GMC Acadia I facelift (2013-2016) body control module (bcm) (under left side of dash) Wiring diagrams

13 15 14 17 16 10 SENS SIG SPLY VOLT LOW REF BUS- BUS+ ABS AIR BAG MTR FUSE FUSE ABS IND. ABS MTR FUSE AIR BAG FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) BRAKE BOOSTER VACUUM SENSOR BRAKE FLUID LEVEL SWITCH BRAKE FLUID LEVEL SWITCH (ON RIGHT SIDE OF BRAKE FLUID RESERVOIR) BRAKE IND BRAKE PEDAL POSITION SENSOR BRN WIRE BRN/WHT WIRE BUS - BUS+ LO SPD DT SERIAL DATA COMPUTER DATA LINES SYSTEM CTRL CTRL IND DATA DATA BUS + DATA BUS - SENS SIG LOW REF DATA BUS - DATA BUS - DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE) GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) IGN IND INSTRUMENT CLUSTER (IC) INSTRUMENT PANEL MULTI- FUNCTION SWITCH LEFT FRONT WHEEL SPEED SENSOR (WSS) LEFT FRONT WHEEL SPEED SENSOR (WSS) (ON LEFT FRONT HUB ASSEMBLY) LEFT REAR WHEEL SPEED SENSOR (WSS) LEFT REAR WHEEL SPEED SENSOR (WSS) (ON LEFT REAR HUB ASSEMBLY) LO SPD DT SERIAL DATA LOGIC LOW REF LT BLU WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PARK BRAKE SWITCH SIG PNK WIRE PPL/WHT WIRE RED/BLK WIRE RED/WHT WIRE RIGHT REAR WHEEL SPEED SENSOR (WSS) RIGHT REAR WHEEL SPEED SENSOR (WSS) (ON RIGHT REAR HUB ASSEMBLY) SENS SIG SPLY VOLT STOP LAMP SWITCH SIG STOP LAMP SWITCH SIG 57 39 40 48 68 47 STOP LAMP VOLTAGE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCS SIG TRACTION CONTROL SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) VOLT VOLT IGN WHT BRN WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 GROUND GMLAN SERIAL DATA BUS+ AUTOMATIC TRANSMISSION ASSEMBLY BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE GMLAN SERIAL DATA BUS + GMLAN SERIAL DATA BUS- IGNITION VOLTAGE GMLAN SERIAL DATA BUS- IGNITION VOLTAGE GROUND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED I/P MULTI-FUNCTION SWITCH IGN IGNITION VOLTAGE LT BLU WIRE PNK WIRE PPL PPL 12 VOLT REF PPL TAP UP/TAP DOWN SW SIG PRESSURE CONTROL SOLENOID VALVE 1 PRESSURE CONTROL SOLENOID VALVE 2 PRESSURE CONTROL SOLENOID VALVE 3 PRESSURE CONTROL SOLENOID VALVE 4 PRESSURE CONTROL SOLENOID VALVE 5 RED/WHT WIRE SHIFT SOLENOID VALVE 1 SHIFT SOLENOID VALVE 2 TAN WIRE TAN/BLK WIRE TCM FUSE TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID VALVE TORQUE CONVERTER CLUTCH PRESSURE CTRL SOLENOID VALVE TOW/HAUL SW SIG TOW/HAUL SWITCH TRANS FLUID TEMPERATURE SENSOR TRANS FLUID TEMPERATURE SENSOR LOW REF TRANS FUSE TRANSMISSION CONTROL MODULE TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION FLUID TEMPERATURE SENSOR UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL)

