Chevrolet Suburban XI (2007-2013) computer data lines system Wiring diagrams

27 28 GMLAN SERIAL DATA BUS - GMLAN SERIAL DATA BUS + 68 18 1 MIL CTRL WAKUP SERIAL DATA PARK/NEUTRAL SIG 71 72 REPLICATED TOS SIG SIGNAL RETURN AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR AUX HVAC-IGN FUSE 48 B+ GND BRAKE SW SIG BLK/WHT WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY(DIC) GND ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) FUSE 19 GROUND DISTRIBUTION SYSTEM HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED IGN IGN IGN VOLTAGE IND INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) CADILLAC GMC/ CHEVROLET LOGIC LOW REFERENCE LT BLU/WHT WIRE LT GRN/WHT WIRE MIL IND MISC-IGN FUSE 43 ORG/BLK WIRE PC SOLENOID 1 CONTROL PC SOLENOID 3 CONTROL PC SOLENOID 4 CONTROL PC SOLENOID 5 CONTROL PNK WIRE PPL/WHT WIRE PRESSURE CONTROL (PC) SOLENOID VALVE 1 PRESSURE CONTROL (PC) SOLENOID VALVE 2 PRESSURE CONTROL (PC) SOLENOID VALVE 3 PRESSURE CONTROL (PC) SOLENOID VALVE 4 PRESSURE CONTROL (PC) SOLENOID VALVE 5 RED/WHT WIRE REPLICATED TOS SIG SHIFT SOLENOID (SS) 1 CONTROL SHIFT SOLENOID (SS) 2 CONTROL SHIFT SOLENOID (SS) VALVE 1 SHIFT SOLENOID (SS) VALVE 2 STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE TCM- BATT FUSE 14 TO CONTROL SOLENOID VALVE ASSEMBLY (DIAGRAM 2 OF 2) TORQUE CONVERTER CLUTCH (TCC) PRESSURE CONTROL (PC) SOLENOID VALVE TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL TOW/ HAUL TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR SIGNAL UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (RIGHT REAR OF TRANSMISSION) W/ ACTIVE CONTROL TRANSFER CASE W/ ACTIVE TRANSFER CASE CONTROL W/ HEATED STEERING WHEEL W/O ACTIVE CONTROL TRANSFER CASE

ACCESSORY WAKE UP SERIAL DATA AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID PRESSURE (TFP) MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUTOMATIC TRANSMISSION MANUAL SHIFT SWITCH AUTOMATIC TRANSMISSION SHIFT LEVER BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DK BLU WIRE FROM CONTROL SOLENOID VALVE ASSEMBLY (DIAGRAM 1 OF 2) GMLAN GMLAN SERIAL SERIAL DATA DATA BUS - BUS + GMLAN SERIAL DATA BUS + GRN WIRE GROUND GRY WIRE INPUT SPEED SENSOR (ISS) INPUT SPEED SENSOR (ISS) SIGNAL ISS/OSS CTRL LT BLU WIRE NCA WIRE OUTPUT SPEED SENSOR (OSS) OUTPUT SPEED SENSOR (OSS) SIGNAL PNK WIRE PPL RED WIRE TAN WIRE TAN/BLK WIRE TAP TOW/ UP/ HAUL TAP SW DOWN SIG SW SIG TFP SWITCH 1 VOLTAGE TFP SWITCH 3 VOLTAGE TFP SWITCH 4 VOLTAGE TFP SWITCH 5 VOLTAGE TOW/ HAUL SWITCH TRANSMISSION CONTROL MODULE (TCM) CONTROL SOLENOID VALVE ASSEMBLY TRANSMISSION RANGE SWITCH SIG A TRANSMISSION RANGE SWITCH SIG B TRANSMISSION RANGE SWITCH SIG C TRANSMISSION RANGE SWITCH SIG P WHT WIRE YEL WIRE

10 16 17 GMLAN DATA BUS- DATA BUS+ 10 9 8 LOW REF SNS SIG SNS CTRL 28 27 DATA BUS- DATA BUS+ 32 61 GEN SIG CHG IND BATTERY BATTERY CURRENT SENSOR (LEFT SIDE OF ENGINE COMPT) BLK WIRE BODY CONTROL MODULE (BCM) BRN WIRE CHARGE IND COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) EXCEPT HYBRID HYBRID FUSE HOLDER (ON POSITIVE BATTERY POST) COMPUTER DATA LINES SYSTEM GENERATOR (FRONT (EXCEPT OF LEFT HYBRID) CYLINDER HEAD) GMC, CHEVROLET CADILLAC GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 46 LOGIC ORG/ WIRE PNK WIRE POWER 23 25 DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM 5060 2500 2501 POWER DISTRIBUTION SYSTEM 5077 5075 5076 RED WIRE RED/BLK WIRE RED/WHT WIRE STARTING CIRCUIT TAN WIRE TAN/BLK WIRE VOLT (EXCEPT HYBRID) WAKE UP SIG WHT WIRE

