Chevy Tahoe

What is fault code P0161 in Chevy Tahoe?

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2012-05-27 05:34:16
2012-05-27 05:34:16

Here is what I have on it:

DTC Code P0161DTC Code:P0161Description: Oxygen Sensor Heater Circuit (Bank 2, Sensor 2)Probable Causes:
  1. Sensor or solenoid faulty
  2. Connector terminal contact is damaged or corroded
  3. Wire harness - Check harness for correct voltage, open, short to ground or short to voltage
  4. Update control unit software - Check for the latest control unit update
  5. Powertrain or Engine Control Module faulty
  6. Open fuse
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