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  1. P0038 HO2S Heater Control Circuit High (Bank 1 Sensor 2)

    Detailed information on troubleshooting and repairing a P0038 DTC code which refers to the HO2S Heater Control Circuit. Also includes links to relevant forum topics on the code.

  2. P0038 Code Meaning, Causes, Symptoms & Tech Notes

    What are the symptoms of a P0038 code? Common symptoms include an illuminated Check Engine Light, decreased fuel efficiency, and possibly a failed emissions test.

  3. P0038 Code: O2 Sensor Heater Issue (Symptoms and How to Fix)

    Jul 15, 2025 · What exactly is a P0038 code and is it safe to continue driving with it? We'll also look at the most likely causes and how to properly fix it.

  4. P0038 OBD-II Trouble Code | Advance Auto Parts

    Dec 29, 2020 · Advance Auto Parts looks at OBD-II trouble code P0038. We'll cover what it means, symptoms, and common fixes.

  5. Code P0038: How to Fix Heated Oxygen Sensor Circuit High

    The OBD-II trouble code P0038 stands for "Heated Oxygen Sensor Heater Control Circuit High (Bank 1, Sensor 2)". This error code is typically triggered when the powertrain control module …

  6. OBD2-code P0038: oorzaken, symptomen & hoe te repareren

    Ontdek de exacte betekenis van de foutcode p0038, de mogelijke oorzaken en tips om hem te elimineren - allemaal gratis.

  7. P0038: Heated Oxygen Sensor Heater Control Circuit High (Bank …

    May 31, 2024 · In most cases, replacing the faulty oxygen sensor will eliminate the problem responsible for the P0038 code. The exact fix, however, will likely differ based on the make …

  8. What is OBD-II Code P0038 – HO2S Heater Control Circuit High …

    The OBD-II Code P0038 refers to the HO2S Heater Control Circuit High on Bank 1 Sensor 2, which can cause engine performance and emission issues. Diagnosing the root cause of the …

  9. P0038 Code – What Does This Mean & How to Fix - OBD2PROS

    When the PCM identifies the heater circuit with an unusually high voltage state, P0038 can be set. This code only refers to half of the oxygen sensor heating circuit.

  10. P0038 Code: Meaning, Causes, and Symptoms | OBD2 Codes

    Feb 12, 2020 · Code P0038 stands for HO2S Heater Control Circuit High Bank 1 Sensor 2. Read the article to know possible causes, symptoms, and descriptions.