12 VOLTS REFERENCE 1970 1080 HEADLAMP LOW BEAM RLY CTRL PARK LAMP RELAY CONTROL 746 245 745 RF DOOR AJAR SW SIG PASS DOOR LOCK SW UNLOCK 748 747 RR DOOR AJAR SW SIG LEFT REAR DOOR AJAR SW SIG 91 860 WINDSHIELD WPR SW SIG 2 FRT WINDSHIELD WP SW HI SIG AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM WIPER/WASHER SYSTEMS ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM INSTRUMENT CLUSTER SYSTEM EXTERIOR LIGHTS SYSTEM HORNS SYSTEM BACKUP LMP VOLTAGE BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) BRN WIRE CRUISE CONTROL SYSTEM CRUISE CONTROL, TRANSMISSIONS, SOUND SYSTEMS CRUISE CTRL SWITCH SIGNAL CURRENT SENS VOLT CURRENT SENSOR SIGNAL DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM HEADLIGHTS SYSTEM DOOR LOCKS SYSTEM DRL SUPPLY VOLTAGE DRV DR LCK SW LCK SIG DRV DR LCK SW UNLCK SIG DRV DR LCK SW UNLCK SIG DRV DR LCK SW LCK SIG DRV DR UNLOCK RLY CTRL EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM FLASH TO PASS SW SIG FRT WINDSHIELD WP SW HI SIG GRY WIRE GRY/BLK WIRE HANDLE SW OPEN SIG HAZARD SWITCH SIGNAL HEAD LP DIM SW HI BM SIG HEADLAMP LOW BEAM RLY CTRL HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEATED SEAT IND DIMMING HOOD CLOSED SWITCH SIGNAL HORN RELAY CONTROL HORNS SYSTEM HOT AT ALL TIMES IGN II/III/KEY IN IGNITION IGN KEY RESISTOR SIG IGNITION SWITCH IGNITION VOLTAGE INSTRUMENT CLUSTER SYSTEM EXTERIOR LIGHTS SYSTEM INSTRUMENT PNL LP VOLT KEY-IN IGNITION SWITCH L TURN SIG LMP VOLT LED DIMMING SIGNAL LEFT FRONT DOOR AJAR SW SIG LEFT REAR DOOR AJAR SW SIG LEFT TURN SWITCH SIGNAL LH TAIL LP OUTAGE DETECT SIG LH TAIL LP OUTAGE DETECT SIG HORN RELAY CONTROL LIFTGATE AJAR SW SIG LIFTGATE RELAY HIGH CNTRL LOW REF LOW REFERENCE LOW REFERENCE WINDSHIELD WPR SW LO SIG LR STOP/TURN SIG LMP VOLT LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MASTER SW LOCKOUT RR SIG MASTER SW LOCKOUT SIG MASTER SW LR DN SIG MASTER SW LR UP SIG MASTER SW RR DN SIG MASTER SW RR UP SIG MASTER SW RR UP SIG MASTER SW LR DN SIG PPL OFF ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH SIGNAL PARK LAMP RELAY CONTROL PASS DOOR LOCK SW LOCK PASS DOOR LOCK SW UNLOCK PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM EXTERIOR LIGHTS SYSTEM POWER MODE POWER WINDOWS SYSTEM PPL PPL PPL PPL/WHT WIRE REAR WPR/WSR SW SPLY VOLT REMOTE RADIO CNTRL SIG RF DOOR AJAR SW SIG RIGHT TURN SWITCH SIGNAL RR DOOR AJAR SW SIG RR STOP/TURN SIG LMP VOLT RUN WIRE SEATS SYSTEM SOUND SYSTEMS STARTING/CHARGING SYSTEM STEERING WHEEL CNTRL SIG STOP LAMP VOLTAGE STOP LP RLY STOP LP VOLT (OR IGN VOLT) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TAP UP/TAP DN SIG TOW/HAUL SWITCH SIGNAL TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM WHT WIRE WHT/BLK WIRE WINDSHIELD WPR SW HI SIG WINDSHIELD WPR SW LO SIG WINDSHIELD WPR SW SIG 2 WINDSHIELD WSH SW SIG WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM SOUND SYSTEMS WIPER/WASHER SYSTEMS YEL WIRE YEL/BLK WIRE

