AutoCodes – GMC – P0053 2017 GMC Sierra

P0053 2017 GMC Sierra Code - HO2S Heater Resistance Bank 1 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 1 Sensor 1, Heated Oxygen Sensor Bank 1 Sensor 1 harness is open shorted, Heated Oxygen Sensor Bank 1 Sensor 1 circuit poor electrical connection. 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: P0053 2017 GMC Sierra indicates HO2S Heater Resistance Bank 1 Sensor 1.
Common causes: Common causes include Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1, Heated Oxygen Sensor Bank 1 Sensor 1 harness is open shorted, Heated Oxygen Sensor Bank 1 Sensor 1 circuit poor electrical connection.
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.

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Code Popularity 237

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 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 P0053 2017 GMC Sierra 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 P0053 2017 GMC Sierra - HO2S Heater Resistance Bank 1 Sensor 1 - AutoCodes.com — P0053 2017 GMC Sierra Code - HO2S Heater Resistance Bank 1 Sensor 1

What does this mean?

What are the Possible Causes of the DTC P0053 2017 GMC Sierra?

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

How to Fix the DTC P0053 2017 GMC Sierra?

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 P0053 2017 GMC Sierra 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 P0053 2017 GMC Sierra Code

What does the OBDII code P0053 mean on a 2017 GMC Sierra?

P0053 indicates a problem with the heater circuit resistance in the oxygen sensor (Bank 1 Sensor 1), which helps the sensor reach operating temperature for accurate readings.

What are the symptoms of code P0053 in a 2017 GMC Sierra?

Common symptoms include an illuminated check engine light, poor fuel economy, rough engine performance, and potential difficulty passing emissions tests.

What causes code P0053 on a 2017 GMC Sierra?

Causes may include a faulty oxygen sensor heater circuit, damaged wiring or connectors, blown fuses, or an issue with the vehicle's powertrain control module (PCM).

How can I diagnose code P0053 on my 2017 GMC Sierra?

Start by inspecting the wiring and connectors for damage or corrosion. Use a multimeter to check the heater circuit resistance and verify proper voltage supply to the oxygen sensor.

Can I drive my 2017 GMC Sierra with code P0053 active?

While the vehicle may still be drivable, you might experience reduced performance and fuel efficiency. Prolonged driving with this code could lead to further damage or emissions issues.

How do I fix code P0053 on a 2017 GMC Sierra?

Repairs may include replacing the oxygen sensor (Bank 1 Sensor 1), fixing or replacing damaged wiring, or addressing issues in the PCM if necessary.

What is Bank 1 Sensor 1 in a 2017 GMC Sierra?

Bank 1 refers to the side of the engine with cylinder 1, and Sensor 1 is the upstream oxygen sensor located before the catalytic converter.

How much does it cost to repair code P0053 on a 2017 GMC Sierra?

Repair costs can range from $150 to $400 depending on whether the oxygen sensor needs replacement or if more extensive wiring or PCM repairs are required.

Could a faulty oxygen sensor cause code P0053 on a 2017 GMC Sierra?

Yes, a faulty oxygen sensor with a malfunctioning heater circuit is a common cause of this code.

Will replacing the oxygen sensor clear code P0053 in my 2017 GMC Sierra?

If the oxygen sensor is the root cause, replacing it should resolve the issue and clear the code. However, always verify the repair by testing the system after replacement.