GMC Sierra IV (2018-2022) reductant pressure sensor Wiring diagrams

5-VOLT REFERENCE ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR ACTIVE GRILLE AIR SHUTTER 2 ACTUATOR BATTERY POSITIVE VOLT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/YEL WIRE COMPUTER DATA COMPUTER DATA LINES SYSTEM ENGINE COOLANT TEMPERATURE SENSOR 3 GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE HEATER CONTROL LOW HEATER CTRL IGN IGNITION 1 VOLTAGE 4 LINE HEATER CTRL LINE HEATER LOW CTRL LINES SYSTEM LOGIC LOW REF POSITIVE VOLTAGE 34 PRESSURE SENSOR SIG RADIATOR COOLANT TEMPERATURE SENSOR RED WIRE RED/WHT WIRE REDUCTANT LINE HEATER REDUCTANT PRESSURE SENSOR REDUCTANT PUMP REDUCTANT SENSOR MODULE REDUCTANT TANK HEATER REDUCTANT TEMPERATURE SENSOR SENSOR 5 VOLT REF 1 SENSOR FEEDBACK SIG SERIAL DATA (-) (1) SERIAL DATA (-) 7 SERIAL DATA BUS- SMART PUMP CONTROL TANK 2 HEATER CTRL TANK HEATER LOW CTRL TEMP SENSOR SIG VIO/BLU WIRE VIO/GRN WIRE VOLTAGE PHASE 2 VOLTAGE PHASE 3 WAKE UP SERIAL DATA WAKE UP SIG WHT WIRE YEL WIRE YEL/BLK WIRE

5-VOLT REFERENCE BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA COMPUTER DATA LINES SYSTEM ENGINE OIL LEVEL SWITCH FUEL RAIL PRESSURE SENSOR GND 16 GRN/BLU WIRE GROUND 16 HEATER CONTROL LOW HEATER CTRL IGNITION 1 VOLTAGE 4 LINE HEATER CTRL LINE HEATER LOW CTRL LINES SYSTEM LOGIC LOW REF MODULE WAKE-UP SIG POSITIVE VOLTAGE 34 PRESSURE SENSOR SIG RED WIRE RED/VIO WIRE RED/WHT WIRE REDUCTANT CONTROL MODULE REDUCTANT LINE HEATER REDUCTANT PRESSURE SENSOR REDUCTANT PUMP REDUCTANT PUMP, SENSOR ASSEMBLY (OUTSIDE OF LEFT FRAME, UNDER REAR OF CAB) REDUCTANT SENSOR MODULE REDUCTANT TANK HEATER REDUCTANT TEMPERATURE SENSOR SENSOR 5 VOLT REF SENSOR FEEDBACK SIG SERIAL DATA (-) (1) SERIAL DATA (-) 7 SMART PUMP CONTROL TANK 2 HEATER CTRL TANK HEATER LOW CTRL TEMP SENSOR SIG VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE VOLTAGE PHASE 2 VOLTAGE PHASE 3 WAKE UP SERIAL DATA WHT WIRE YEL WIRE