LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 2012 >> Yukon Base, 4WD >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> Wiring Systems And Power Management - Component Connector End Views - Electronic Compass Module To Memory Seat Module (X4) >> Component Connector End Views >> Heated Oxygen Sensor (HO2S)- Bank 1 Sensor 1
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Heated Oxygen Sensor (HO2S)- Bank 1 Sensor 1

GM474210Courtesy of
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 12176897
  • Service Connector: 15305960
  • Description: 4-Way F Metri-Pack 150 Sealed (GY)
Terminal Part Information
  • Terminated Lead: 13575427
  • Release Tool: J-38125-12A
  • Diagnostic Test Probe: J-35616-14 (GN)
  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
Heated Oxygen Sensor (HO2S)- Bank 1 Sensor 1

Pin Wire Circuit Function
A 0.5 TN 1664 HO2S Low Signal- Bank 1 Sensor 1
B 0.5 PU/WH 1665 HO2S High Signal- Bank 1 Sensor 1
C 0.5 GY/WH 3113 HO2S Heater Low Control- Bank 1 Sensor 1
D 0.5 PK 539 Ignition Voltage