BLK WIRE BRN WIRE BRN/WHT WIRE CADILLAC W/ ADDITIONAL DVD CHEVROLET/GMC W/ ADDITIONAL DVD W/O ADDITIONAL DVD COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE DVD ENABLE SIG FRONT DIGITAL VIDEO DISC (DVD) DISPLAY GMLAN GRY WIRE I/P FUSE BLOCK (LEFT END OF DASH) INFRARED REF INFRARED V INSIDE REARVIEW MIRROR (ISRVM) L INFRARED LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR SPEAKER LR AUD + LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL/WHT WIRE R INFRARED REAR DIGITAL VIDEO DISC (DVD) DISPLAY (CADILLAC W/ ADDITIONAL DVD) REAR SEAT AUDIO (RSA) CONTROL RED/WHT WIRE RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) RIGHT REAR SPEAKER RR AUD - TAN WIRE VIDEO CNTRL VIDEO SIG VIDEO SPLITTER CIRCUIT W/ RSE W/O RSE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 L AUD + R AUD + DRAIN WIRE 1 2 3 4 5 6 7 8 9 L AUD - L AUD + R AUD + R AUD - GMLAN 1 2 3 B+ LF AUD + RF AUD + 4 5 PNK VOICE SIG LOW REF WIRE 6 7 8 9 10 11 12 13 14 REM SIG LED CNTRL GND LF AUD - RF AUD - DRAIN WIRE 7066 6817 2550 1947 1546 2011 INTERIOR LIGHTS SYSTEM AMP FUSE 41 ANTENNA AUD SIG BLK WIRE BRN WIRE BRN/WHT WIRE CELLULAR TELEPHONE MICROPHONE CELLULAR, NAVIGATION ANTENNA (IF EQUIPPED) (LEFT FRONT OF ROOF) CELLULAR, NAVIGATION, DIGITAL RADIO ANTENNA (LEFT FRONT OF ROOF) COAX COAX ANT SIG COAX COAX COAX NAV SIG COAX W/ RADIO ANTENNA COAX W/O RADIO ANTENNA COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CTRL DIGITAL RADIO RECEIVER (IF EQUIPPED) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GMLAN GND (PINS: 10-15 NOT USED) GREEN LED GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK REAR (LEFT END SEAT OF DASH) ENT FUSE HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) INFO FUSE KEYPAD SIG LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LOW REF LR AUD + RR AUD + VOICE SIG AMP CTRL L AUD - R AUD - DRAIN WIRE LR AUD - RR AUD - LOW REF LT BLU/BLK WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE RADIO RADIO ANTENNA MODULE RADIO REAR WINDOW ANTENNA RDO FUSE 42 RED LED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (CENTER OF DASH) VOICE SIG W/ ONE PIECE LIFTGATE W/ ONSTAR W/O ONSTAR WHT WIRE YEL WIRE YEL/BLK WIRE

AMPL CNTRL BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE DVD ENABLE SIG FRONT DIGITAL VIDEO DISC (DVD) DISPLAY GMLAN GRY WIRE INFRARED REF INFRARED V INSIDE REARVIEW MIRROR (ISRVM) L INFRARED L SUBWFR - LF AUD + LF SPK - LR AUD + LR SPK + LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL/WHT WIRE R INFRARED R SUBWFR + REAR SEAT AUDIO (RSA) CONTROL RED/WHT WIRE REM ENABLE RF AUD + RF SPK - RR AUD - RR SPK + SUBWOOFER SPEAKER TAN WIRE VIDEO CTRL VIDEO SIG WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

