Chevrolet Impala IX (2006-2016) transmission internal mode switch Wiring diagrams

AUTOMATIC TRANSMISSION ASSEMBLY BATTERY BATTERY FUSE BLOCK BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE ECM IGN FUSE ENGINE CONTROL MODULE (INSIDE AIR CLEANER ASSEMBLY) FUSE 5 FUSE 6 GMLAN SERIAL DATA - 1 GROUND DISTRIBUTION SYSTEM HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT W/ IGNITION MAIN RELAY ENERGIZED IGN KEY SIG IGN MODE SW IGN VOLT IGNITION MODE SWITCH (W/ KEYLESS SWITCH) IGNITION SWITCH (W/O KEYLESS SWITCH) OFF RED WIRE RUN WIRE RUN/CRANK IGN 1 VOLT STARTER ENABLE RELAY CTRL STARTER FUSE STARTER MOTOR STARTER RELAY TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION PARK/ NEUTRAL SIGNAL 1 UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) VIO/GRY WIRE VIO/LT GRN WIRE WHT WIRE WHT/GRY WIRE YEL WIRE

ASSEMBLY AUTOMATIC TRANSMISSION BLK WIRE BLU WIRE BUS 2 NETWORK COIL CTRL COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (INSIDE AIR CLEANER ASSEMBLY) FROM CONTROL SOLENOID VALVE ASSEMBLY (DIAGRAM 1 OF 2) GMLAN SER DATA GRN WIRE GRY WIRE GRY/VIO WIRE INSTRUMENT CLUSTER ISS HIGH SIGNAL ISS LOW SIGNAL LO SPD LOGIC LOW REF LT GRN WIRE LT GRN/DK BLU WIRE OSS HIGH SIGNAL OSS LOW SIGNAL P/N PARK/ NEUTRAL SIG 1 POWER DISTRIBUTION SYSTEM RAP RLY RED WIRE SENSOR SER DATA (-) 1 HI SPD GMLAN TRANSMISSION CONTROL MODULE TRANSMISSION FLUID PRESSURE SWITCH TRANSMISSION INPUT SHAFT SPEED TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION OUTPUT SHAFT SPEED TRANSMISSION RANGE SWITCH SIG A TRANSMISSION RANGE SWITCH SIG B TRANSMISSION RANGE SWITCH SIG C TRANSMISSION RANGE SWITCH SIG P TRANSMISSION SHIFT LEVER POSITION INDICATOR WHT WIRE WHT/GRY WIRE YEL WIRE

2.5L 2.5L 3.6L 3.6L 2.5L AUTOMATIC TRANSMISSION ASSEMBLY BATTERY BATTERY FUSE BLOCK BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE ECM IGN FUSE ENGINE CONTROL MODULE (INSIDE AIR CLEANER ASSEMBLY) FUSE 5 FUSE 6 GMLAN SERIAL DATA - 1 GROUND DISTRIBUTION SYSTEM HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT W/ IGNITION MAIN RELAY ENERGIZED IGN KEY SIG IGN MODE SW IGN VOLT IGNITION MODE SWITCH (W/ KEYLESS SWITCH) IGNITION SWITCH (W/O KEYLESS SWITCH) OFF RED WIRE RUN WIRE RUN/CRANK IGN 1 VOLT STARTER ENABLE RELAY CTRL STARTER FUSE STARTER MOTOR STARTER RELAY TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION PARK/ NEUTRAL SIGNAL 1 UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) VIO/LT GRN WIRE WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BLK WIRE

ASSEMBLY AUTOMATIC TRANSMISSION BLK WIRE BLU WIRE BUS 2 NETWORK COIL CTRL COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (INSIDE AIR CLEANER ASSEMBLY) FROM CONTROL SOLENOID VALVE ASSEMBLY (DIAGRAM 1 OF 2) GMLAN SER DATA GRN WIRE GRY WIRE GRY/VIO WIRE INSTRUMENT CLUSTER ISS HIGH SIGNAL ISS LOW SIGNAL LO SPD LOGIC LOW REF LT GRN WIRE LT GRN/DK BLU WIRE OSS HIGH SIGNAL OSS LOW SIGNAL P/N PARK/ NEUTRAL SIG 1 POWER DISTRIBUTION SYSTEM RAP RLY RED WIRE SENSOR SER DATA (-) 1 HI SPD GMLAN TRANSMISSION CONTROL MODULE TRANSMISSION FLUID PRESSURE SWITCH TRANSMISSION INPUT SHAFT SPEED TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION OUTPUT SHAFT SPEED TRANSMISSION RANGE SWITCH SIG A TRANSMISSION RANGE SWITCH SIG B TRANSMISSION RANGE SWITCH SIG C TRANSMISSION RANGE SWITCH SIG P TRANSMISSION SHIFT LEVER POSITION INDICATOR WHT WIRE WHT/GRY WIRE YEL WIRE

