Cadillac CTS II (2007-2014) body control module (bcm) (center of dash, Wiring diagrams

8 9 DATA BUS (+) DATA BUS (-) AUTOMATIC DAY/NIGHT MIRROR BACKUP LAMP SUPPLY VOLT BACKUP LP SPLY VOLT BATT POSITIVE VOLT KEYPAD SIG KEYPAD SPLY VOLT KEYPAD GREEN LED SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRANCH BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA BUS+ DATA BUS- GND DK GRN/WHT WIRE EMERGENCY IND EMERGENCY SWITCH GROUND HOT AT ALL TIMES HOT W/ IGN 1 RELAY ENERGIZED IGN INSIDE REARVIEW MIRROR (ISRVM) ISRVM FUSE KEYPAD KEYPAD GREEN LED IND KEYPAD RED LED SIG WIRE LOGIC LT GRN WIRE LT GRN/BLK WIRE ON STAR BUTTON ASSEMBLY ONSTAR FUSE ONSTAR IND ONSTAR SWITCH PHONE IND PHONE SWITCH PNK WIRE REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) RED LED IND WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (BEHIND RIGHT REAR STRUT TOWER) YEL/BLK WIRE

8 9 DATA BUS (+) DATA BUS (-) AUTOMATIC DAY/NIGHT MIRROR BACKUP LAMP SUPPLY VOLT BACKUP LP SPLY VOLT BATT POSITIVE VOLT KEYPAD SIG KEYPAD SPLY VOLT KEYPAD GREEN LED SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRANCH BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA BUS+ DATA BUS- GND DK GRN/WHT WIRE EMERGENCY IND EMERGENCY SWITCH GROUND HOT AT ALL TIMES HOT W/ IGN 1 RELAY ENERGIZED IGN INSIDE REARVIEW MIRROR (ISRVM) ISRVM FUSE KEYPAD KEYPAD GREEN LED IND KEYPAD RED LED SIG WIRE LOGIC LT GRN WIRE LT GRN/BLK WIRE ON STAR BUTTON ASSEMBLY ONSTAR FUSE ONSTAR IND ONSTAR SWITCH PHONE IND PHONE SWITCH PNK WIRE REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) RED LED IND WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (BEHIND RIGHT REAR STRUT TOWER) YEL/BLK WIRE

29 7 55 53 GEN DUTY CYCLE SIG GEN TURN ON SIG 53 33 39 40 SERIAL DATA BUS+ SERIAL DATA BUS- 6.2L 3.0L&3.6L 8 9 SERIAL DATA BUS+ SERIAL DATA BUS- BATTERY BATTERY CURRENT SENSOR (RIGHT RARE OF LUGGAGE COMPT) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRN WIRE CHARGE IND COMPUTER DATA LINES SYSTEM CURRENT SENS LOW REF CURRENT SENS CURRENT SENS SIG DK GRN WIRE DRIVER INFORMATION CENTER (DIC) ENGINE CONTROL MODULE (ECM) GENERATOR GROUND GRY WIRE INLINE FUSE GENERATOR INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOW SPEED GMLAN SERIAL DATA LOW SPEED GMLAN SERIAL DATA PNK SPLY VOLT WIRE PNK WIRE POWER DISTRIBUTION SYSTEM REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) RED WIRE RED/WHT WIRE RVC/SNSR FUSE STARTER MOTOR TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WHT WIRE WHT WIRE

