT RECOGNITION AUDIO LOW REF MICROPHONE LO REF RED/BLU WIRE RED/PPL WIRE REF SERIAL DATA SERIAL DATA BUS 5 SIG TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE TELEPHONE VOICE LOW REF TELEPHONE VOICE SIGNAL USB USB GN USB SERIAL DATA USB RECEPTACLE USB SERIAL VOICE RECOGNITION AUDIO LOW REF VOICE RECOGNITION AUDIO SIG W/ ONSTAR W/O ONSTAR WHT/BLU WIRE WHT/GRN WIRE WHT/PPL WIRE YEL WIRE