GMC Sierra III facelift (2015-2018) inflatable restraint sensing, diagnostic module Wiring diagrams

ASSIST STEP CONTROL MODULE BASE EQUIPMENT BLU/YEL WIRE COMM ENABLE DK BLU WIRE DK BLU/YEL WIRE EXCEPT BASE EQUIPMENT GRN WIRE GRN/WHT WIRE HI SPD DATA (+) 2 HI SPD DATA (+) 2 ACC WAKEUP SER DATA HI SPD DATA (-) 2 LO SPD SER DATA HI SPD SER DATA (+) 1 ACC WAKEUP SERIAL DATA HI SPD SER DATA (-) 1 HI SPD SER DATA (-) 2 INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT PANEL JUNCTION BLOCK LIN NETWORK BUS 8 LO SPD SER DATA LT GRN WIRE LT GRN/WHT WIRE PARKING ASSIST CONTROL MODULE (IF EQUIPPED) (BELOW LOWER RIGHT OF REAR WINDOW) PASSENGER PRESENCE MODULE (IF EQUIPPED) POWER STEERING CONTROL MODULE POWER TAKE-OFF CONTROL MODULE SEAT MEMORY CONTROL MODULE (IF EQUIPPED) (UNDER DRIVER SEAT) STEERING WHEEL ANGLE SENSOR TRANSFER CASE CONTROL MODULE (IF EQUIPPED) VIO/YEL WIRE WHT WIRE WHT/DK BLU WIRE

ASSIST STEP CONTROL MODULE BASE EQUIPMENT BLU/YEL WIRE COMM ENABLE DK BLU WIRE DK BLU/YEL WIRE EXCEPT BASE EQUIPMENT GRN WIRE GRN/WHT WIRE HI SPD DATA (+) 2 HI SPD DATA (+) 2 ACC WAKEUP SER DATA HI SPD DATA (-) 2 LO SPD SER DATA HI SPD SER DATA (+) 1 ACC WAKEUP SERIAL DATA HI SPD SER DATA (-) 1 HI SPD SER DATA (-) 2 INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT PANEL JUNCTION BLOCK LIN NETWORK BUS 8 LO SPD SER DATA LT GRN WIRE LT GRN/WHT WIRE PARKING ASSIST CONTROL MODULE (IF EQUIPPED) (BELOW LOWER RIGHT OF REAR WINDOW) PASSENGER PRESENCE MODULE (IF EQUIPPED) POWER STEERING CONTROL MODULE POWER TAKE-OFF CONTROL MODULE SEAT MEMORY CONTROL MODULE (IF EQUIPPED) (UNDER DRIVER SEAT) STEERING WHEEL ANGLE SENSOR TRANSFER CASE CONTROL MODULE (IF EQUIPPED) VIO/YEL WIRE WHT WIRE WHT/DK BLU WIRE

COMM ENABLE DK BLU WIRE DK BLU/YEL WIRE GRN WIRE HI SPD SER DATA (+) 2 COMM ENABLE HI SPD SER DATA (-) 1 HI SPD SER DATA (-) 1 ACC WAKEUP DATA HI SPD SER DATA (-) 2 HI SPD SER DATA (-) 2 LO SPD SER DATA INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE LT GRN WIRE VIO/YEL WIRE W/ VARIABLE ASSIST POWER STEERING W/O VARIABLE ASSIST POWER STEERING WHT WIRE WHT/DK BLU WIRE

6 SPEED A/T 8 SPEED A/T ACC WAKEUP DATA AUTOMATIC TRANSMISSION ASSEMBLY AUXILIARY CHASSIS CONTROL MODULE BLU/BLK WIRE BLU/YEL WIRE COMM ENABLE CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE DK BLU/YEL WIRE ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE FUEL PUMP DRIVER CONTROL MODULE GRN WIRE GRY WIRE HI DATA (+) 1 HI DATA (+) 2 HI SPD SER DATA (+) 2 COMM ENABLE HI SPD SER DATA (+) 3 HI SPD SER DATA (-) 1 HI SPD SER DATA (-) 1 ACC WAKEUP DATA HI SPD SER DATA (-) 2 HI SPD SER DATA (-) 3 ACC WAKEUP DATA HIGH SPEED BUS TERMINATING RESISTOR INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT PANEL JUNCTION BLOCK LO SPD SER DATA LT GRN WIRE POWER STEERING CONTROL MODULE (ON POWER STEERING RACK ASSEMBLY) POWER TAKE-OFF CONTROL MODULE SUSPENSION CONTROL MODULE TRANSMISSION CONTROL MODULE VIO WIRE VIO/YEL WIRE WAKEUP DATA WHT WIRE WHT/DK BLU WIRE YEL WIRE