13 14 39 GMLAN HI-SPD (-) GMLAN HI-SPD (+) SW GND 2500 2501 COMPUTER DATA LINES SYSTEM 28 27 1 GMLAN HI-SPD (+) GMLAN HI-SPD (-) P/N SIGNAL 8 9 GMLAN HI-SPD (+) GMLAN HI-SPD (-) AUTOMATIC TRANSMISSION (2-MODE HYBRID RWD) AUTOMATIC TRANSMISSION (6 SPEED A/T) AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUTOMATIC TRANSMISSION SHIFT LOCK BLK WIRE BLOCK BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRK SW SIG COMPUTER DATA LINES SYSTEM CONTROL SOLENOID (STEERING COLUMN) CONTROL SOLENOID VALVE ASSEMBLY DRIVE MOTOR GENERATOR POWER INVERTER MODULE (RIGHT SIDE OF ENGINE COMPT) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) GROUND GRY WIRE HOT AT ALL TIMES LT BLU/WHT WIRE MISC-IGN FUSE 43 ORG/BLK WIRE PNK PNK PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RUN/ CRNK RELAY RUN/CRANK RELAY CTRL SHIFT LOCK SOL SUPPLY VOLT STOP LAMP SWITCH TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

16 17 DATA BUS+ DATA BUS- 4 2 PNK RUN/CRK WIRE 52 1 28 27 STRT RLY P/N SIG DATA BUS+ DATA BUS- 6 SPEED A/T AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) BATTERY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) FUSE HOLDER (ON POSITIVE BATTERY POST) GRY WIRE IGNITION SWITCH OFF ORG/BLK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL RED WIRE RED/BLK WIRE RUN WIRE STARTER MOTOR STRTR FUSE 62 STRTR RELAY TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL/BLK WIRE

AIR BAG AIR BAG IND BAG ON BELT IND PASS SEAT BLK WIRE CHEVROLET/ GMC COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/BLK WIRE DK GRN/WHT WIRE DRIVER INFLATABLE RESTRAINT SEAT POSITION SENSOR (UNDER DRIVER'S SEAT) DRIVER SEAT BELT PRETENSIONER DRIVER SEAT BELT SWITCH DRIVER SEAT BELT BUCKLE (DRIVER'S SEAT BELT BUCKLE) GMLAN LO SPD GRY WIRE GRY/BLK WIRE IND CTRL IND CTRL BAG OFF PASS AIR INFLATABLE RESTRAINT PASSENGER AIR BAG ON/OFF INDICATOR INSTRUMENT PANEL CLUSTER LEFT I/P JUNCTION BLOCK (LEFT END LOGIC LT BLU/BLK WIRE LT GRN WIRE LT GRN/WHT WIRE NCA WIRE OF DASH) OFF IND ON IND. PASS AIR PASSENGER SEAT BELT PRETENSIONER PNK WIRE PNK/BLK WIRE PPL SEAT BELT IND SHORTING BAR TAN/ORG WIRE TAN/WHT WIRE W/ NON BUCKET FRONT INDIVIDUAL SEAT WHT/BLK WIRE YEL WIRE

AIR BAG IGN FUSE 40 BATT POSITIVE VOLT BLK/WHT WIRE BRN WIRE CADILLAC, GMC, CHEVROLET EXCEPT HYBRID COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE GMC/ CHEVROLET, HYBRID GROUND GRY WIRE HOT AT ALL TIMES AIR BAG BATT FUSE 45 HOT IN ON OR START I/P MOD HI CTRL STAGE 1 I/P MOD HI CTRL STAGE 2 I/P MOD LO CTRL STAGE 1 I/P MOD LO CTRL STAGE 2 IGN VOLT INFLATABLE RESTRAINT FRONT PASSENGER PRESENCE SYSTEM (PPS) SENSOR INFLATABLE RESTRAINT I/P MODULE (RIGHT SIDE OF DASH) INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER DRIVER'S SEAT) INFLATABLE RESTRAINT STEERING WHEEL MODULE (ON STEERING WHEEL) LEFT I/P JUNCTION BLOCK (LEFT END LO SPD GMLAN SERIAL DATA LOW REFERENCE LOW SPD GMLAN OF DASH) ORG/ WIRE PIN SHORTING BARS ENGAGED WHEN MODULE CONNECTOR IS DISCONNECTED FROM HARNESS: PNK WIRE PPL RED/WHT WIRE SEAT) SENSOR SIGNAL SHORTING BAR STEER WHL HI CTRL STAGE 1 STEER WHL HI CTRL STAGE 2 STEER WHL LO CTRL STAGE 1 STEER WHL LO CTRL STAGE 2 TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VOLTAGE REFERENCE W/ NON BUCKET FRONT INDIVIDUAL WHT WIRE YEL WIRE