2 10 B+ LOW SPEED GMLAN BLK WIRE BLK/ GRY WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM COURTESY LAMP HIGH CTRL COURTESY LAMPS ON COURTESY LAMPS ON SWITCH COURTESY LAMPS VOLT CTSY FUSE DK GRN WIRE DOME OVERRIDE SWITCH DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR LATCH ASSEMBLY (REAR OF DRIVER'S DOOR) DRIVER DOOR SWITCH PANEL CONTROL MODULE GRY WIRE GRY/BLK WIRE HEADLAMP SWITCH HOT AT ALL TIMES I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) INADV/ PWR/LED FUSE INTERIOR LAMP SW SIG LEFT I/P COURTESY LAMP LEFT LIFTGATE COURTESY LAMP LEFT REAR DOOR LATCH ASSEMBLY (REAR OF LEFT REAR DOOR) LF DOOR AJAR SW SIG LIFTGATE AJAR LIFTGATE LATCH ASSEMBLY (W/ MANUAL LIFTGATE) (BOTTOM CENTER OF LIFTGATE) LOGIC LOW REF LOW SPEED GMLAN LR DOOR AJAR SW SIG LT BLU/BLK WIRE LT GRN/BLK WIRE ORG/ WIRE PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR SWITCH PANEL CONTROL MODULE PNK/BLK WIRE PPL RED/WHT WIRE RF DOOR AJAR SW SIG RIGHT I/P COURTESY LAMP RIGHT LIFTGATE COURTESY LAMP RIGHT REAR DOOR LATCH ASSEMBLY (REAR RIGHT REAR DOOR) RR DOOR AJAR SW SIG SER DATA SW SIG SWITCH TAN/WHT WIRE W/ DOOR SILL PLATE W/O DOOR SILL PLATE W/ EXPRESS UP/DOWN WINDOWS W/O EXPRESS UP/DOWN WINDOWS YEL WIRE

20 21 WINDSHIELD WPR SW SIG 2 WINDSHIELD WPR HI SIG AIR BAG FUSE BATT 3 FUSE BCM FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY FRT/WSW FUSE GRY WIRE HI LO HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) IGN VOL INSTRUMENT CLUSTER LO OFF INT LO WASHER SWITCH INT LOGIC LOW REFERENCE LOW WASHER FLUID IND CTRL LOW WASHER FLUID IND CTRL LOGIC INSTRUMENT CLUSTER LT BLU WIRE LT GRN WIRE MIST OFF ORG/ WIRE PARK PNK WIRE PPL RED/BLK WIRE RED/WHT WIRE SER DATA TAN WIRE TAN/BLK WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) W/ POWER TILT TELESCOPING STEERING COLUMN W/ POWER TILT TELESCOPING STEERING COLUMN TURN SIGNAL/ MULTI-FUNCTION SWITCH W/O POWER TILT TELESCOPING STEERING COLUMN WASHER SWITCH WINDSHIELD WASH RLY CTRL WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP (ON WASHER FLUID RESERVOIR) WINDSHIELD WASHER PUMP RELAY WINDSHIELD WASHER SW WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MOTOR PARK WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WINDSHIELD WPR HI SIG WINDSHIELD WPR SW HI SIG WINDSHIELD WPR SW LO WINDSHIELD WPR SW SIG 2 WIPER SWITCH WPR/ WSW FUSE YEL WIRE

BLK WIRE BLK/ WHT WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) CTRL DK GRN WIRE END OF DASH) HIGH NOTE HORN HIGH NOTE HORN (BEHIND RIGHT HEADLIGHT) HORN FUSE HORN RELAY HORN SWITCH HORN SWITCH (IN STEERING WHEEL) HOT AT ALL TIMES HRN RLY I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT LOW NOTE HORN STEERING WHEEL AIR BAG COIL TAN WIRE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE WHT WIRE WHT/ BLK WIRE

16 17 DATA BUS+ DATA BUS- BLK WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DATA BUS - HOT AT ALL TIMES IGN VOLT IGNITION CYLINDER LOCK CONTROL SWITCH IGNITION SWITCH INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL FUSE BLOCK (BEHIND RIGHT END OF DASH) KEY CAPTURE SOLENOID ACTUATOR KEY CAPTURE SOLENOID ACTUATOR (LEFT SIDE OF STEERING COLUMN) KEY IN IGNITION SWITCH OFF KEY-IN IGN KEY-IN IGNITION SWITCH OFF POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE PWR MODE FUSE RED WIRE RED/WHT WIRE RUN WIRE RVC SNSR FUSE SYSTEM TAN WIRE TAN/BLK WIRE TRANSMISSION SHIFT LEVER UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE

