GMC Acadia I facelift (2013-2016) 2500 2501 computer data lines system Wiring diagrams

16 17 GMLAN + GMLAN - 22 21 6 LOW REF 24 8 LOW REF ECT 2500 2501 COMPUTER DATA LINES SYSTEM A/C CLUTCH A/C PRESSURE A/C REFRIGERANT PRESSURE SENSOR A/C REFRIGERANT PRESSURE SENSOR (NEAR REAR OF A/C COMPRESSOR) AMBI AIR TEMP SENS SIG AMBI AIR TEMP SENS SIG LOW SPEED GMLAN AMBIENT AIR TEMPERATURE SENSOR AUX MODE DOOR CTRL BLK WIRE BLK/WHT WIRE BLOWER SPEED DOWN BLOWER SPEED UP BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER SENSOR DRIVER TEMP DOWN DRIVER TEMP UP DRL SENSOR DRV SUNLOAD SENS SIG ECT ELECTRIC VARIABLE DISPLACEMENT CTRL ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE) ENGINE COOLANT TEMPERATURE (ECT) SENSOR ENGINE COOLANT TEMPERATURE (ECT) SENSOR (LEFT SIDE OF ENGINE) GMLAN GND POWER MODE GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HI SPD BUS- HI SPD CLG FAN HOT AT ALL TIMES HVAC CONTROL MODULE HVAC FUSE I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) IN AIR TEMP SENS SIG IN AIR TEMP SENS SIG PASS SUNLOAD SENS SIG INSIDE AIR TEMPERATURE SENSOR LO SPD CLG FAN LOGIC LOGIC HVAC CONTROL MODULE LOW REF LOW SPEED GMLAN LT BLU/BLK WIRE LT GRN/BLK WIRE MODE DOWN MODE UP ORG/ WIRE ORG/BLK WIRE PASS SUNLOAD SENS SIG PASSENGER SENSOR PNK 3 4 WIRE PNK WIRE POWER MODE PPL REAR DEFOG REAR WINDOW DEFROST ELECTRIC VARIABLE SWITCH DISPLACEMENT COMPRESSOR SPLY RED/WHT WIRE RIGHT AIR TEMP SW SIG SUNLOAD SENSOR SUNLOAD SENSOR (UNDER CENTER OF DASH, NEAR WINDSHIELD DEFROST VENT) TAN WIRE TAN/BLK WIRE UPPER LEFT AIR TEMPERATURE SENSOR UPPER LEFT AIR TEMPERATURE SENSOR (FRONT LEFT END OF HVAC MODULE) UPPER LEFT TEMP SENS SIG UPPER RIGHT AIR TEMPERATURE SENSOR UPPER RIGHT AIR TEMPERATURE SENSOR (FRONT RIGHT END OF HVAC MODULE) UPPER RIGHT TEMP SENS SIG WHT WIRE YEL WIRE

2500 2501 COMPUTER DATA LINES SYSTEM BACKUP LAMP VOLT BCK/UP/STOP FUSE 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 DATA BUS - ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE) GRN WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) LEFT BACKUP LAMP LEFT LIFTGATE TAIL LAMP ASSEMBLY LT GRN WIRE ORG/BLK WIRE PARK/ NEUTRAL SIG RED WIRE RED/WHT WIRE RIGHT BACKUP LAMP RIGHT LIFTGATE TAIL LAMP ASSEMBLY SERIAL DATA BUS (+) SERIAL DATA BUS (-) SERIAL DATA BUS- SIG A SIG B SIG C SIG P TAN WIRE TAN/BLK WIRE TRAILER BACKUP LAMP RELAY TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH AUTOMATIC TRANSMISSION ASSEMBLY UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) W/ TRAILER PROVISION WHT WIRE YEL WIRE

13 5 LF DOOR AJAR LOW REF 16 17 GMLAN SER DATA BUS+ GMLAN SER DATA BUS- 17 10 HOOD AJAR B+ 18 24 15 HORN RELAY PARK LAMPS ON HOOD CLOSED 2500 2501 COMPUTER DATA LINES SYSTEM 28 1080 5531 EXTERIOR LIGHTS SYSTEM 5 4 GND B+ 7 9 DOORS LOCKED DOORS UNLOCK BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DK GRN WIRE DOOR LOCK RELAY DOOR UNLOCK RELAY DR LOCK ACTR LOCK CTRL DR LOCK ACTR UNLOCK CTRL DR/LCK FUSE DRIVER DOOR LATCH ASSEMBLY (REAR OF DRIVER'S DOOR) DRIVER DOOR SWITCH PANEL CONTROL MODULE GROUND GRY WIRE GRY/BLK WIRE HORNS SYSTEM HOT AT ALL TIMES I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) LIFTGATE AJAR LOCK LOGIC LR DOOR AJAR LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE PNK/BLK WIRE PPL RED/WHT WIRE RR DOOR AJAR RVC SNSR FUSE SERIAL DATA TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) UNLOCK WHT WIRE YEL WIRE

