Buick Regal V (2009-2013) (behind left side of dash, right of cluster) Wiring diagrams

2501 2500 COMPUTER DATA LINES SYSTEM ACCESSORY VOLTAGE AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE APPLY SENSOR SIGNAL BRAKE PEDAL POSITION SENSOR (MOUNTED TO TOP OF BRAKE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DATA BUS (-) DATA BUS (+) DATA BUS (+) GND DATA BUS - DATA BUS - DATA BUS - DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FUSE 1 FUSE 5 GEAR SHIFT POSITION SENSOR GMLAN SERIAL DATA GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION RUN RELAY ENERGIZED IGN VOLT ACC VOLT INSTRUMENT CLUSTER LINE PRESSURE CONTROL SOLENOID VALUE LOGIC LOW REF ORG/BLK WIRE PARK/ NEUTRAL SIG PEDAL) PNK WIRE POWER DISTRIBUTION SYSTEM PRESSURE CONTROL SOLENOID VALUE 1 PRESSURE CONTROL SOLENOID VALUE 2 PRESSURE CONTROL SOLENOID VALUE 3 PRESSURE CONTROL SOLENOID VALUE 4 RED WIRE SHIFT SOLENOID VALUE 1 SHIFT SOLENOID VALUE 2 TAP UP/TAP DOWN SWITCH SIGNAL TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID VALUE TRANSMISSION CONTROL MODULE TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION INPUT SHAFT SPEED SENSOR (ISS) TRANSMISSION MANUAL SHIFT SWITCH TRANSMISSION OUTPUT SHAFT SPEED SENSOR (OSS) TRANSMISSION PARK/ NEUTRAL SIG TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LEVER POSITION INDICATOR UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 B+ GND 5 VOL REF ACC VOL FUSE VOLT SPLY ACC VOLT AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (MOUNTED TO TOP OF BRAKE PEDAL) BREAK APPLY SENSOR SIG BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM 5985 2501 CONTROL SOLENOID DK BLU WIRE DRIVER INFORMATION CENTER (DIC) EARLY PRODUCTION LATE PRODUCTION FUSE FUSE 32 GMLAN SERIAL DATA BUS + GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE HI SPD GMLAN SER DATA (+) HI SPD GMLAN SER DATA (+) HI SPD GMLAN SER DATA (-) HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) HOT W/ IGNITION RUN RELAY ENERGIZED IGN IGN 1 VOLT WAKEUP SERIAL DATA HI SPD GMLAN SER DATA (-) INSTRUMENT CLUSTER ISS ISS LOW HIGH LOGIC LOGIC GMLAN LOW REF NETWORK BUS 2 ORG/BLK WIRE OSS HIGH P/N PARK/ NEUTRAL SIG PC 1 SOLENOID PC 2 SOLENOID PC 3 SOLENOID PC 4 SOLENOID PC 5 SOLENOID PNK (OR VIO/BLK) (OR VIO/DK BLU) (OR BLK) WIRE PNK WIRE POWER DISTRIBUTION SYSTEM 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 WIRE RED/WHT (OR RED/LT GRN) WIRE RED/WHT WIRE SHIFT SOLENOID VALVE 1 SS 1 TAN WIRE TAN/BLK WIRE TAP UP/TAP DOWN SW SIG TCC SOLENOID TFP 1 TFP 3 TFP 4 TFP 5 TFT TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID VALVE TRANSMISSION CONTROL MODULE TRANSMISSION FLUID PRESSURE SWITCH TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION MANUAL SHIFT SWITCH TRANSMISSION OUTPUT SHAFT SPEED SENSOR TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LEVER POSITION INDICATOR TRNS GND OSS RANGE LOW SIG P TRNS RANGE SIG A TRNS TRNS RANGE RANGE SIG C SIG B VALVE ASSEMBLY VIO/YEL WIRE WHT WIRE YEL WIRE

1040 (6136) 853 5359 (OR 5381) ACC VOLT BLK WIRE BLK/BRN WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (AT TOP OF BRAKE PEDAL) BRK APPLY SENS SIG BRN/YEL WIRE COMPUTER DATA LINES DK BLU/WHT WIRE FUSE 24 HI SPEED GMLAN SERIAL DATA - HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) KEY CAPTURE SIG KEY CAPTURE SOLENOID ACTUATOR (STEERING COLUMN BEHIND STEERING WHEEL) KEY CAPTURE/ COLUMN LOCK SHIFT POSITION SIG PARK LOCK SOL SOFT CTRL LOW REF PARK LOCK SOL SOFT CTRL PARK POSITION SWITCH RED/WHT WIRE SYSTEM TRANSMISSION MANUAL SHIFT SWITCH TRANSMISSION SHIFT LEVER WHT WIRE WHT/VIO WIRE YEL WIRE

