GMC Acadia I facelift (2013-2016) transmission control module Wiring diagrams

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)

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

1 12 LOW SPEED GMLAN SERIAL DATA HI SPEED GMLAN SERIAL DATA BUS- 12 2 HI SPD GMLAN SERIAL DATA BUS- HI SPD GMLAN SERIAL DATA BUS+ 3 4 HI SPEED GMLAN SERIAL DATA BUS+ HI SPEED GMLAN SERIAL DATA BUS- 5 14 15 HI SPD GMLAN SERIAL DATA BUS+ HI SPD GMLAN SERIAL DATA BUS- IGN VOLT ACCESSORY WAKEUP SERIAL DATA AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/WHT WIRE CHASSIS CONTROL MODULE COMMUNICATION ENABLE CONTROL SOLENOID VALVE ASSEMBLY DATA LINK CONNECTOR (DLC) (UNDER LEFT END OF DASH) DK BLU WIRE DK GRN WIRE DSPLY FUSE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE) HI SPD GMLAN SERIAL DATA BUS + HI SPEED GMLAN SERIAL DATA BUS - HIGH SPEED BUS TERMINATING RESISTOR HIGH SPEED BUS TERMINATING RESISTOR (TAPED TO HARNESS ABOVE SPARE TIRE) HOT AT ALL TIMES IGN VOLT INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL FUSE BLOCK (BEHIND RIGHT END OF DASH) LOW SPEED GMLAN SERIAL DATA LT BLU WIRE REAR DIFFERENTIAL CLUTCH CONTROL MODULE (AT REAR DIFFERENTIAL) RED/WHT WIRE TAN WIRE TAN/BLK WIRE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE (W/ ONSTAR) TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) W/ ONSTAR W/ STEERABLE HEADLIGHT W/O ONSTAR W/O STEERABLE HEADLIGHT

12 VOLT REFERENCE 14 15 BRK APPLY SEN SPY VOLT LOW REF 17 439 1164 1161 1271 1274 1162 1272 PNK WIRE 22 8 9 CRUISE CNTRL IND GMLAN SER DATA BUS+ GMLAN SER DATA BUS- 47 68 BRK POS SEN 5 VOLT REF BRK POS SEN LO REF 5 VOLT REF 4 57 51 14 15 30 33 34 53 STOP LAMP SW SIG RUN CRANK IGN 1 VOLT ACCELERATOR PEDAL POSITION (APP) SENSOR ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL) AIR BAG FUSE APP SEN SIG 1 APP SEN SIG 1 LOW REF APP SEN SIG 2 APP SEN SIG 2 LOW REF PPL AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE BRK APPLY SEN SPY VOLT BRK APPLY SENS SIG BRK POS SEN 5 VOLT REF BRK POS SEN LO REF BRK POS SEN SIG BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CRUISE CNTRL IND CRUISE CNTRL SW SIG CRUISE IND CRUISE SWITCH DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY END OF DASH) ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE) FRONT WHEELWELL) GMLAN SER DATA BUS- GMLAN SERIAL DATA GROUND GRY WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT IGN INSTRUMENT PANEL CLUSTER (IPC) LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LOW REF LT BLU WIRE OUTPUT SHAFT SPEED (OSS) SENSOR PCM IGN FUSE PEDAL ASSEMBLY) PNK WIRE PPL PPL 12-VOLT REFERENCE RESET+ RUN/ CRANK IGN 1 VOLT SET- SOUND SYSTEMS STEERING WHEEL AIR BAG COIL STOP LAMP SW SIG TAC MOTOR CTRL 1 TAC MOTOR CTRL 2 TAN WIRE TAN/BLK WIRE THROTTLE BODY (TOP REAR OF ENGINE) THROTTLE POS SEN SIG (1) TRANSMISSION CONTROL MODULE TRANSMISSIONS, SOUND SYSTEMS UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT WHT WIRE WHT/BLK WIRE YEL WIRE

2 4 IGN IGN KEY RESIS SIG 447 2500 2501 COMPUTER DATA LINES SYSTEM 63 39 40 RLY COIL CTRL HI SPD GMLAN + HI SPD GMLAN - 8 9 HI SPD GMLAN HI SPD GMLAN AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INTERNAL AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) BATTERY BATTERY CURRENT SENSOR BATTERY CURRENT SENSOR (BEHIND FRONT PASSENGER'S SEAT) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF GROUND DISTRIBUTION SYSTEM GRY WIRE HI SPD GMLAN IGN IGN KEY RESIS SIG IGNITION SWITCH LOW REF MODE SWITCH (IMS) OF ENGINE) OFF ORG/BLK WIRE P/N SW POWER DISTRIBUTION SYSTEM PPL RED WIRE RED/BLK WIRE RLY COIL CTRL RUN WIRE STARTER MOTOR STARTER RELAY STRTR FUSE TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) WHT WIRE WHT/BLK WIRE YEL WIRE