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P0059 Chevrolet Code - HO2S Heater Resistance Bank 2 Sensor 1

Quick Answer

The P0059 code for Chevrolet vehicles indicates an issue with the HO2S (Heated Oxygen Sensor) heater resistance for Bank 2 Sensor 1. Common causes include Faulty HO2S heater element, Damaged wiring or connectors, ECM malfunction. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0059 Chevrolet indicates HO2S Heater Resistance Bank 2 Sensor 1.
Common causes
Common causes include Faulty HO2S heater element, Damaged wiring or connectors, ECM malfunction.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 05, 2024
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Code P0059 Chevrolet Description

The P0059 code for Chevrolet vehicles indicates an issue with the HO2S (Heated Oxygen Sensor) heater resistance for Bank 2 Sensor 1. This sensor is responsible for monitoring the oxygen levels in the exhaust system and sending this data to the engine control module (ECM) to ensure optimal fuel efficiency and emissions control. The heater element within the sensor is used to reach operating temperature quickly, allowing for accurate readings. When the ECM detects a higher than expected resistance in the heater circuit, it triggers the P0059 code.

OBDII Code P0059 Chevrolet - HO2S Heater Resistance Bank 2 Sensor 1
P0059 Chevrolet Code - HO2S Heater Resistance Bank 2 Sensor 1

Common Causes of P0059 Chevrolet

  1. Faulty HO2S heater element
  2. Damaged wiring or connectors
  3. ECM malfunction
  4. Corrosion or contamination in the sensor

Symptoms of P0059 Chevrolet

  1. Decreased fuel efficiency
  2. Rough idling or stalling
  3. Check Engine Light illuminated
  4. Poor engine performance
  5. Increased emissions

How to Fix P0059 Chevrolet

  1. Diagnose the issue using a scan tool to verify the P0059 code and check the sensor's resistance.
  2. Inspect the wiring and connectors for any damage or corrosion. Repair or replace as needed.
  3. Test the sensor's heater element for proper function. Replace the sensor if necessary.
  4. Clear the code from the ECM and perform a test drive to ensure the issue is resolved.
  5. If the problem persists, further diagnostics may be required to identify any underlying issues with the ECM or other components.

Cost to Fix P0059 Chevrolet

The cost of repairing a P0059 code on a Chevrolet vehicle can vary depending on the specific model and year. In general, the replacement of an oxygen sensor can range from $150 to $300, including parts and labor. Additional costs may apply if wiring repairs or ECM diagnostics are needed. It's recommended to consult with a certified mechanic or dealership for a more accurate estimate based on your vehicle's specific requirements. Keep in mind that labor rates can vary, so it's advisable to inquire about local rates before proceeding with the repair.

What does this mean?

Tech Notes for P0059 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 P0059 Chevrolet Code

1. What does the OBDII code P0059 for a Chevrolet indicate?

The code P0059 indicates an issue with the HO2S (Heated Oxygen Sensor) heater resistance in Bank 2 Sensor 1.

2. What are the common symptoms of a P0059 code in a Chevrolet?

Common symptoms include poor fuel economy, engine misfires, rough idling, and a noticeable decrease in engine performance.

3. What are the possible causes of a P0059 code in a Chevrolet?

Possible causes include a faulty oxygen sensor, damaged wiring or connectors, a blown fuse, or issues with the engine control module (ECM).

4. How can I diagnose a P0059 code in my Chevrolet?

Diagnosing a P0059 code involves checking the wiring and connectors for damage, verifying the fuse is intact, and testing the oxygen sensor's resistance using a multimeter.

5. How can I repair a P0059 code in my Chevrolet?

Repairing a P0059 code may involve replacing the Bank 2 Sensor 1 oxygen sensor, repairing damaged wiring or connectors, or addressing any ECM issues that are present.

6. Can I drive my Chevrolet with a P0059 code?

It is not recommended to drive your Chevrolet with a P0059 code, as it can lead to decreased performance and potential damage to the catalytic converter over time.

7. How much does it typically cost to repair a P0059 code in a Chevrolet?

The cost of repairing a P0059 code can vary depending on the exact cause of the issue, but it may range from $150 to $400 for parts and labor.

8. Will a P0059 code cause my Chevrolet to fail an emissions test?

Yes, a P0059 code can cause your Chevrolet to fail an emissions test due to the impact it has on the vehicle's fuel efficiency and emissions output.

9. How long does it take to repair a P0059 code in a Chevrolet?

The repair time for a P0059 code can vary depending on the exact cause of the issue and the availability of parts, but it typically takes 1-2 hours to complete the repair.

10. Can I reset a P0059 code in my Chevrolet without fixing the underlying issue?

While you can clear the code using an OBDII scanner, it is not recommended to reset the code without addressing the underlying problem, as it will likely reappear and potentially cause further damage.

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