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P2032 2016 GMC Sierra Code - Exhaust Gas Temperature Sensor 2 Circuit Low Voltage

Quick Answer

The P2032 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates a problem with the Exhaust Gas Temperature (EGT) Sensor 2 Circuit, specifically a low voltage condition. Common causes include Faulty EGT sensor, Wiring or connector issues in the EGT sensor circuit, Exhaust leaks near the EGT sensor. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
P2032 2016 GMC Sierra indicates Exhaust Gas Temperature Sensor 2 Circuit Low Voltage.
Common causes
Common causes include Faulty EGT sensor, Wiring or connector issues in the EGT sensor circuit, Exhaust leaks near the EGT sensor.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
What is this?
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code P2032 2016 GMC Sierra Description

The P2032 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates a problem with the Exhaust Gas Temperature (EGT) Sensor 2 Circuit, specifically a low voltage condition. The EGT sensor is responsible for monitoring the temperature of the exhaust gases leaving the engine. This information is crucial for the engine control module (ECM) to adjust fuel delivery and optimize engine performance.

OBDII Code P2032 2016 GMC Sierra - Exhaust Gas Temperature Sensor 2 Circuit Low Voltage
P2032 2016 GMC Sierra Code - Exhaust Gas Temperature Sensor 2 Circuit Low Voltage

Common Causes of P2032 2016 GMC Sierra

  1. Faulty EGT sensor.
  2. Wiring or connector issues in the EGT sensor circuit.
  3. Exhaust leaks near the EGT sensor.
  4. ECM software or hardware issues.
  5. Exhaust system malfunctions.

Symptoms of P2032 2016 GMC Sierra

  1. Check Engine Light illuminated on the dashboard.
  2. Reduced engine power or performance.
  3. Increased fuel consumption.
  4. Rough idling or misfiring.
  5. Failed emissions test due to high emissions levels.

How to Fix P2032 2016 GMC Sierra

  1. Begin by connecting a diagnostic scan tool to the vehicle's onboard diagnostic system to retrieve the specific DTC (P2032) and confirm the issue with the EGT Sensor 2 Circuit.
  2. Inspect the wiring and connectors associated with the EGT sensor for any damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Test the EGT sensor itself using a multimeter to check for proper resistance and voltage output. Replace the sensor if it fails the test.
  4. Clear the DTC from the ECM memory using the diagnostic scan tool after completing the repair.
  5. Perform a test drive to ensure the issue has been resolved and the Check Engine Light does not reappear.

Cost to Fix P2032 2016 GMC Sierra

The typical repair costs for addressing a P2032 code on a 2016 GMC Sierra can range from $150 to $400, depending on the specific cause of the issue and the cost of parts and labor. This estimate includes the cost of a new EGT sensor, wiring repairs, and diagnostic labor. It's important to note that actual repair costs can vary based on the location of the repair shop, the vehicle's make and model, and any additional repairs or parts needed. It is recommended to consult with a qualified mechanic or service center for a more accurate cost estimate based on the specific circumstances of your vehicle.

What does this mean?

Tech Notes for P2032 2016 GMC Sierra

After starting the engine, the exhaust gas temperature sensor temperature should rise steadily, then stabilize after the engine reaches operating temperature. Exhaust gas temperature sensors may fail intermittently while operating under extreme temperatures. Review the Freeze Frame/Failure Records to verify the failure criteria.

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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 P2032 2016 GMC Sierra Code

1. What are the common symptoms of OBDII code P2032 in a 2016 GMC Sierra related to the Exhaust Gas Temperature Sensor 2 Circuit Low Voltage?

The common symptoms include poor engine performance, decreased fuel efficiency, and the illumination of the Check Engine Light.

2. What are the possible causes of the Exhaust Gas Temperature Sensor 2 Circuit Low Voltage code (P2032) in a 2016 GMC Sierra?

Possible causes include a faulty exhaust gas temperature sensor, damaged wiring or connectors in the sensor circuit, or issues with the engine control module.

3. How serious is the P2032 OBDII code in a 2016 GMC Sierra?

While the vehicle may still be operable with this code present, it is important to address it promptly to prevent potential damage to the engine or emissions system.

4. Can driving with the P2032 code in a 2016 GMC Sierra cause further damage?

Continued driving with this code may lead to increased emissions, reduced engine efficiency, and potential damage to the catalytic converter.

5. What is the typical repair process for resolving the Exhaust Gas Temperature Sensor 2 Circuit Low Voltage code on a 2016 GMC Sierra?

The repair process usually involves diagnosing the specific cause of the code, which may include replacing the faulty sensor, repairing damaged wiring, or reprogramming the engine control module.

6. Is it possible to reset the Check Engine Light after fixing the P2032 code in a 2016 GMC Sierra?

Yes, once the underlying issue triggering the code has been resolved, the Check Engine Light can be reset using an OBDII scanner or by disconnecting the vehicle's battery for a short period.

7. Are there any DIY tips for troubleshooting the P2032 code in a 2016 GMC Sierra?

While basic troubleshooting such as checking for loose connections or damaged wires can be done by DIY enthusiasts, diagnosing and repairing the exact cause of the code may require professional tools and expertise.

8. How can I prevent the recurrence of the P2032 code in my 2016 GMC Sierra?

Regular maintenance, including inspecting and replacing sensors as needed, keeping up with engine tune-ups, and addressing any warning lights promptly, can help prevent the recurrence of this code.

9. Does the Exhaust Gas Temperature Sensor 2 Circuit Low Voltage code affect the vehicle's emissions?

Yes, the malfunction indicated by the P2032 code can impact the vehicle's emissions, potentially leading to increased pollution levels if not addressed promptly.

10. Is it safe to continue driving my 2016 GMC Sierra with the P2032 code present?

While the vehicle may still be operational, it is recommended to address the underlying issue causing the code to prevent any further damage or issues with engine performance and emissions.

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