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2011 GMC Sierra 2500 HD SLE 6.0L MIL Lamp on
Posted to GM Driveability on 1/10/2018 7 Replies

Getting Stumped on this one, truck came in with code for rear O2, we diagnosed and replaced, scan tool readings were maxed out at 1.275mv, bias voltage is 1.9V going to sensor and had 1.2 - 1.25 returning back on Low Sig wire. It came back a week later wit...

7 Replies Received (View Replies)

  Related Documents & Media  2011 GMC Sierra 2500 HD SLE

 
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car Vehicle Data

2011 GMC Sierra 2500 HD SLE

VIN 1GT22ZCG9B
Engine6.0 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0138Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage
P0158Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit High Voltage
Message Closed

car Vehicle Data

2011 GMC Sierra 2500 HD SLE

VIN 1GT22ZCG9B
Engine6.0 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0138Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage
P0158Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit High Voltage