2.5L 2.5L 3.6L 3.6L 2.5L AUTOMATIC TRANSMISSION ASSEMBLY BATTERY BATTERY FUSE BLOCK BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE ECM IGN FUSE ENGINE CONTROL MODULE (INSIDE AIR CLEANER ASSEMBLY) FUSE 5 FUSE 6 GMLAN SERIAL DATA - 1 GROUND DISTRIBUTION SYSTEM HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT W/ IGNITION MAIN RELAY ENERGIZED IGN KEY SIG IGN MODE SW IGN VOLT IGNITION MODE SWITCH (W/ KEYLESS SWITCH) IGNITION SWITCH (W/O KEYLESS SWITCH) OFF RED WIRE RUN WIRE RUN/CRANK IGN 1 VOLT STARTER ENABLE RELAY CTRL STARTER FUSE STARTER MOTOR STARTER RELAY TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION PARK/ NEUTRAL SIGNAL 1 UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) VIO/LT GRN WIRE WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BLK WIRE

ASSEMBLY AUTOMATIC TRANSMISSION BLK WIRE BUS 2 NETWORK COIL CTRL COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (INSIDE AIR CLEANER ASSEMBLY) GMLAN SER DATA GRN WIRE GRY WIRE GRY/VIO WIRE INSTRUMENT CLUSTER ISS HIGH SIGNAL ISS LOW SIGNAL LO SPD LOGIC LOW REF LT GRN WIRE LT GRN/DK BLU WIRE OSS HIGH SIGNAL OSS LOW SIGNAL P/N PARK/ NEUTRAL SIG 1 RAP RLY RED WIRE SENSOR SER DATA (-) 1 HI SPD GMLAN TRANSMISSION CONTROL MODULE TRANSMISSION FLUID PRESSURE SWITCH TRANSMISSION INPUT SHAFT SPEED TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION OUTPUT SHAFT SPEED TRANSMISSION RANGE SWITCH SIG A TRANSMISSION RANGE SWITCH SIG B TRANSMISSION RANGE SWITCH SIG C TRANSMISSION RANGE SWITCH SIG P TRANSMISSION SHIFT LEVER POSITION INDICATOR WHT WIRE WHT/GRY WIRE YEL WIRE

2.4L HYBRID, 2.5L 3.6L 39 40 HI SPD GMLAN SERIAL DATA + HI SPD GMLAN SERIAL DATA - AUTOMATIC TRANSMISSION ASSEMBLY BACKUP LAMP SPLY VOLT BACKUP LP SPLY VOLT BATTERY POSITIVE VOLT BCM 6 (RIGHT SIDE OF FUSE ENGINE COMPT) BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DK BLU WIRE ENGINE CONTROL MODULE (INSIDE AIR CLEANER ASSEMBLY) GRN WIRE GRN/WHT WIRE GROUND GRY WIRE HI SPD GMLAN SERIAL DATA HOT AT ALL TIMES LAMP LEFT BACKUP LAMP LEFT REAR SIDE MARKER LAMP LEFT TAIL LAMP ASSEMBLY LEFT TAIL/ STOP/ TURN SIGNAL LAMP LOGIC INSIDE REARVIEW MIRROR (IF EQUIPPED) LT GRN/WHT WIRE REARVIEW CAMERA (IF EQUIPPED) RED WIRE RED/WHT WIRE RIGHT BACKUP RIGHT REAR SIDE MARKER LAMP RIGHT TAIL LAMP ASSEMBLY RIGHT TAIL/ STOP/ TURN SIGNAL LAMP TRANSMISSION CONTROL MODULE CONTROL SOLENOID VALVE ASSEMBLY TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION PARK/NEUTRAL SIG SIGNAL GROUND UNDERHOOD FUSE BLOCK WHT WIRE WHT/GRY WIRE YEL WIRE

2.4L 2.5L 3.6L 2.5L 3.6L (OR 24 25 1 SERIAL DATA (-) SERIAL DATA (+) GND 2500 2501 COMPUTER DATA LINES SYSTEM 39 40 SERIAL DATA (+) SERIAL DATA (-) 5 VOLT REF 7493 7494 COMPUTER DATA LINES SYSTEM APPLY SENS SIG AUTOMATIC TRANSMISSION ASSEMBLY BCM 6 FUSE BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRK POS SENS SIG COMPUTER DATA LINES SYSTEM CONTROL SOLENOID ACTUATOR DK BLU WIRE DK BLU/GRY WIRE DK BLU/YEL WIRE ENGINE CONTROL MODULE (ECM) (INSIDE AIR CLEANER ASSEMBLY) EXCEPT HYBRID GROUND DISTRIBUTION SYSTEM GRY WIRE HOT AT ALL TIMES LOW REF PARK SIG RED WIRE RED/WHT WIRE SHIFT SOL CTRL SUPPLY VOLTAGE TRANSMISSION CONTROL SOLENOID VALVE ASSEMBLY CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LOCK UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) WHT WIRE WHT/GRY WIRE WHT/LT GRN WIRE WHT/RED WIRE YEL/WHT WIRE