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  1. P0161 Code? Here’s How to Fix It – Quickly and Easily

    Dec 27, 2024 · To diagnose, retrieve the trouble code, perform a visual inspection, and check the oxygen sensor’s heater circuit resistance and voltage supply. To resolve the issue, the oxygen …

  2. P0161 Code Meaning, Causes, Symptoms & Tech Notes

    The diagnostic trouble code P0161 refers to the HO2S (Heated Oxygen Sensor) Heater Performance on Bank 2 Sensor 2. This code indicates that the oxygen sensor located after the catalytic converter on …

  3. P0161: Oxygen Sensor Heater Circuit Malfunction (Bank 2 ...

    Jan 24, 2025 · Here are the symptoms associated with this code and what you should do to diagnose and repair the issue.

  4. P0161 Engine Code | Oxygen O2 Sensor Heater Circuit ...

    Sep 18, 2024 · Check engine light code P0161 means O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2). Find out how to fix it in this article!

  5. How To Fix P0161? | Heated O2 Sensor Heater Circuit ...

    Aug 25, 2024 · What does the P0161 Heated O2 Sensor Heater Circuit Malfunction (Bank 2, Sensor 2) mean? P0161 code gets triggered when the Engine Control Module detects a fault in the heater …

  6. P0161 Code: Fix O2 Sensor Heater on Bank 2 Sensor 2 - AxleAddict

    Jul 14, 2025 · Learn what causes the P0161 code and how to fix Bank 2 Sensor 2 O2 heater issues. See symptoms, repair costs, and if it’s safe to keep driving.

  7. P0161 - O2 Sensor Heater Circuit - RepairPal

    Code P0161 sets when the Powertrain Computer or PCM has determined that the Oxygen Sensor Heating Circuit is malfunctioning. This means that the Heating Circuit is using too little or too much …