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

6.2L AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) B+ VOLT BACKUP LAMP SPLY VOLT 9 8 SERIAL DATA - SERIAL DATA + BACKUP LAMP SWITCH (M/T) (RIGHT SIDE OF TRANS- MISSION) BACKUP LAMP SWITCH (M/T) (RIGHT SIDE OF TRANSMISSION) BACKUP LAMPS SPLY VOLT BCM 4 FUSE BLK WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ENGINE CONTROL MODULE (ECM) (EXCEPT 6.2L: LEFT FRONT OF ENGINE COMPT) EXCEPT 6.2L EXCEPT 6.2L 6.2L GM LAN SER DATA BUS - SIG A GRN WIRE HOT AT ALL TIMES LEFT BACKUP LAMP LEFT TAIL LAMP LOGIC LOGIC INSIDE REARVIEW MIRROR (ISRVM) LT GRN WIRE NCA WIRE ORG/ WIRE PNK/BLK WIRE RED WIRE RIGHT BACKUP LAMP RIGHT TAIL LAMP SERIAL DATA BUS - SERIAL DATA BUS + BACKUP LAMP SW SIG SPLY VOLT TAN WIRE TAN/BLK WIRE TRANS- GM LAN MISSION SER DATA CONTROL BUS + MODULE SIG B SIG C (TCM) UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE YEL WIRE

13 9 10 15 RF DOOR AJAR SERIAL DATA LP CTRL HI LP CTRL LO 14 15 RR DOOR AJAR SW LR DOOR AJAR SW 25 10 IC 2 CTRL SERIAL DATA 9 10 15 13 SERIAL DATA LP CTRL HI BCM 2 FUSE BLK WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DRIVER DOOR LATCH (DRIVER'S DOOR) DRIVER DOOR LOCK/WINDOW SWITCH GRY/BLK WIRE HOT AT ALL TIMES I/P COMPARTMENT LAMP I/P COMPARTMENT LAMP SWITCH LEFT CARGO LAMP (WAGON) LEFT FRONT COURTESY/ READING LAMPS LEFT FRONT DOOR COURTESY LAMP LEFT I/P COURTESY LAMP LEFT REAR COURTESY/ READING LAMPS (COUPE, SEDAN) LEFT REAR DOOR (RIGHT COURTESY REAR LAMP SHOCK (SEDAN, WAGON) TOWER) LEFT SUNSHADE LF DOOR AJAR LIFTGATE AJAR SW SIG LP RLY CTRL LP SPLY VOLT LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PASSENGER DOOR LATCH (PASSENGER'S DOOR) PASSENGER DOOR LOCK/WINDOW SWITCH PNK/BLK WIRE PPL READING LAMP READING LAMPS (WAGON) REAR COMPARTMENT COURTESY LAMP (COUPE, SEDAN) REAR COMPARTMENT LID LATCH (COUPE, SEDAN) REAR COMPARTMENT LID LATCH (SEDAN) RED/WHT WIRE RIGHT CARGO LAMP (WAGON) RIGHT FRONT COURTESY/ READING LAMPS RIGHT FRONT DOOR COURTESY LAMP RIGHT I/P COURTESY LAMP RIGHT REAR COURTESY/ READING LAMPS (COUPE, SEDAN) RIGHT REAR DOOR COURTESY LAMP (SEDAN, WAGON) RIGHT SUNSHADE SEDAN WAGON TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT BCM 7 OF ENGINE FUSE COMPT) W/ DELUXE INTERIOR LAMP PACKAGE WHT WIRE

16 15 1415 1414 RF TURN SW SIG LF TURN SW SIG 19 4 B+ SERIAL DATA 4 1 5 3 1440 1540 1315 1840 B+ B+ SPLY VOLT B+ 5382 5381 5380 27 43 63 SENS RTN SENS SPLY SENS SIG A/T B+ DETECTION SIG HAZARD SW SIG PARK LAMP ON SIG 20 10 8 PPL 2144 301 BACKUP LAMPS CIRCUIT BCM 4 FUSE BCM 5 FUSE BCM 6 FUSE BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/YEL WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL) BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONTROL MODULE (ECM) DISPLAY FUSE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE EXCEPT 6.2L 6.2L HAZARD SWITCH HEAD HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) LEFT LEFT BACKUP LAMP LEFT FRONT STRUT TOWER) LEFT FRONT TURN SIGNAL LAMP LEFT TAIL LAMP ASSEMBLY LEFT TAIL/STOP, TURN SIGNAL LAMP LEFT TURN IND LOGIC LOGIC RADIO/HVAC CONTROL LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE PARK AUTO OFF PPL RED/WHT WIRE RIGHT RIGHT FRONT TURN SIGNAL LAMP RIGHT TURN IND SERIAL DATA SERIAL DATA - STP LP SPLY VOLT TAN WIRE TAN/BLK WIRE TRAILER PROVISION (BLUNT CUT) (WAGON) TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT RED/ WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE

11 12 1137 103 LIGHT SENSOR SIG HDLMPS ON 16 11 23 RLY CTRL RLY, IND CTRL DRL SPLY VOLT 23 16 1970 233 HDLP RLY CTRL PARK BRAKE SW SIG AMBIENT LIGHT/ SUNLOAD SENSOR (TOP CENTER OF DASH) BALLAST BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRL DRL LO BEAM RELAY DRL RT FUSE DRL/LT LO BEAM FUSE FOG FOG LAMPS INDICATOR FOR REAR HEADLIGHT LEVELING SENSOR) FRONT FOG LAMP RELAY FRT FOG FUSE GMLAN SERIAL DATA HEAD HI BEAM RELAY HIGH BEAM INDICATOR HIGH BEAM SOLENOID HIGH BEAM SOLENOID BALLAST HOT AT ALL TIMES HVAC CONTROL MODULE (CENTER OF DASH) INSTRUMENT PANEL CLUSTER (IPC) LEFT DAYTIME RUNNING LAMP, LEFT FRONT FOG LAMP LEFT FRONT STRUT TOWER) LEFT HEADLAMP ASSEMBLY LINES SYSTEM COMPUTER DATA LO REF LOGIC LT DRL RELAY LT GRN/BLK WIRE LT HI BEAM FUSE OFF AUTO PARK ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PNK/WHT WIRE PPL PPL LOW BEAM SPLY VOLT RIGHT DAYTIME RUNNING LAMP RIGHT FRONT FOG LAMP RIGHT HEADLAMP ASSEMBLY RT DRL RELAY RT HI BEAM FUSE RT LO LT LO BEAM BEAM FUSE FUSE SERIAL DATA TAN WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE WSW/DRL FUSE YEL WIRE

11 12 1137 103 LIGHT SENSOR SIG HDLMPS ON 16 11 RLY CTRL RLY, IND CTRL AMBIENT LIGHT/ SUNLOAD SENSOR (TOP CENTER OF DASH) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRN WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE DRL RELAY DRL RT FUSE FOG FOG LAMP INDICATOR FRONT FOG LAMP RELAY FRT FOG FUSE GMLAN SERIAL DATA GRY WIRE HDLP RLY CTRL HEAD HI BEAM RELAY HIGH BEAM INDICATOR HOT AT ALL TIMES HVAC CONTROL MODULE (CENTER OF DASH) INSTRUMENT PANEL CLUSTER (IPC) LEFT FRONT FOG LAMP LEFT FRONT STRUT TOWER) LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LO BEAM DRL FUSE LO BEAM RELAY LO REF LOGIC LT GRN/BLK WIRE LT HI BEAM FUSE LT LO RT LO BEAM BEAM FUSE FUSE OFF AUTO PARK ORG/ WIRE ORG/BLK WIRE PARK BRAKE SW SIG PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PNK/WHT WIRE PPL PPL LO BEAM SPLY VOLT RIGHT FRONT FOG LAMP RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP RT HI BEAM FUSE SERIAL DATA TAN/WHT WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE WIPER/WASHER SYSTEM YEL WIRE

BLK WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, DK GRN WIRE HIGH NOTE HORN HORN ASSEMBLY (LEFT FRONT OF ENGINE COMPT) HORN FUSE HORN RELAY HORN RELAY CTRL HORN SWITCH HOT AT ALL TIMES INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (TOP OF STEERING COLUMN) LEFT FRONT STRUT TOWER) LOW NOTE HORN TAN WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT)

