Cadillac DTS I (2005-2011) transmission control module (tcm) (left front strut tower) Wiring diagrams

2500 2501 COMPUTER DATA LINES SYSTEM 29 46 37 TRS SIG A TRS SIG B HI SPD SER DATA - 8 9 SERIAL DATA + SERIAL DATA - AUTOMATIC TRANSMISSION BATT POS VOLT BCM (CHMSL) FUSE 39 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM HI SPD SER DATA + HOT AT ALL TIMES INSIDE REARVIEW MIRROR (ISRVM) LEFT BACKUP LAMP LEFT TAIL LAMP ASSEMBLY LOGIC LT GRN WIRE REAR FUSE BLOCK (UNDER LEFT REAR SEAT) RIGHT BACKUP LAMP RIGHT TAIL LAMP ASSEMBLY SUPPLY VOLT TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT STRUT TOWER) TRANSMISSION INTERNAL MODE SWITCH (IMS) VIO WIRE YEL WIRE YEL/VIO WIRE

10 12 HI SPD SERIAL DATA + HI SPD SERIAL DATA - 2 3 5060 5060 LOW SPD SERIAL DATA LOW SPD SERIAL DATA 2 3 LOW SPD SERIAL DATA LOW SPD SERIAL DATA 3 4 5 SERIAL DATA WAKE UP HI SPD SERIAL DATA + HI SPD SERIAL DATA - 33 53 HI SPD SERIAL DATA - HI SPD SERIAL DATA + 4 3 HI SPD SERIAL DATA - HI SPD SERIAL DATA + ACC WAKE UP DATA AUDIO AMPLIFIER (IF EQUIPPED) AUXILIARY HVAC CONTROL MODULE (REAR OF CENTER CONSOLE) BLK WIRE BLUNT CUT) DIGITAL RADIO RECEIVER (LEFT SIDE OF TRUNK) DISTANCE SENSING CRUISE CONTROL (DSCC) MODULE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (UNDER AIR CLEANER HOUSING) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) FRONT, REAR OBJECT ALARM MODULE INSIDE REARVIEW MIRROR LEFT SIDE OBJECT SENSOR LOW SPD SERIAL DATA ORG/ WIRE ORG/YEL WIRE REAR HEATED SEAT MODULE (BEHIND LEFT REAR SEAT BACK) REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (UNDER CENTER OF REAR PACKAGE TRAY) RIGHT SIDE OBJECT SENSOR SERIAL DATA WAKE UP SIDE OF REAR SEAT) TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT STRUT TOWER) UNDERHOOD FUSE BLOCK VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (BEHIND RIGHT REAR SEAT BACK) VEHICLE DIRECTION ALERT ALARM WARNING MODULE VIDEO DISPLAY MODULE (IF EQUIPPED) (BEHIND RIGHT REAR SEAT BACK) W/ HEARSE W/ LANE DEPARTURE WARNING SENSOR INDICATOR W/ LIMOUSINE/ ARMORED W/ ONSTAR W/ SIDE OBSTACLE DETECTION SENSOR INDICATOR W/O HEARSE/ LIMOUSINE/ ARMORED W/O INTELLIGENT HIGH BEAM CONTROL W/ INTELLIGENT HIGH BEAM CONTROL W/O LIMOUSINE/ HEARSE/ ARMORED W/O ONSTAR YEL WIRE

1 2 3 4 5 6 IGN 1 VOL 17 3 PPL ACC SUPPLY VOL SET/COAST/RES/ 18 7 ACC SERIAL DATA STOP LAMP SW SIG 33 53 SERIAL DATA BUS - SERIAL DATA BUS + ACC WAKE-UP SERIAL DATA ACTIVE SIG ADAPTIVE DELUXE CRUISE CONTROL AHEAD SENS ALERT SENS BLK WIRE BODY CONTROL MODULE (BCM) (RIGHT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) CANCEL SWITCH COMPUTER DATA LINES SYSTEM CRUISE ACTIVE IND CRUISE CONTROL SWITCH CRUISE IND CRUISE SW SIG CRUISE SWITCH DISTANCE SENSING CRUISE CONTROL (DSCC) MODULE (FORWARD OF RADIATOR) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) GMLAN (ECM) GMLAN SERIAL DATA GMLAN SERIAL DATA SERIAL DATA BUS + SERIAL DATA BUS - GND GRN/WHT WIRE GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ IGN RELAY ENERGIZED HVAC/IPC IGN 1 FUSE 10 IGN IGN 1 VOL INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (TOP OF STEERING COLUMN) INFORMATION CENTER TELLTALE ASSEMBLY INSTRUMENT PANEL CLUSTER (IPC) LEFT STEERING WHEEL CONTROL SWITCH LOGIC LT BLU WIRE LT BLU/BLK WIRE LT BLU/YEL WIRE LT GRN WIRE LT GRN/PPL WIRE MDLS-BODY FUSE 43 NCA WIRE ON IND. ORG/ WIRE ORG/YEL WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL REAR FUSE BLOCK (UNDER LEFT REAR SEAT) RED WIRE RED/DK GRN WIRE RIGHT STEERING WHEEL CONTROL SWITCH SET SWITCH RESUME SWITCH STOP LAMP SW SIG TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT STRUT TOWER) UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) VEHICLE AHEAD IND VEHICLE ALERT IND VEHICLE SPEED SENSOR (VSS) (ON TRANSAXLE CASE EXTENSION) WHT WIRE YEL/GRY WIRE