1 21 3 GND SECURITY INDICATOR CTRL BATT POSITIVE VOLT 4 6 NETWORK 3 LF DR AJAR SW SIG ACTUATOR RECEIVE SIG REMOTE FUNCTION ACTUATOR SPLY VOLT REMOTE FUNCTION ACTUATOR TRANSMIT SIG ACTUATOR TRANSMIT SIG REMOTE FUNCTION AIR CONDITIONING SYSTEM AMBIENT LIGHT/ SUNLOAD SENSOR (CENTER OF DASH) BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/BLK WIRE BRN/DK GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DR LOCK ACTUATOR LOCK CTRL DRIVER DOOR LATCH ASSEMBLY DRIVER INFORMATION CENTER (DIC) DISPLAY DRIVER WINDOW MOTOR (DRIVER'S DOOR) DRV DR LOCK MTR STS CTRL DRV DR LOCK SW LOCK SIG DRV DR LOCK SW UNLCK SIG FUEL DOOR LOCK ACTUATOR (RIGHT REAR WHEEL WELL NEAR FUEL DOOR) FUSE GMLAN SERIAL DATA GRN WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HI BEAM RLY HOOD AJAR SW SIG HORN RLY HORNS SYSTEM HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) HVAC CONTROL MODULE (BEHIND CENTER OF DASH, ON HVAC ASSEMBLY) INSTRUMENT CLUSTER INSTRUMENT PANEL MULTIFUNCTION SWITCH 1 LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LO SPD SERIAL DATA LOGIC LOGIC DRIVER WINDOW SWITCH LOW REF LR DOOR AJAR SW SIG LT BLU/WHT WIRE NETWORK 3 NETWORK BUS 4 PASSENGER COMPARTMENT) PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW MOTOR (FRONT PASSENGER'S DOOR) REAR COMPARTMENT LID LATCH (IN TRUNK LID) REMOTE FUNCTION ACTUATOR RTN RF DR AJAR SW SIG RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DOOR AJAR SW SIG SECURITY INDICATOR VIO/GRY WIRE WHT/RED WIRE WHT/VIO WIRE YEL/LT GRN WIRE

1040 (6136) 2.0L 2.4L 39 40 HIGH SPEED SERIAL DATA(+) HIGH SPEED SERIAL DATA(-) 853 5359 (OR 5381) ACC VOLT RAP RLY CTRL AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/BRN WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (AT TOP OF BRAKE PEDAL) BRK APPLY SENS SIG BRN/YEL WIRE COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FUSE 24 GRY/VIO WIRE HI SPEED GMLAN SERIAL DATA - HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) LATE PRODUCTION EARLY PRODUCTION LOGIC LOW REF ORG/BLK WIRE ORG/WHT WIRE PARK LCK SOL CTRL PARK LOCK SOL CTRL PARK LOCK SOL SOFT CTRL PARK/NEUTRAL SIG (1) POWER DISTRIBUTION SYSTEM RED/WHT WIRE RETAINED ACC ACC VOLT SYSTEM TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE TRANSMISSION CONTROL MODULE (MOUNTED ON TOP OF TRANSMISSION) TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION MANUAL SHIFT SWITCH TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR VIO WIRE VIO/BLK WIRE WHT WIRE YEL WIRE