1 2 17 60 40 24 OIL PRESS SENS SIG 5-VOLT REF 1 LOW REF 15 12 14 LR DOOR AJAR SW LIFTGATE AJAR SW RR DOOR AJAR SW 1551 (OR 1500) 18 34 ENG OIL LEVEL SW SIG LOW REF 19 12 PNK 51 46 IGN 1 VOLT MIL CTRL WIRE 24 8 35 55 LOW REF ECT SENS SIG 26 25 9 44 LOW REF FUEL LEVEL SENS SIG 6.2L 6.2L EXCEPT 6.2L BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRN WIRE BRN/WHT WIRE CLOCK COMPUTER DATA LINES SYSTEM DISPLAY DK BLU WIRE DK GRN WIRE DOOR ENGINE COMPT) ENGINE CONTROLS SYSTEM EXCEPT 6.2L EXCEPT 6.2L 6.2L FUEL LEVEL SENSOR ASSEMBLY (IN FUEL TANK) GROUND GRY WIRE HI SPD GMLAN SERIAL DATA BUS + HOT AT ALL TIMES IGN 3 VOLT LIGHTS OFF LIGHTS ON LO SPD GMLAN SERIAL DATA LOCAL INTERCONNECT NETWORK 3 LOGIC LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE NETWORK 2 ORG/ WIRE ORG/BLK WIRE PARK BRAKE SW SIG PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PASSENGER DOOR LATCH ASSEMBLY (PASSENGER'S PASSENGER DOOR LOCK/ WINDOW SWITCH PNK SECONDARY FUEL LEVEL SENSOR WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PRIMARY FUEL LEVEL SENSOR (IN FUEL TANK) PRIMARY FUEL LEVEL SENSOR FUEL PUMP, SENDER ASSEMBLY (IN FUEL TANK) RADIO/HVAC CONTROL RDO FUSE REAR COMPARTMENT LID LATCH REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) RED WIRE RED/WHT WIRE RF DOOR AJAR RIGHT REAR DOOR LATCH (RIGHT REAR DOOR) RVC/SNSR FUSE SECONDARY FUEL LEVEL SENS SIG SECONDARY FUEL LEVEL SENSOR FUEL LEVEL SENSOR ASSEMBLY (IN FUEL TANK) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE WAGON WHT WIRE YEL WIRE

10 18 SERIAL DATA DIMMING CTRL 2 3 BATT POSS VOLT I/P DIMMER SW SIG BATT POSS VOLT BCM 2 FUSE BCM 7 FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRN/WHT WIRE COMPT) COMPUTER DATA LINES SYSTEM COURTESY LAMP SWITCH DK GRN WIRE DRIVER INFORMATION CENTER (DIC) SWITCH GRY WIRE HEAD HOT AT ALL TIMES I/P DIMMER SWITCH INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (TOP OF STEERING COLUMN) LEFT REAR WINDOW SWITCH LEFT STEERING WHEEL CONTROL SWITCH ORG/WHT WIRE PARK AUTO OFF PARK BRAKE SWITCH (IF EQUIPPED) PARK LP SW ON SIG PNK/BLK WIRE PPL/WHT WIRE RED/WHT WIRE RIGHT REAR WINDOW SWITCH RIGHT STEERING WHEEL CONTROL SWITCH SEDAN WAGON STR/ WHL ILLUM FUSE SUNROOF SHADE SWITCH (W/ TRANSPARENT GLASS FIXED) SUNROOF SWITCH SW ON SIG SW SIG TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) W/ TRANSPARENT GLASS FIXED W/O ELECTRIC GLASS TILTING SUNROOF W/ ELECTRIC GLASS TILTING SUNROOF YEL 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

11 14 SERIAL DATA ACC VOLT 19 13 RAP FUSE VOLT IGN 3 VOLT 2 6 (COUPE) (WAGON/ 5 CM FROM BLK WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRN WIRE COUPE CRANK VOLT ACC VOLT BATT POS VOL DK BLU WIRE DK GRN WIRE ELECTRONIC COMPASS MODULE FROM PWR MODING FUSE (DIAGRAM 3 OF 8) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 4 OF 8) HVAC CONTROL MODULE IGNITION SWITCH LT GRN WIRE NCA WIRE OFF ORG/ WIRE PNK IGN 1 VOLT WIRE PNK WIRE REAR WINDOW WIPER MOTOR REARVIEW CAMERA RED WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) RUN WIRE SEDAN SEDAN WAGON SUNROOF CONTROL MODULE (IF EQUIPPED) SUNROOF SHADE MODULE (IF EQUIPPED) THEFT DETERRENT MODULE (TDM) TO REAR FUSE BLOCK (DIAGRAM 8 OF 8) TO UNDERHOOD FUSE BLOCK (DIAGRAM 8 OF 8) W/ KEYLESS ENGINE START SWITCH W/O KEYLESS ENGINE START SWITCH WAGON WHT WIRE WHT/BLK WIRE YEL WIRE