14 15 13 SUPPLY VOLTAGE LOW REFERENCE BRAKE APPLY SENS SIG BACKUP LAMP CIRCUIT BCM (CHMSL) FUSE 39 BCM (CTSY) FUSE 35 BCM (LTTN) FUSE 25 BCM (RTTN) FUSE 36 BLK WIRE BODY CONTROL MODULE (BCM) (RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE DETECTION SIG RIGHT TAIL LAMP DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HAZARD SW SIG RH TURN SIG SW SIG LH TURN SIG SW SIG HAZARD SWITCH HEAD HEADLAMP SWITCH HOT AT ALL TIMES LEFT LICENSE LAMP RIGHT LICENSE LAMP LH TURN LOGIC LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT BLU/YEL WIRE LT GRN WIRE LT PARK LP FUSE 2 LT PARK LP RELAY 58 NCA WIRE OFF AUTO PARK PARK LAMP SW ON SIG PNK WIRE PPL PPL OUTAGE DETECTION SIG REAR FUSE BLOCK (UNDER LEFT REAR SEAT) RED WIRE RED/GRN WIRE RED/YEL WIRE RH TURN RIGHT BACKUP LAMP RIGHT FRONT MARKER LAMP RIGHT FRONT PARK LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP RIGHT MIDDLE PARK LAMP RIGHT REAR PARK LAMP RIGHT TAIL/ STOP/ TURN SIGNAL LAMP RT PARK LP FUSE 4 STOP LAMP SW SIG SW SIG TAN WIRE TAN/PNK WIRE TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT STRUT TOWER) TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) VIO WIRE W/ HEARSE, LIMOUSINE W/ LIMOUSINE WHT WIRE YEL WIRE YEL/VIO WIRE YEL/WHT WIRE

1-2 SHIFT SOLENOID (SS) VALVE A 2-3 SHIFT SOLENOID (SS) VALVE B 8 46 33 53 REVERSE LOCKOUT PARK/NEUTRAL SIG SERIAL DATA BUS - SERIAL DATA BUS + ACC WAKE-UP SERIAL DATA AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INPUT SHAFT SPEED (ISS) SENSOR AUTOMATIC TRANSMISSION SHIFT LEVER BATTERY BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN WIRE ECM/TCM FUSE 5 ENGINE CONTROL MODULE (ECM) GROUND GRY WIRE GRY/ORG WIRE HOT AT ALL TIMES REAR FUSE BLOCK (UNDER LEFT REAR SEAT) HOT IN RUN OR START HOT W/ RUN RELAY 64 ENERGIZED ISS LOW SIGNAL LT BLU/WHT WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL OSS LOW SIG PC SOL VLV LO CTRL PRESSURE CONTROL (PC) SOLENOID VALVE RANGE SW SIG A LOW REFERENCE IGNITION 1 VOLT BATT POSITIVE VOLT RANGE SW SIG B RANGE SW SIG C RED WIRE RED/WHT WIRE REVERSE LOCKOUT SOLENOID RUN 2 FUSE 10 RUN IGNITION 3 VOLT SERIAL DATA BUS (+) SERIAL DATA BUS (-) SOL VALVE CTRL B TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TFT SENSOR SIG TORQUE CONVERTER CLUTCH (TCC) SOLENOID VALVE TRANS/ IGN 1 FUSE 8 TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT STRUT TOWER) TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR TRANSMISSION INTERNAL MODE SWITCH (IMS) UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) W/ AUXILIARY FOLDING SEAT W/ CLIMATE CONTROL SEAT W/ FRONT BUCKET, LUXURY SEAT W/O CLIMATE CONTROL SEAT WHT WIRE YEL WIRE YEL/BLK WIRE YEL/GRY WIRE