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P0058 2018 Chevrolet Silverado Code - HO2S Heater Control Circuit High Voltage Bank 2 Sensor 2

Quick Answer

The P0058 diagnostic trouble code (DTC) for a 2018 Chevrolet Silverado refers to a problem with the HO2S (Heated Oxygen Sensor) Heater Control Circuit High Voltage for Bank 2 Sensor 2. Common causes include Faulty Oxygen Sensor: The oxygen sensor itself may be malfunctioning, causing the high voltage condition in the heater circuit, Wiring Issues: Damaged or corroded wiring in the heater circuit can lead to high voltage readings, ECM Malfunction: A problem with the engine control module (ECM) can cause incorrect signals to be sent to the oxygen sensor. 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
P0058 2018 Chevrolet Silverado indicates HO2S Heater Control Circuit High Voltage Bank 2 Sensor 2.
Common causes
Common causes include Faulty Oxygen Sensor: The oxygen sensor itself may be malfunctioning, causing the high voltage condition in the heater circuit, Wiring Issues: Damaged or corroded wiring in the heater circuit can lead to high voltage readings, ECM Malfunction: A problem with the engine control module (ECM) can cause incorrect signals to be sent to the oxygen sensor.
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 15, 2024
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Code P0058 2018 Chevrolet Silverado Description

The P0058 diagnostic trouble code (DTC) for a 2018 Chevrolet Silverado refers to a problem with the HO2S (Heated Oxygen Sensor) Heater Control Circuit High Voltage for Bank 2 Sensor 2. This code indicates that the oxygen sensor located after the catalytic converter on the second bank of cylinders is experiencing a high voltage condition in its heater circuit. The heater circuit is responsible for quickly bringing the oxygen sensor up to operating temperature, allowing it to accurately measure the oxygen content in the exhaust gases.

OBDII Code P0058 2018 Chevrolet Silverado - HO2S Heater Control Circuit High Voltage Bank 2 Sensor 2
P0058 2018 Chevrolet Silverado Code - HO2S Heater Control Circuit High Voltage Bank 2 Sensor 2

Common Causes of P0058 2018 Chevrolet Silverado

  1. Faulty Oxygen Sensor: The oxygen sensor itself may be malfunctioning, causing the high voltage condition in the heater circuit.
  2. Wiring Issues: Damaged or corroded wiring in the heater circuit can lead to high voltage readings.
  3. ECM Malfunction: A problem with the engine control module (ECM) can cause incorrect signals to be sent to the oxygen sensor.
  4. Exhaust Leak: An exhaust leak near the oxygen sensor can affect its readings and lead to a high voltage condition.
  5. Sensor Contamination: Contaminants such as oil or coolant can affect the oxygen sensor's performance and cause high voltage in the heater circuit.

Symptoms of P0058 2018 Chevrolet Silverado

  1. Check Engine Light: The most common symptom associated with this code is the illumination of the check engine light on the vehicle's dashboard.
  2. Decreased Fuel Efficiency: A malfunctioning oxygen sensor can lead to incorrect fuel mixture readings, resulting in decreased fuel efficiency.
  3. Rough Idle: The engine may experience rough idling or hesitation due to inaccurate oxygen sensor readings.
  4. Failed Emissions Test: If the oxygen sensor is not functioning properly, it can cause the vehicle to fail an emissions test.
  5. Increased Emissions: A faulty oxygen sensor can lead to increased emissions from the vehicle, impacting environmental regulations.

How to Fix P0058 2018 Chevrolet Silverado

  1. Diagnose the Issue: Use a scan tool to retrieve the DTC and perform further testing to pinpoint the exact cause of the high voltage condition.
  2. Inspect Wiring: Check the wiring harness for any damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Test Oxygen Sensor: Test the oxygen sensor to determine if it is functioning properly. Replace the sensor if it is faulty.
  4. Check ECM: Verify that the engine control module is sending the correct signals to the oxygen sensor. Repair or replace the ECM if needed.
  5. Clear Codes and Test Drive: After completing the repairs, clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0058 2018 Chevrolet Silverado

The typical repair costs for addressing a P0058 code on a 2018 Chevrolet Silverado 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 cost of a new oxygen sensor, potential wiring repairs, and diagnostic labor. It's important to note that actual repair costs can vary based on factors such as location, the shop's labor rates, and any additional components that may need to be replaced. It's recommended to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate tailored to your vehicle's specific needs.

What does this mean?

Tech Notes for P0058 2018 Chevrolet Silverado

The code means that there is a problem with the heater element circuit of the heated oxygen sensor. The control module monitors how long it takes the sensor to warm up and start sending an adequate signal. The code is set when the sensor is taking too long to warm up. Water getting inside the heated oxygen sensor connector can cause the heated oxygen sensor fuse to blow. Before replacing the sensor, check for the condition of the heated oxygen sensor fuse and connectors. If the fuse and connector are OK, replacing the O2 Sensor usually takes care of the problem.

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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 P0058 2018 Chevrolet Silverado Code

1. What does OBDII code P0058 on a 2018 Chevrolet Silverado indicate?

The code P0058 for a 2018 Chevrolet Silverado refers to a fault in the HO2S (Heated Oxygen Sensor) heater control circuit for Bank 2 Sensor 2, indicating high voltage.

2. What are the common symptoms of OBDII code P0058 on a 2018 Chevrolet Silverado?

Common symptoms of code P0058 may include decreased fuel efficiency, rough idling, poor engine performance, and the illumination of the check engine light.

3. What are the potential causes of OBDII code P0058 on a 2018 Chevrolet Silverado?

Causes of code P0058 can include a faulty HO2S sensor, damaged wiring or connectors in the sensor circuit, a blown fuse, or issues with the engine control module (ECM).

4. How can I diagnose OBDII code P0058 on a 2018 Chevrolet Silverado?

Diagnosing code P0058 involves using an OBDII scanner to retrieve the specific fault code, inspecting the HO2S sensor, checking the wiring and connectors for damage, and testing the heater circuit for proper voltage.

5. Can I continue to drive my 2018 Chevrolet Silverado with OBDII code P0058?

It's not recommended to drive your vehicle with an unresolved P0058 code, as it can lead to poor engine performance and potential damage over time. It's best to address the issue promptly.

6. How can I repair OBDII code P0058 on my 2018 Chevrolet Silverado?

Repairing code P0058 may involve replacing the Bank 2 Sensor 2 HO2S sensor, repairing or replacing damaged wiring or connectors, checking and replacing fuses if necessary, and resetting the fault code.

7. Is it possible to reset OBDII code P0058 on a 2018 Chevrolet Silverado without fixing the issue?

While you can clear the fault code using an OBDII scanner, it's essential to address the underlying problem causing code P0058. Simply resetting the code without fixing the issue may lead to recurring problems.

8. Are there any DIY tips for troubleshooting OBDII code P0058 on a 2018 Chevrolet Silverado?

DIY troubleshooting tips for code P0058 include visually inspecting the sensor and its wiring for visible damage, checking the fuse related to the sensor circuit, and ensuring all connections are secure.

9. Can a faulty oxygen sensor cause code P0058 on a 2018 Chevrolet Silverado?

Yes, a faulty HO2S sensor for Bank 2 Sensor 2 can trigger code P0058 on a 2018 Chevrolet Silverado, as it affects the heater control circuit and leads to high voltage readings.

10. How long does it typically take to repair OBDII code P0058 on a 2018 Chevrolet Silverado?

The repair time for code P0058 can vary depending on the exact cause of the issue and the complexity of the repair. It may take anywhere from 30 minutes to a few hours to complete the repair.

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