Heated Oxygen Sensor (HO2S) - Bank 1 Sensor 1 (6.0L with ZW9)

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Heated Oxygen Sensor (HO2S) - Bank 1 Sensor 1 (6.0L with ZW9) Connector End View

Courtesy of GENERAL MOTORS CORP.

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	-	-	Not Available
D	0.5 PK	539	Ignition 1 Voltage
E	0.5 GY/WH	3113	HO2S Heater Low Control - Bank 1 Sensor 1

Connector Part Information

OEM: 12092839
Service: 88987991
Description: 4-Way M Metri-Pack 150 Series Sealed (BK)

Terminal Part Information

Terminal/Tray: 12045773/2
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 12094429/J-35616-3 (GY)