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P2032 2014 GMC Sierra Code - Exhaust Gas Temperature Sensor 2 Circuit Low Voltage

Quick Answer

The P2032 diagnostic trouble code (DTC) for a 2014 GMC Sierra refers to the Exhaust Gas Temperature Sensor 2 Circuit Low Voltage. Common causes include Faulty exhaust gas temperature sensor 2, Wiring or connector issues in the sensor circuit, Corrosion or damage to the 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 2014 GMC Sierra indicates Exhaust Gas Temperature Sensor 2 Circuit Low Voltage.
Common causes
Common causes include Faulty exhaust gas temperature sensor 2, Wiring or connector issues in the sensor circuit, Corrosion or damage to the 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 2014 GMC Sierra Description

The P2032 diagnostic trouble code (DTC) for a 2014 GMC Sierra refers to the Exhaust Gas Temperature Sensor 2 Circuit Low Voltage. This code indicates that the exhaust gas temperature sensor 2 is detecting a lower voltage than expected, which can lead to various issues with the vehicle's performance and emissions. The exhaust gas temperature sensor is a crucial component in modern vehicles, as it helps monitor the temperature of the exhaust gases leaving the engine. This information is essential for the engine control module (ECM) to adjust fuel delivery and optimize engine performance.

OBDII Code P2032 2014 GMC Sierra - Exhaust Gas Temperature Sensor 2 Circuit Low Voltage
P2032 2014 GMC Sierra Code - Exhaust Gas Temperature Sensor 2 Circuit Low Voltage

Common Causes of P2032 2014 GMC Sierra

  1. Faulty exhaust gas temperature sensor 2.
  2. Wiring or connector issues in the sensor circuit.
  3. Corrosion or damage to the sensor.
  4. ECM software or hardware issues.
  5. Exhaust system leaks or damage.

Symptoms of P2032 2014 GMC Sierra

  1. Check engine light illuminated on the dashboard.
  2. Decreased fuel efficiency.
  3. Engine misfires or rough idling.
  4. Reduced engine performance.
  5. Increased emissions.

How to Fix P2032 2014 GMC Sierra

  1. Begin by diagnosing the root cause of the issue using a diagnostic scanner to confirm the P2032 code.
  2. Inspect the exhaust gas temperature sensor 2 and its wiring for any visible damage or corrosion.
  3. Test the sensor's voltage output using a multimeter to determine if it is functioning correctly.
  4. Replace the exhaust gas temperature sensor 2 if it is found to be faulty, ensuring proper installation and connection.
  5. Clear the DTC and reset the ECM to ensure the code does not reappear after the repair.

Cost to Fix P2032 2014 GMC Sierra

The typical repair costs for addressing the P2032 code on a 2014 GMC Sierra can range from $150 to $300, including parts and labor. However, it is essential to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Most auto repair shops charge between $80 and $150 per hour for labor, with rates potentially higher in metropolitan areas or at dealerships, while independent shops may offer lower rates. It is advisable to check local rates for a more accurate estimate before proceeding with the repair.

What does this mean?

Tech Notes for P2032 2014 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.

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