6.0L ALTERNATIVE FUEL PRESSURE SENSOR ALTERNATIVE FUEL RAIL PRESSURE/ TEMPERATURE SENSOR ALTERNATIVE FUEL SYSTEM DATA CONNECTOR ALTERNATIVE FUEL TANK TEMPERATURE SENSOR AUDIO AMPLIFIER AUDIO/ VIDEO INPUT ADAPTER AUXILIARY AUDIO INPUT BLK WIRE CENTER CONSOLE COMPARTMENT ACCESSORY POWER RECEPTACLE CENTER SEAT ACCESSORY POWER RECEPTACLE CNG CONTROL MODULE CNG HIGH PRESSURE REGULATOR TEMPERATURE SENSOR FUEL PUMP DISABLE CONTROL MODULE FUEL PUMP DISABLE RELAY HUMAN MACHINE INTERFACE CONTROL MODULE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INFO DISPLAY MODULE INSTRUMENT PANEL JUNCTION BLOCK MEDIA DISC PLAYER MID LEVEL UP LEVEL NCA WIRE PARKING ASSIST CONTROL MODULE PASSENGER BACK SEAT BLOWER MOTOR PASSENGER BACK SEAT HEATING ELEMENT PASSENGER CUSHION SEAT BLOWER MOTOR PASSENGER CUSHION SEAT HEATING ELEMENT PASSENGER DOOR HANDLE FLOOD LAMP PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR CARGO LAMP PASSENGER OUTSIDE REAR VIEW MIRROR COURTESY LAMP PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER PRESENCE MODULE PASSENGER SEAT ADJUSTER SWITCH PASSENGER WINDOW SWITCH RADIO REAR VIEW CAMERA RIGHT MIDDLE SIDE MARKER LAMP RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RIGHT TURN SIGNAL REPEATER LAMP SEAT HEATING CONTROL MODULE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB RECEPTACLE W/ COLOR LIGHT SENSITIVE W/ DRIVER, PASSENGER SPLIT SEAT W/ FRONT SEAT ADJUSTER W/ FRONT SEAT ADJUSTER W/O DRIVER, PASSENGER SPLIT SEAT W/ FRONT SEAT HEATER W/ ONSTAR W/ POWER OPERATED WINDOW W/ REAR SEAT ENTERTAINMENT PACKAGE W/O COLOR LIGHT SENSITIVE W/O DRIVER, PASSENGER SPLIT SEAT W/O FRONT SEAT ADJUSTER W/O POWER OPERATED WINDOW W/O POWER OPERATED WINDOW W/ POWER OPERATED WINDOW WHT WIRE

6.0L 6.0L 6.6L AIR BAG/INFO FUSE AUXILIARY BATTERY AUXILIARY BATTERY FUSE BLOCK AUXILIARY BATTERY RELAY 1 AUXILIARY BATTERY RELAY 2 AUXILIARY GENERATOR BATTERY BCM 6 FUSE BCM 8 FUSE BLK WIRE BODY CONTROL MODULE CARGO LAMP RELAY ELECTRICAL AUXILIARY HEATER EXCEPT BASE EQUIPMENT EXTENDED CAB CREW CAB FROM UNDERHOOD FUSE BLOCK (DIAGRAM 3 OF 7) FUSE 1 FUSE 2 FUSE 3 FUSE 4 FUSE 7 FUSE 8 GENERATOR GENERATOR FUSE HOLDER GLOW PLUG CONTROL MODULE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT PANEL JUNCTION BLOCK PASS SEAT FUSE PASSENGER PRESENCE MODULE PASSENGER SEAT ADJUSTER SWITCH PASSENGER WINDOW SWITCH POWER STEERING CONTROL MODULE POWER TAKE-OFF CONTROL MODULE REAR OF ENGINE COMPT) RED WIRE RED/BLU WIRE RED/BRN WIRE RED/DK BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/LT GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT REAR WINDOW SWITCH RR SLD WNDW FUSE RT DR WNDW MTR FUSE SLIDING REAR WINDOW CLOSE RELAY SLIDING REAR WINDOW OPEN RELAY STARTER MOTOR TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE TO RIGHT INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 5 OF 7) TO UNDERHOOD FUSE BLOCK (DIAGRAM 3 OF 7) TRANSFER CASE SHIFT CONTROL SWITCH VIO/BRN WIRE W/ DUAL GENERATOR

