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P0059 2017 Chevrolet Silverado Code - HO2S Heater Resistance Bank 2 Sensor 1

Quick Answer

The P0059 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates an issue with the HO2S (Heated Oxygen Sensor) Heater Resistance for Bank 2 Sensor 1. Common causes include Faulty HO2S Heater: The most common cause of the P0059 code is a malfunctioning heater element in the HO2S for Bank 2 Sensor 1, Wiring Issues: Damage or corrosion in the wiring harness connected to the sensor can cause resistance in the circuit, triggering the code, ECM Malfunction: A problem with the engine control module (ECM) can also lead to the P0059 code being triggered. 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 2017 Chevrolet Silverado indicates HO2S Heater Resistance Bank 2 Sensor 1.
Common causes
Common causes include Faulty HO2S Heater: The most common cause of the P0059 code is a malfunctioning heater element in the HO2S for Bank 2 Sensor 1, Wiring Issues: Damage or corrosion in the wiring harness connected to the sensor can cause resistance in the circuit, triggering the code, ECM Malfunction: A problem with the engine control module (ECM) can also lead to the P0059 code being triggered.
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 15, 2024
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Code P0059 2017 Chevrolet Silverado Description

The P0059 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado 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 gases and providing feedback to the engine control module (ECM) to adjust the air-fuel mixture for optimal combustion. The heater element in the sensor helps it reach operating temperature quickly, allowing it to provide accurate readings sooner.

OBDII Code P0059 2017 Chevrolet Silverado - HO2S Heater Resistance Bank 2 Sensor 1
P0059 2017 Chevrolet Silverado Code - HO2S Heater Resistance Bank 2 Sensor 1

Common Causes of P0059 2017 Chevrolet Silverado

  1. Faulty HO2S Heater: The most common cause of the P0059 code is a malfunctioning heater element in the HO2S for Bank 2 Sensor 1.
  2. Wiring Issues: Damage or corrosion in the wiring harness connected to the sensor can cause resistance in the circuit, triggering the code.
  3. ECM Malfunction: A problem with the engine control module (ECM) can also lead to the P0059 code being triggered.
  4. Exhaust Leak: A leak in the exhaust system near the sensor can cause incorrect readings and trigger the code.
  5. Sensor Contamination: Contaminants such as oil or coolant can damage the sensor and cause it to malfunction.

Symptoms of P0059 2017 Chevrolet Silverado

  1. Check Engine Light: The most common symptom associated with the P0059 code is the illumination of the check engine light on the vehicle's dashboard.
  2. Decreased Fuel Efficiency: A faulty HO2S heater can lead to inaccurate readings, causing the engine to run less efficiently and potentially reducing fuel economy.
  3. Rough Idle: The engine may experience rough idling or hesitation during acceleration due to incorrect air-fuel mixture.
  4. Failed Emissions Test: If the HO2S is not functioning properly, it can lead to increased emissions, causing the vehicle to fail an emissions test.
  5. Engine Misfires: In severe cases, a malfunctioning HO2S can cause engine misfires or stalling.

How to Fix P0059 2017 Chevrolet Silverado

  1. Diagnose the Issue: Use a scan tool to retrieve the P0059 code and perform a visual inspection of the sensor and wiring harness.
  2. Test the Heater Circuit: Check the resistance of the heater element in the HO2S using a multimeter to determine if it is faulty.
  3. Replace the HO2S: If the heater element is defective, replace the HO2S for Bank 2 Sensor 1 with a new, OEM-quality sensor.
  4. Repair Wiring: If there are any issues with the wiring harness, repair or replace damaged wires to ensure proper connection.
  5. Clear Codes and Test Drive: After completing the repair, clear the DTCs from the ECM and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0059 2017 Chevrolet Silverado

The typical repair costs for addressing the P0059 code on a 2017 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, the cost of a new HO2S for Bank 2 Sensor 1 can range from $50 to $200, depending on the brand and quality of the sensor. Labor costs for this repair can range from $100 to $300, depending on the shop's hourly rate and the time required for the repair. Additional costs may be incurred if wiring repairs or other components need to be replaced. It's recommended to consult with a certified mechanic or auto repair shop for a more accurate estimate based on the specific circumstances of the vehicle.

What does this mean?

Tech Notes for P0059 2017 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 P0059 2017 Chevrolet Silverado Code

1. What is OBDII code P0059 in a 2017 Chevrolet Silverado?

The OBDII code P0059 for a 2017 Chevrolet Silverado indicates a malfunction in the HO2S (Heated Oxygen Sensor) heater resistance for Bank 2 Sensor 1.

2. What are the common symptoms of OBDII code P0059 in a 2017 Chevrolet Silverado?

Common symptoms of OBDII code P0059 in a 2017 Chevrolet Silverado may include poor fuel efficiency, rough idling, engine misfires, and the illumination of the Check Engine Light.

3. What could cause OBDII code P0059 in a 2017 Chevrolet Silverado?

Potential causes of OBDII code P0059 in a 2017 Chevrolet Silverado include a faulty HO2S heater, damaged wiring or connectors, a blown fuse, or issues with the engine control module.

4. How can I diagnose the OBDII code P0059 in my 2017 Chevrolet Silverado?

Diagnosing OBDII code P0059 in a 2017 Chevrolet Silverado involves using an OBDII scanner to retrieve the code, inspecting the HO2S heater circuit for continuity, checking the wiring and connectors for damage, and verifying the fuse related to the sensor.

5. Can I continue to drive my 2017 Chevrolet Silverado with OBDII code P0059?

It is not recommended to drive your 2017 Chevrolet Silverado with OBDII code P0059 unresolved, as it can lead to poor engine performance and potentially cause damage to other components.

6. How do I repair OBDII code P0059 in my 2017 Chevrolet Silverado?

Repairing OBDII code P0059 in a 2017 Chevrolet Silverado typically involves replacing the faulty HO2S sensor, repairing damaged wiring or connectors, and ensuring the fuse related to the sensor is in good condition.

7. Is it safe to reset the Check Engine Light after fixing OBDII code P0059 in my 2017 Chevrolet Silverado?

Once you have fixed OBDII code P0059 in your 2017 Chevrolet Silverado, it is safe to reset the Check Engine Light using an OBDII scanner to clear the stored fault code.

8. How much does it cost to repair OBDII code P0059 in a 2017 Chevrolet Silverado?

The cost to repair OBDII code P0059 in a 2017 Chevrolet Silverado can vary depending on the cause of the issue, but it typically ranges from $150 to $400 for parts and labor.

9. Can a DIY enthusiast fix OBDII code P0059 in a 2017 Chevrolet Silverado?

A DIY enthusiast with the necessary tools and knowledge of automotive repair may be able to fix OBDII code P0059 in a 2017 Chevrolet Silverado by following a repair guide or consulting with a professional for assistance.

10. How often does OBDII code P0059 occur in a 2017 Chevrolet Silverado?

OBDII code P0059 for the HO2S heater resistance in a 2017 Chevrolet Silverado can occur due to various factors, but it is not a common issue compared to other potential diagnostic trouble codes.

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