Engine-CodesChevrolet – P0058 Chevrolet

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

Quick Answer

The P0058 Chevrolet code refers to a problem with the HO2S (Heated Oxygen Sensor) Heater Control Circuit for Bank 2 Sensor 2. Common causes include Faulty Oxygen Sensor: The most common cause of this code is a malfunctioning HO2S heater element in Bank 2 Sensor 2, Wiring Issues: Damaged or corroded wiring in the heater control circuit can prevent the sensor from receiving the necessary voltage, ECM Malfunction: A problem with the engine control module can also trigger the P0058 code. 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 Chevrolet indicates HO2S Heater Control Circuit High Voltage Bank 2 Sensor 2.
Common causes
Common causes include Faulty Oxygen Sensor: The most common cause of this code is a malfunctioning HO2S heater element in Bank 2 Sensor 2, Wiring Issues: Damaged or corroded wiring in the heater control circuit can prevent the sensor from receiving the necessary voltage, ECM Malfunction: A problem with the engine control module can also trigger the P0058 code.
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.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0058 Chevrolet Description

The P0058 Chevrolet code refers to a problem with the HO2S (Heated Oxygen Sensor) Heater Control Circuit for Bank 2 Sensor 2. This sensor is responsible for monitoring the oxygen levels in the exhaust gases and sending this information to the engine control module (ECM) to adjust the air-fuel mixture for optimal combustion. The heater control circuit is designed to bring the sensor up to operating temperature quickly for accurate readings.

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

Common Causes of P0058 Chevrolet

  1. Faulty Oxygen Sensor: The most common cause of this code is a malfunctioning HO2S heater element in Bank 2 Sensor 2.
  2. Wiring Issues: Damaged or corroded wiring in the heater control circuit can prevent the sensor from receiving the necessary voltage.
  3. ECM Malfunction: A problem with the engine control module can also trigger the P0058 code.
  4. Exhaust Leak: A leak in the exhaust system near the oxygen sensor can cause incorrect readings.
  5. Short Circuit: A short circuit in the heater control circuit can lead to high voltage readings.

Symptoms of P0058 Chevrolet

  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. Poor Fuel Economy: A malfunctioning oxygen sensor can cause the engine to run rich or lean, leading to decreased fuel efficiency.
  3. Rough Idle: The engine may experience rough idling or hesitation when the oxygen sensor is not functioning properly.
  4. Failed Emissions Test: A faulty oxygen sensor can cause the vehicle to fail emissions tests due to increased emissions.
  5. Decreased Engine Performance: The engine may lack power or responsiveness when the oxygen sensor is not providing accurate readings.

How to Fix P0058 Chevrolet

  1. Diagnose the Issue: Use a scan tool to retrieve the trouble code and perform a visual inspection of the oxygen sensor and wiring.
  2. Test the Oxygen Sensor: Check the resistance of the heater element in Bank 2 Sensor 2 to determine if it is faulty.
  3. Check Wiring: Inspect the wiring harness for any damage or corrosion and repair or replace as needed.
  4. Replace Oxygen Sensor: If the sensor is determined to be faulty, replace Bank 2 Sensor 2 with a new one.
  5. Clear Codes: After completing the repair, clear the trouble codes from the ECM and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0058 Chevrolet

The cost of repairing the P0058 Chevrolet code can vary depending on the specific make and model of the vehicle, as well as the labor rates in your area. On average, the cost of replacing an oxygen sensor can range from $200 to $400, including parts and labor. Additional costs may apply if wiring repairs or ECM diagnostics are necessary. It's recommended to consult with a professional mechanic to get an accurate estimate based on your vehicle's needs. Keep in mind that labor rates can vary between auto repair shops, so it's advisable to shop around for the best price.

Tech Notes for P0058 Chevrolet

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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Information for Specific Chevrolet Models

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 Chevrolet Code

1. What does the OBDII code P0058 mean for a Chevrolet?

P0058 indicates a high voltage issue in the HO2S (Heated Oxygen Sensor) heater control circuit for Bank 2 Sensor 2.

2. What are the symptoms of P0058 in a Chevrolet?

Symptoms may include an illuminated check engine light, decreased fuel efficiency, rough idling, or failed emissions tests.

3. What causes the P0058 code to appear?

Common causes include a faulty oxygen sensor, damaged wiring, a short or open circuit, or a malfunctioning powertrain control module (PCM).

4. Which sensor is affected by the P0058 code?

The code refers to the downstream oxygen sensor (Sensor 2) on Bank 2, which monitors the catalytic converter's efficiency.

5. Can I drive my Chevrolet with a P0058 code?

While the vehicle may still be drivable, ignoring the code could lead to poor fuel economy and potential damage to the catalytic converter.

6. How do I diagnose the P0058 code in a Chevrolet?

Check the wiring and connectors for damage, test the oxygen sensor heater circuit for continuity, and verify the voltage levels with a multimeter.

7. How is the P0058 code repaired?

Repairs may involve replacing the oxygen sensor, repairing damaged wiring, or addressing PCM-related issues if necessary.

8. How much does it cost to fix a P0058 code on a Chevrolet?

The cost varies but typically ranges from $150 to $400, depending on whether only the sensor needs replacement or additional repairs are required.

9. Can a bad fuse cause the P0058 code?

Yes, a blown fuse related to the oxygen sensor heater circuit could trigger this code.

10. Is it necessary to clear the P0058 code after repairs?

Yes, after completing repairs, clear the code with an OBDII scanner and test drive to ensure it doesn’t reappear.

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