13 4 MEMORY SW DIMMING LOW REF 2 18 12 11 B+ LED DIMMING SIGNAL 3 2 12 17 INST PANEL LAMP VOLT B+ HEADLAMPS ON HEADLAMPS OFF AUTO BCM FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) BRN/WHT WIRE CLOCK COMPUTER DATA LINES SYSTEM DIMMING SWITCH SIGNAL DK BLU/WHT WIRE DK GRN WIRE DRIVER DOOR SWITCH PANEL CONTROL MODULE DRIVER INFORMATION CENTER (DIC) SWITCH DRIVER INFORMATION CENTER (DIC) SWITCH (IF EQUIPPED) DRIVER SEAT MEMORY SWITCH GMC GMC/ CHEVROLET GRY WIRE HAZARD WARNING SWITCH HEAD HEAD UP DISPLAY (HUD) SWITCH HEAD UP DISPLAY (HUD) SWITCH (IF EQUIPPED) HEADLAMP SWITCH HEADLAMPS OFF HEADLAMPS ON HOT AT ALL TIMES HVAC CONTROL MODULE HVAC CONTROL MODULE (W/ FRONT A/C) I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) INAD/PWR/ LED FUSE INST PANEL LAMP VOLT LED AMBIENT LIGHTNING CONTROL 2 LED DIMMING SIGNAL LEFT INSTRUMENT PANEL ACCENT LAMP LEFT STEERING WHEEL CONTROL SWITCH LOGIC LOGIC DRIVER DOOR SWITCH PANEL CONTROL MODULE LOW REF LOW SPEED GMLAN MEMORY SW DIMMING MIDDLE INSTRUMENT PANEL ACCENT LAMP NCA WIRE OFF ORG/WHT WIRE PARK PARK AUTO PPL PPL BUICK, CHEVROLET GMC PPL GMC PPL LED AMBIENT LIGHTNING CONTROL 2 8 21 INST PANEL LAMP VOLT LED DIMMING SIGNAL PPL/WHT WIRE RADIO RED WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL ACCENT LAMP RIGHT STEERING WHEEL CONTROL SWITCH STEERING WHEEL AIR BAG COIL STR/ WHL/ILLUM FUSE W/ ACCESSORY STEERING WHEEL CONTROL W/O ACCESSORY STEERING WHEEL CONTROL WHT WIRE

B+ GROUND BLK WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) CHEVROLET EXCEPT CHEVROLET DK GRN WIRE GROUND GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) INSTRUMENT PANEL MULTI- FUNCTION SWITCH LOGIC LT GRN WIRE REAR WINDOW WASHER FLUID PUMP REAR WINDOW WASHER FLUID PUMP (ON WASHER FLUID RESERVOIR) REAR WINDOW WASHER PUMP RELAY REAR WINDOW WIPER MOTOR (CENTER OF LIFTGATE) REAR WIPER/ WASHER SWITCH VOLTAGE REAR WPR FUSE RED/WHT WIRE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) WASH RLY CTRL WASHER SWITCH WHT WIRE WIPER SWITCH WIPER/WASHER SW VOLT WIPER SW SIG WIPER/WASHER SW VOLT WIPER SW SIG WASH RLY CTRL

16 17 13 15 14 SER DATA BUS+ SER DATA BUS- SENS SIG SPLY VOLT LOW REF 2500 2501 5361 5359 5360 COMPUTER DATA LINES SYSTEM 40 39 47 68 48 SER DATA - SER DATA + 5 VOLT REF LOW REF SEN SIG 5 VOLT REF A/T SHIFT LK CTRL AUTOMATIC TRANSMISSION ASSEMBLY BATT POS VOLT BLK WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE) GRY WIRE HOT AT ALL TIMES LOW REF ORG/BLK WIRE P/N SIG RED WIRE RED/WHT WIRE RVC SNSR FUSE SEN SIG SENS SIG SER DATA SER DATA BUS - SPLY VOLT TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION INTERNAL MODE SWITCH (IMS) TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR (BASE OF SHIFT LEVER) UNDERHOOD FUSE BLOCK WHT DK GRN/ WIRE WHT WIRE YEL WIRE