BLK/ORG WIRE BRN WIRE BRN/ORG WIRE DRIV SIDE IMPACT MOD HI CTRL DRIV SIDE IMPACT MOD LO CTRL DRIVER SEAT BELT ANCHOR PRETENSIONER DRIVER SEAT BELT RETRACTOR PRETENSIONER DRIVER SEAT BELT SW LO REF DRIVER SEAT BELT SW SIG DRIVER SEAT BELT SWITCH DRIVER SEAT BELT BUCKLE DRIVER SEAT POS SW SIG DRIVER SEAT POSITION SENSOR DRIVER SEAT SIDE AIR BAG DRV SB ANCH PRET HIGH CTRL DRV SB ANCH PRET LOW CTRL DRV SEAT RET PRE HI CTRL DRV SEAT RET PRE LO CTRL GRN WIRE GRN/ORG WIRE GRY WIRE GRY/ORG WIRE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE LF DISCRIMINATING SENS LO REF LF DISCRIMINATING SENS SIG LF HEAD CURTAIN MOD HI CTRL LF HEAD CURTAIN MOD LO CTRL LF SIDE IMPACT MOD LO REF LF SIDE IMPACT MOD SIG LR SIDE IMPACT MOD LO REF LR SIDE IMPACT MOD SIG NCA WIRE ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/GRY WIRE ORG/LT GRN WIRE ORG/VIO WIRE ORG/YEL WIRE PASS SB ANCH PRET HIGH CTRL PASS SB ANCH PRET LOW CTRL PASS SEAT BELT SW LO REF PASS SEAT BELT SWITCH SIG PASS SEAT POSITION SWITCH SIG PASS SEAT RET PRE HI CTRL PASS SEAT RET PRE LO CTRL PASS SIDE IMPACT MOD HI CTRL PASS SIDE IMPACT MOD LO CTRL PASSENGER SEAT BELT ANCHOR PRETENSIONER PASSENGER SEAT BELT RETRACTOR PRETENSIONER PASSENGER SEAT BELT SWITCH PASSENGER SEAT BELT BUCKLE PASSENGER SEAT POSITION SENSOR PASSENGER SEAT SIDE AIR BAG RED WIRE RF DISCRIMINATING SENS LO REF RF DISCRIMINATING SENS SIG RF HEAD CURTAIN MOD HI CTRL RF HEAD CURTAIN MOD LO CTRL RF SIDE IMPACT MOD LO REF RF SIDE IMPACT MOD SIG RIGHT ROOF RAIL AIR BAG RR SIDE IMPACT MOD LO REF RR SIDE IMPACT MOD SIG SHORTING BAR VIO/ORG WIRE W/O BASE EQUIPMENT WHT WIRE WHT/ORG WIRE YEL/ORG WIRE

1500 2500 HD, 3500 HD AIR BAG IND AIR BAG OFF IND AIR BAG ON IND BATT POS VOLT PASS SEAT BELT IND BLK WIRE BLK/WHT WIRE BLU WIRE BLU/ORG WIRE BLU/YEL WIRE BRN WIRE BRN/ORG WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GRN WIRE GRN/RED WIRE GRY WIRE GRY/GRN WIRE GRY/ORG WIRE HI SPD GMLAN ILL INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK LO SPD GMLAN SERIAL DATA LOGIC LT GRN WIRE MOD STAGE 1 HI MOD STAGE 1 LO MOD STAGE 2 HI MOD STAGE 2 LO ORG/ WIRE ORG/LT GRN WIRE ORG/VIO WIRE ORG/WHT WIRE PASS AIR BAG OFF IND PASS AIR BAG ON IND PASS MOD SW RET LOW SPD GMLAN SERIAL DATA PASS MOD SW SIG PASS STAGE 1 HI PASS STAGE 1 LO PASS STAGE 2 HI PASS STAGE 2 LO PASSENGER AIR BAG DISABLE INDICATOR PASSENGER AIR BAG DISABLE SWITCH PASSENGER INSTRUMENT PANEL AIR BAG PNK WIRE PPL RED WIRE RED/LT GRN WIRE ROLLOVER PROTECTION DISABLE SWITCH SD COMM ENABLE SEAT BELT IND SEAT BELT ON IND SHORTING BAR STEERING WHEEL AIR BAG STEERING WHEEL AIR BAG COIL TAN WIRE VIO WIRE VIO/ORG WIRE VIO/WHT WIRE W/O BASE EQUIPMENT W/O BASE EQUIPMENT W/ BASE EQUIPMENT WHT WIRE WHT/DK BLU WIRE WHT/ORG WIRE YEL WIRE YEL/ORG WIRE

BASE EQUIPMENT BCM 3 FUSE BLK WIRE BLK/ORG WIRE BRAKE FLUID LEVEL SWITCH BRAKE IND BRK FLUID LVL COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/YEL WIRE DLIS FUSE DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT BELT SW LO REF DRIVER SEAT BELT SW SIG DRIVER SEAT BELT SWITCH DRIVER SEAT BELT BUCKLE DRIVER SEAT POS SW SIG DRIVER SEAT POSITION SENSOR ELECTRONIC BRAKE CONTROL MODULE EXCEPT BASE EQUIPMENT GMLAN SER DATA (-) (2) GRN/GRY WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK IPC IGN/ SDM IGN FUSE KEY-IN IGNITION SWITCH LEFT INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN SER DATA LOGIC NCA WIRE OFF ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE PASS SEAT BELT IND PASS SEAT BELT SW LO REF PASS SEAT BELT SWITCH SIG PASS SEAT POSITION SWITCH SIG PASSENGER AIR BAG DISABLED INDICATOR PASSENGER SEAT BELT SWITCH PASSENGER SEAT BELT BUCKLE PASSENGER SEAT POSITION SENSOR POWER DISTRIBUTION SYSTEM RED WIRE RED/BLU WIRE RED/GRY WIRE RUN WIRE RUN/CRANK SEAT BELT IND SEAT BELT ON IND TIRE PRESSURE IND VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT WIRE WHT/VIO WIRE