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Engine-Codes – Nissan – P0038 2009 Nissan Versa

P0038 2009 Nissan Versa Code - HO2S12 Heater Control Circuit High

Quick Answer

The diagnostic trouble code P0038 in a 2009 Nissan Versa indicates an issue with the HO2S12 (Heated Oxygen Sensor 1 Bank 1 Sensor 2) heater control circuit being too high. Common causes include Faulty HO2S12 sensor heater, Damaged wiring or connectors in the heater circuit, Blown fuse related to the heater circuit. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
P0038 2009 Nissan Versa indicates HO2S12 Heater Control Circuit High.
Common causes
Common causes include Faulty HO2S12 sensor heater, Damaged wiring or connectors in the heater circuit, Blown fuse related to the heater circuit.
Severity
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
What is this?
Table of contents Created and updated by William Orellana on Sep 14, 2024
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Code P0038 2009 Nissan Versa Description

The diagnostic trouble code P0038 in a 2009 Nissan Versa indicates an issue with the HO2S12 (Heated Oxygen Sensor 1 Bank 1 Sensor 2) heater control circuit being too high. The HO2S12 sensor is responsible for monitoring the oxygen levels in the exhaust gases and providing feedback to the engine control module (ECM) to adjust the air-fuel mixture for optimal combustion. The heater control circuit is designed to heat up the sensor quickly to operating temperature for accurate readings.

OBDII Code P0038 2009 Nissan Versa - HO2S12 Heater Control Circuit High
P0038 2009 Nissan Versa Code - HO2S12 Heater Control Circuit High

Common Causes of P0038 2009 Nissan Versa

  1. Faulty HO2S12 sensor heater.
  2. Damaged wiring or connectors in the heater circuit.
  3. Blown fuse related to the heater circuit.
  4. Malfunctioning ECM.
  5. Corrosion or contamination in the sensor connections.

Symptoms of P0038 2009 Nissan Versa

  1. Check Engine Light illuminated on the dashboard.
  2. Decreased fuel efficiency.
  3. Rough idling or engine misfires.
  4. Poor engine performance.
  5. Failed emissions test.

How to Fix P0038 2009 Nissan Versa

  1. Begin by diagnosing the specific cause of the high heater control circuit, using a scan tool to read the code and perform electrical tests on the sensor and related components.
  2. Inspect the wiring and connectors for any damage or corrosion, repairing or replacing as necessary.
  3. Check the fuse related to the HO2S12 heater circuit and replace if blown.
  4. Test the HO2S12 sensor heater for proper resistance and functionality, replacing it if found to be faulty.
  5. Clear the trouble code from the ECM memory and perform a test drive to ensure the issue has been resolved.

Cost to Fix P0038 2009 Nissan Versa

The typical repair costs for addressing a P0038 code in a 2009 Nissan Versa can range from $150 to $400, depending on the specific cause of the issue and the cost of parts and labor. This estimate includes the replacement of the HO2S12 sensor heater, any necessary wiring repairs, and diagnostic time. It's important to note that labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate based on your location and vehicle specifics.

When is the Code Detected?

The P0038 is set when the ECM detects an excessively high voltage through the heated oxygen sensor heater circuit

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0038 2009 Nissan Versa Code

1. What does the OBDII code P0038 mean for a 2009 Nissan Versa?

The code P0038 for a 2009 Nissan Versa indicates a fault in the HO2S12 (Heated Oxygen Sensor 1 Bank 1 Sensor 2) heater control circuit, specifically a high voltage condition.

2. What are the common symptoms of OBDII code P0038 in a 2009 Nissan Versa?

Common symptoms of code P0038 in a 2009 Nissan Versa may include decreased fuel efficiency, rough idling, engine misfires, and the illumination of the Check Engine Light.

3. What are the potential causes of OBDII code P0038 in a 2009 Nissan Versa?

Possible causes of code P0038 in a 2009 Nissan Versa include a faulty HO2S12 sensor, damaged wiring or connectors in the heater circuit, a blown fuse, or issues with the vehicle's ECM (Engine Control Module).

4. How can I diagnose the OBDII code P0038 in my 2009 Nissan Versa?

Diagnosing code P0038 in a 2009 Nissan Versa typically involves checking the HO2S12 sensor's wiring and connectors for damage, testing the sensor's resistance, inspecting the fuse related to the heater circuit, and scanning the ECM for any related fault codes.

5. Can I still drive my 2009 Nissan Versa with the OBDII code P0038 present?

It is not recommended to drive your 2009 Nissan Versa with the OBDII code P0038 active, as it can lead to potential engine performance issues and further damage if left unresolved.

6. How can I repair OBDII code P0038 in my 2009 Nissan Versa?

Repairing code P0038 in a 2009 Nissan Versa may involve replacing the HO2S12 sensor, repairing or replacing damaged wiring/connectors, checking and replacing any blown fuses, and clearing the fault code with a diagnostic tool.

7. Is it necessary to reset the ECM after repairing OBDII code P0038 in a 2009 Nissan Versa?

Yes, it is recommended to reset the ECM after repairing code P0038 in a 2009 Nissan Versa to clear the fault code and ensure proper operation of the vehicle's emissions control system.

8. How much does it typically cost to fix OBDII code P0038 in a 2009 Nissan Versa?

The cost of fixing code P0038 in a 2009 Nissan Versa can vary depending on the root cause of the issue, but it may range from $100 to $300 for parts and labor.

9. Can I prevent OBDII code P0038 from occurring in my 2009 Nissan Versa?

To help prevent code P0038 in a 2009 Nissan Versa, it's essential to perform regular maintenance on the vehicle, including checking and replacing oxygen sensors as recommended, and addressing any engine performance issues promptly.

10. Will OBDII code P0038 in a 2009 Nissan Versa cause the vehicle to fail an emissions test?

Yes, code P0038 in a 2009 Nissan Versa can cause the vehicle to fail an emissions test, as it indicates a fault in the oxygen sensor heater circuit, which is essential for proper emissions control.

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