26 27 SERIAL DATA SERIAL DATA AIR BAG IND AIR BAG ON IND AIR BAG OFF IND AIR BAG ON IND SEAT BELT ON IND BETWEEN FOLLOWING PINS: 1-2, 3-4, 5-6, 7-8) BLK WIRE BLK/ORG WIRE BLU WIRE BRN WIRE BRN/ORG WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE FUSE FUSE FUSE (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE GRY/ORG WIRE HOT AT ALL TIMES HOT W/ IGNITION RUN RELAY ENERGIZED IGN 1 VOLT INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (BELOW CENTER CONSOLE) INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) INSTRUMENT PANEL MULTI-FUNCTION SWITCH 1 LEFT FRONT IMPACT SENSOR (LEFT SIDE OF CROSSMEMBER) LO SPD GMLAN LOGIC LT GRN/RED WIRE MOD STAGE 2 HI NCA WIRE ORG/ WIRE ORG/GRN (OR BLK/ORG) WIRE ORG/GRN WIRE ORG/VIO WIRE ORG/WHT WIRE PASSENGER AIR BAG OFF IND PASSENGER INSTRUMENT PANEL AIR BAG PASSENGER PRESENCE SENSOR PNK WIRE PPL RED/GRY WIRE RED/WHT (OR RED/YEL) WIRE RED/WHT WIRE RIGHT FRONT IMPACT SENSOR (RIGHT SIDE OF CROSSMEMBER) SEAT BELT IND SERIAL DATA SHORTING BAR STEERING WHEEL AIR BAG STEERING WHEEL AIR BAG COIL TAN WIRE UNDERHOOD FUSE BLOCK USED) (NOT VIO/BRN WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/ORG WIRE YEL WIRE YEL/ORG WIRE

ACTR LCK CTRL 2 ACTR UNLCK CTRL AJAR SW SIG 1 BATT POS VOLT BLK WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM DRIVER INFORMATION CENTER DISPLAY EXTERIOR REAR COMPARTMENT LID UNLATCH SWITCH FUEL DOOR LOCK ACTUATOR (RIGHT REAR WHEEL WELL NEAR FUEL DOOR) FUSE 16 FUSE 3 LEFT SIDE OF DASH) GRN WIRE GRY WIRE GRY/YEL WIRE HANDLE SW OPEN SIG HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK (LOWER LOGIC MTR RELEASE CTRL NCA WIRE REAR COMPARTMENT LID UNLATCH RELAY SERIAL DATA VIO/GRY WIRE WHT WIRE YEL/BLU WIRE

1 2 NETWORK BUS 4 RR DOOR AJAR SW SIG 2 1 LR DOOR AJAR SW SIG NETWORK BUS 4 4 6 NETWORK BUS 3 RF DOOR AJAR SW SIG 6 4 LF DOOR AJAR SW SIG NETWORK BUS 3 BLK WIRE BLK/ORG WIRE BLK/VIO WIRE BRAKE FLUID LEVEL SWITCH (ON BRAKE FLUID RESERVOIR) BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT SW SIG DRIVER SEAT BELT SWITCH DRIVER WINDOW MOTOR (DRIVER'S DOOR) FRONT PASSENGER WINDOW MOTOR (FRONT PASSENGER'S DOOR) GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (BELOW CENTER CONSOLE) INSTRUMENT PANEL MULTIFUNCTION SWITCH 1 LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LO REF LO SPD GMLAN SERIAL DATA NCA WIRE ORG/VIO WIRE PASS SEAT BELT IND PASSENGER DOOR LATCH ASSEMBLY PASSENGER SEAT BELT BUCKLE PASSENGER SEAT BELT IND PASSENGER SEAT BELT SW SIG PASSENGER SEAT BELT SWITCH RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH VIO/WHT WIRE

10 13 20 25 LO REF WIPER SW LO SIG WIPER SW HI SIG WASHER SW SIG 17 16 14 PARK SW SIG COIL SPLY VOLT WASHER RLY CTRL 23 24 2 SERIAL DATA (-) SERIAL DATA (+) GND 2501 2500 1650 COMPUTER DATA LINES SYSTEM BATTERY FUSE BLOCK (TOP OF BATTERY) BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/GRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM FURTHEST FROM HOOD HINGE) FUSE 21 FUSE 5 FUSE 56 FUSE 6 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) FUSE 23 LEFT FRONT OF ENGINE COMPT, UNDER FRONT OF BATTERY TRAY) LEFT STRUT TOWER) LO SPD GMLAN SERIAL DATA LO WASHER FLUID IND CTRL LOGIC INSTRUMENT CLUSTER MIST OFF ORG/ WIRE RED WIRE RED/WHT WIRE VIO WIRE WASHER SWITCH WHT WIRE WHT/BLK WIRE WHT/VIO WIRE WINDSHIELD WASHER FLUID LEVEL IND WINDSHIELD WASHER FLUID LEVEL SWITCH (IN WASHER FLUID RESERVOIR) WINDSHIELD WASHER PUMP (IN WASHER FLUID RESERVOIR) WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER MOTOR (LEFT REAR OF ENGINE COMPT) WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WINDSHIELD WIPER/WASHER SWITCH DELAY SWITCH WIPER SW HI SIG WIPER SWITCH YEL/BRN WIRE