AutoCodes – Chevrolet – P0059 2014 Chevrolet Silverado

P0059 2014 Chevrolet Silverado Code - HO2S Heater Resistance Bank 2 Sensor 1

Quick Answer

Heated Oxygen Sensors (HO2S) are used for fuel control and post catalyst monitoring. Common causes include Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1, Heated Oxygen Sensor Bank 2 Sensor 1 harness is open shorted, Heated Oxygen Sensor Bank 2 Sensor 1 circuit poor electrical connection. 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 2014 Chevrolet Silverado indicates HO2S Heater Resistance Bank 2 Sensor 1.
Common causes: Common causes include Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1, Heated Oxygen Sensor Bank 2 Sensor 1 harness is open shorted, Heated Oxygen Sensor Bank 2 Sensor 1 circuit poor electrical connection.
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.

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Code Popularity 518

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 25, 2024

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0059 2014 Chevrolet Silverado Description

Heated Oxygen Sensors (HO2S) are used for fuel control and post catalyst monitoring. Each HO2S compares the oxygen content of the surrounding air with the oxygen content in the exhaust stream. The HO2S must reach an operating temperature to provide an accurate voltage signal. A heating element inside the HO2S minimizes the time required for the sensors to reach operating temperature. Voltage is provided to the heater by an ignition voltage circuit through a fuse. With the engine running, the ground is provided to the heater by the HO2S heater low control circuit through a low side driver within the Engine Control Module (ECM). The ECM uses Pulse Width Modulation (PWM) to control the HO2S heater operation to maintain a specific HO2S operating temperature range.
The Diagnostic Trouble Code (DTC) will be set when the ECM detects the HO2S heater is not within a specified resistance range at engine start-up.

OBDII Code P0059 2014 Chevrolet Silverado - HO2S Heater Resistance Bank 2 Sensor 1 - AutoCodes.com — P0059 2014 Chevrolet Silverado Code - HO2S Heater Resistance Bank 2 Sensor 1

What does this mean?

What are the Possible Causes of the DTC P0059 2014 Chevrolet Silverado?

Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1
Heated Oxygen Sensor Bank 2 Sensor 1 harness is open shorted
Heated Oxygen Sensor Bank 2 Sensor 1 circuit poor electrical connection
Heated Oxygen Sensor Bank 2 Sensor 1 circuit fuse
Faulty Engine Control Module (ECM)

How to Fix the DTC P0059 2014 Chevrolet Silverado?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What does this mean?

Code Tech Notes

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0059 2014 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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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 2014 Chevrolet Silverado Code

What does the OBDII code P0059 mean for a 2014 Chevrolet Silverado?

The OBDII code P0059 indicates a malfunction with the heated oxygen sensor (HO2S) heater resistance for Bank 2 Sensor 1, which can affect the engine's fuel efficiency and emissions control.

What are the common symptoms of the P0059 code?

Common symptoms include poor fuel economy, increased emissions, check engine light illumination, and potential performance issues such as rough idling or hesitation during acceleration.

What can cause the P0059 code to trigger?

Causes may include a faulty heated oxygen sensor, wiring issues such as short circuits or open circuits, or problems with the vehicle's engine control module (ECM).

How can I diagnose the P0059 code?

To diagnose the P0059 code, check the wiring and connectors for damage, test the resistance of the heated oxygen sensor with a multimeter, and verify the sensor's operation using a scan tool.

What is the typical repair for a P0059 code?

The typical repair involves replacing the faulty Bank 2 Sensor 1 heated oxygen sensor, but it may also require fixing any underlying wiring or connector issues.

Can driving with a P0059 code cause further damage?

Yes, driving with a P0059 code can lead to poor engine performance and increased emissions, which may affect other components over time if not addressed.

How much does it typically cost to fix the P0059 code?

Repair costs can vary widely, but replacing the heated oxygen sensor typically ranges from $100 to $300, depending on labor rates and parts prices.

Will resetting the check engine light fix the P0059 code?

Resetting the check engine light will not fix the underlying issue; the code will reappear if the problem is not resolved.

Is it safe to drive my Silverado with a P0059 code?

While it may be safe to drive short distances, itâ€™s advisable to address the issue promptly to avoid potential performance problems and increased emissions.