2500 2501 COMPUTER DATA LINES 2500 2501 COMPUTER DATA LINES SYSTEM 2501 2501 2501 1492 5986 6107 6108 COMPUTER DATA LINES SYSTEM 39 40 53 33 HI SPD GMLAN + HI SPD GMLAN - 5 VOLT REF 5-VOLT REF 1 6.2L EXCEPT 6.2L 8 9 HI SPD GMLAN HI SPD GMLAN BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU/YEL WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL) BRK POS SENS SIG BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU/BLK WIRE DK GRN WIRE EPB FUSE GRY/RED WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LOGIC DRIVER INFORMATION CENTER (DIC) DISPLAY LOW REF LT BLU WIRE LT BLU/VIO WIRE PARK BRAKE IND PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PARKING BRAKE CONTROL MODULE RED/BLK WIRE STOP LAMP SW SIG SYSTEM TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 B+ RAP FUSE SPLY VOLT 6.2L EXCEPT 6.2L B+ RAP FUSE SPLY VOLT BLK WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE DN UP GND SUNROOF SW DATA 3 SUNROOF SW DATA 1 GND SUNROOF SW DATA 6 SUNROOF SW DATA 4 PPL GRY WIRE HOT AT ALL TIMES REAR FUSE BLOCK (RIGHT REAR OF S/ROOF FUSE LUGGAGE COMPT) HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (RIGHT FRONT OF SUNROOF FUSE ENGINE COMPT) LOGIC LT BLU WIRE ORG/ WIRE POWER DISTRIBUTION SYSTEM PPL RAP FUSE SUPPLY VOLTAGE RED/WHT WIRE SELECT 2 LOGIC SERIAL SERIAL DATA DATA BUS - BUS + SERIAL DATA SELECT RETURN SERIAL DATA SELECT RETURN SELECT 1 SUNROOF MODULE (REAR OF SUNROOF ASSEMBLY) SUNROOF SHADE MODULE (LEFT REAR OF SUNROOF ASSEMBLY) SUNROOF SHADE SWITCH SUNROOF SWITCH TAN WIRE TAN/BLK WIRE UP DN

1 2 3 4 5 6 7 8 9 10 GROUND 1 2 3 4 5 6 7 8 9 10 GROUND GROUND RAP SUPPLY VOL 5032 3240 7006 PPL SUNROOF SW DATA 6 BATT POS VOL SERIAL DATA 6.2L EXCEPT 6.2L BLK WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES REAR FUSE BLOCK (RIGHT REAR OF S/ROOF FUSE LUGGAGE COMPT) HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (RIGHT FRONT OF SUNROOF FUSE ENGINE COMPT) LOGIC LT BLU WIRE ORG/ WIRE POWER DISTRIBUTION SYSTEM PPL RAP FUSE SUPPLY VOLTAGE RAP VOL RED WIRE RED/WHT WIRE SEDAN SERIAL SERIAL DATA DATA BUS - BUS + SUNROOF MODULE (REAR OF SUNROOF ASSEMBLY) SUNROOF SHADE MODULE (LEFT REAR OF SUNROOF ASSEMBLY) SUNROOF SHADE SWITCH SUNROOF SW DATA 1 SUNROOF SW DATA 3 BATT POS VOL SERIAL DATA SUNROOF SW DATA 4 SUNROOF SWITCH TAN WIRE TAN/BLK WIRE UP DN WAGON

BATT POS VOLT BATT WINDOW POSITIVE INDEX- VOLT ING BLK WIRE BLUNT CUT- DRIVER DOOR (NOT USED) BLUNT CUT- PASSENGER DOOR (NOT USED) BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRN WIRE COMPUTER DATA LINES SYSTEM COUPE, SEDAN, WAGON DK BLU WIRE DK GRN WIRE DRIVER DOOR LOCK/WINDOW SWITCH DRIVER WINDOW MOTOR (DRIVER'S DOOR) GND GND BATT POSITIVE VOLT GRY WIRE HOT AT ALL TIMES LEFT FRONT WINDOW SWITCH UP LEFT REAR WINDOW MOTOR (LEFT REAR DOOR) LEFT REAR WINDOW SWITCH (SEDAN/WAGON) LEFT REAR WINDOW SWITCH UP LKOUT CTRL LKOUT RR SIG LKOUT SIG LOCAL INTERCONNECT NETWORK 1 LOCAL WINDOW INTERCONNECT INDEXING NETWORK 2 LOGIC LOGIC RIGHT REAR WINDOW SWITCH (SEDAN/WAGON) LR DN CTRL LR DN SW LR UP CTRL LR UP SIG LT BLU/WHT WIRE LT GRN WIRE LT/REAR/ WNDW CIRCUIT BREAKER ORG/ WIRE PASSENGER DOOR LOCK/ WINDOW SWITCH PASSENGER WINDOW MOTOR (FRONT PASSENGER'S DOOR) PPL PPL LR DN SIG PPL RR DN SIG PWR/WNDW CIRCUIT BREAKER REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) REAR/ WNDW CIRCUIT BREAKER RED WIRE RED/WHT WIRE RIGHT FRONT WINDOW SWITCH UP RIGHT REAR WINDOW MOTOR (RIGHT REAR DOOR) RIGHT REAR WINDOW SWITCH LOGIC RR DN CTRL RR DN SIG RR UP CTRL RR UP SIG SERIAL DATA WHT WIRE

BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRN/WHT WIRE COAX COAX COAX COMPUTER DATA LINES SYSTEM CRUISE CONTROL, TRANSMISSIONS SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GROUND BATT+ VOLT GRY WIRE HOT AT ALL TIMES INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (TOP OF STEERING COLUMN) LEFT STEERING WHEEL CONTROL SWITCH LO SPD GMLAN LO SPD GMLAN SERIAL DATA LO SPD GMLAN SERIAL DATA PPL RADIO CTRL SPLY VOL LT BLU WIRE NCA WIRE ONSTAR FUSE PPL RADIO ANTENNA INDUCTOR (WAGON) (TOP OF LIFTGATE) REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) RED/WHT WIRE RIGHT AUDIO SIG RIGHT AUDIO SIG RADIO AUDIO OUT LEFT AUDIO SIG DRAIN WIRE RIGHT STEERING WHEEL CONTROL SWITCH SEDAN, COUPE SEEK DOWN SEEK UP SOURCE PPL SPLY VOLT STEERING WHL CTRL SIG TELEVISION ANTENNA AMPLIFIER TELEVISION REAR GLASS ANTENNA TELEVISION TUNER (W/ INFOTAINMENT SYSTEM 7, 8) TRANSMISSIONS SYSTEM VOICE PPL VOL (-) VOL + (STEERING WHEEL HARNESS) W/ DELUXE STEERING WHEEL WAGAON YEL WIRE

13 14 15 5361 5360 5359 STOP LAMP SW SIG LOW REF 5-VOLT REF 1 3 8 9 1140 2500 2501 BATTERY POS VOLT HI SPD GMLAN + HI SPD GMLAN - 47 68 43 27 5381 5382 5 VOLT REF LOW REF 53 33 2500 2501 HI SPD GMLAN + HI SPD GMLAN - 6.2L EXCEPT 6.2L AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUTOMATIC TRANSMISSION SHIFT LEVER AUTOMATIC TRANSMISSION SHIFT LOCK CONTROL SOLENOID BCM 1 FUSE BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU/YEL WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL) BRK POS SENS SIG COMPUTER DATA LINES SYSTEM DK GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES ORG/BLK WIRE PARK/NEUTRAL RED WIRE RED/WHT WIRE SHIFT LOCK CTRL SOL TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL SOLENOID VALVE ASSEMBLY CONTROL MODULE (TCM) TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE WHT/GRN WIRE WHT/RED WIRE

3.0L, 3.6L 6.2L 53 33 39 40 SERIAL DATA BUS+ SERIAL DATA BUS- 6.2L 3.0L, 3.6L 8 9 SERIAL DATA BUS+ SERIAL DATA BUS- AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) BATTERY BLK WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, CHARGING CIRCUIT CLUTCH PEDAL POSITION (CPP) SENSOR (M/T) (TOP OF CLUTCH PEDAL ASSEMBLY) CLUTCH POSITION SENS SIG POSITION CLUTCH POSITION SENS RTN COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE DK BLU/WHT WIRE DK GRN/ ORG WIRE GRY WIRE IGN LK CYL CTRL ACTR SIG TRANS PARK/NTRL SIG 5-VOLT REF 2 SENS SUPPLY IGNITION SWITCH OFF OFF/RUN/CRANK VOLT ORG/BLK WIRE ORG/DK GRN WIRE POWER DISTRIBUTION SYSTEM PPL RED WIRE RUN WIRE STARTER MOTOR STARTER RELAY STARTER RELAY COIL CTRL STRTR FUSE TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPARTMENT) WHT WIRE WHT/BLK WIRE YEL WIRE