16 17 GMLAN SER DATA BUS+ GMLAN SER DATA BUS- 17 10 HOOD AJAR SW SIG BATT POS VOLT 18 24 HORN RELAY CTRL PARK LAMP RLY CTRL 2500 2501 COMPUTER DATA LINES SYSTEM 28 1080 HORNS SYSTEM EXTERIOR LIGHTS SYSTEM 7 9 6 UNLOCK RLY CTRL UNLOCK RLY CTRL RLY UNLOCK CTRL BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) DK BLU WIRE DOOR LOCK RELAY DOOR UNLOCK RELAY DR LOCK SW LOCK DR LOCK SW UNLOCK DR/LCK FUSE DRIVER DOOR SWITCH PANEL CONTROL MODULE DRIVER DOOR UNLATCH RELAY GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) LIFTGATE AJAR SW SIG LOCK SIG LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/BLK WIRE PASSENGER DOOR SWITCH PANEL CONTROL MODULE PNK/BLK WIRE PPL PPL HOOD CLOSED SW SIG RED/WHT WIRE RVC SNSR FUSE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) UNLOCK SIG WHT WIRE YEL WIRE

1 2 3 4 POWER GND LIN NETWORK 14 15 RR DOOR AJAR LR DOOR AJAR 16 17 SER DATA GMLAN+ SER DATA GMLAN- 2500 2501 COMPUTER DATA LINES SYSTEM 29 PNK WIRE AIR BAG FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) BRN WIRE BUS - COMPASS MODULE (W/ COMPASS DISPLAY) (ABOVE REAR CENTER OF HEADLINER) COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH DRIVER DOOR LATCH (W/O EXPRESS UP/ DOWN WINDOWS) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE) ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL SWITCH ENGINE OIL PRESSURE (EOP) SWITCH ENGINE OIL PRESSURE (EOP) SWITCH (LOWER LEFT FRONT OF ENGINE) FUEL PUMP, SENDER ASSEMBLY FUEL PUMP/ SENDER ASSEMBLY (IN FUEL TANK) GND LIN NETWORK BUS GRY WIRE GRY/BLK WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT REAR DOOR LATCH LF DOOR AJAR LIFTGATE AJAR LIFTGATE AJAR 10 8 LF DOOR AJAR RF DOOR AJAR LIFTGATE LATCH ASSEMBLY LIFTGATE LATCH ASSEMBLY (W/ MANUAL LIFTGATE) (BOTTOM CENTER OF LIFTGATE) LIN NETWORK BUS LOW REFERENCE LR DOOR AJAR LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE OIL LEVEL SW SIG OIL PRES SW SIG ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PASSENGER DOOR LATCH PASSENGER DOOR LATCH (W/O EXPRESS UP/ DOWN WINDOWS) PNK WIRE PNK/BLK WIRE POWER POWER MODE PPL PPL 25 26 39 40 FUEL LEVEL LOW REFERENCE SER DATA BUS+ SER DATA BUS- PPL FUEL LEVEL PRK BRK SW SIG RED/WHT WIRE RF DOOR AJAR RR DOOR AJAR SER DATA BUS - SER DATA GMLAN TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) W/ MANUAL LIFTGATE W/O EXPRESS UP/ DOWN WINDOWS

13 5 LF DOOR AJAR LOW REF 16 17 GMLAN SER DATA BUS+ GMLAN SER DATA BUS- 17 10 HOOD AJAR B+ 18 24 15 HORN RELAY PARK LAMPS ON HOOD CLOSED 2500 2501 COMPUTER DATA LINES SYSTEM 28 1080 5531 EXTERIOR LIGHTS SYSTEM 5 4 GND B+ 7 9 DOORS LOCKED DOORS UNLOCK BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DK GRN WIRE DOOR LOCK RELAY DOOR UNLOCK RELAY DR LOCK ACTR LOCK CTRL DR LOCK ACTR UNLOCK CTRL DR/LCK FUSE DRIVER DOOR LATCH ASSEMBLY (REAR OF DRIVER'S DOOR) DRIVER DOOR SWITCH PANEL CONTROL MODULE GROUND GRY WIRE GRY/BLK WIRE HORNS SYSTEM HOT AT ALL TIMES I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) LIFTGATE AJAR LOCK LOGIC LR DOOR AJAR LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE PNK/BLK WIRE PPL RED/WHT WIRE RR DOOR AJAR RVC SNSR FUSE SERIAL DATA TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) UNLOCK WHT WIRE YEL WIRE

16 17 GMLAN SER DATA BUS+ GMLAN SER DATA BUS- 17 10 HOOD AJAR SW SIG BATT POS VOLT 18 24 HORN RELAY CTRL PARK LAMP RLY CTRL 2500 2501 COMPUTER DATA LINES SYSTEM 28 1080 HORNS SYSTEM EXTERIOR LIGHTS SYSTEM 7 9 6 UNLOCK RLY CTRL UNLOCK RLY CTRL RLY UNLOCK CTRL BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) DK BLU WIRE DOOR LOCK RELAY DOOR UNLOCK RELAY DR LOCK SW LOCK DR LOCK SW UNLOCK DR/LCK FUSE DRIVER DOOR SWITCH PANEL CONTROL MODULE DRIVER DOOR UNLATCH RELAY GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) LIFTGATE AJAR SW SIG LOCK SIG LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/BLK WIRE PASSENGER DOOR SWITCH PANEL CONTROL MODULE PNK/BLK WIRE PPL PPL HOOD CLOSED SW SIG RED/WHT WIRE RVC SNSR FUSE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) UNLOCK SIG WHT WIRE YEL WIRE