AutoCodesGMC – P2032 2016 GMC Sierra

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

Quick Answer

The Exhaust Gas Temperature sensors (EGTS) are variable resistors that measure the temperature of the exhaust gas. Common causes include Faulty Exhaust Gas Temperature Sensor (EGTS) 2, Exhaust Gas Temperature Sensor 2 harness is open or shorted, Exhaust Gas Temperature Sensor 2 circuit poor electrical connection. 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 Exhaust Gas Temperature Sensor (EGTS) 2, Exhaust Gas Temperature Sensor 2 harness is open or shorted, Exhaust Gas Temperature Sensor 2 circuit poor electrical connection.
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.
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Code Popularity 373
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 03, 2022
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Code P2032 2016 GMC Sierra Description

The Exhaust Gas Temperature sensors (EGTS) are variable resistors that measure the temperature of the exhaust gas. Exhaust temperature sensor 1 is the first exhaust temperature sensor in the exhaust system, the following exhaust temperature sensors are counted upward from the engine outlet to the exhaust system end. The Engine Control Module (ECM) supplies 5 V to the exhaust gas temperature signal circuit and supplies a ground to the low reference circuit. The exhaust gas temperature sensor temperature information is used by the ECM during the exhaust gas particulate filter cleaning process. The Diagnostic Trouble Code (DTC) will ve set when the ECM detects that the exhaust gas temperature sensor is less than 158 Ω for greater than 2 s.
OBDII Code P2032 2016 GMC Sierra - Exhaust Gas Temperature Sensor 2 Circuit Low Voltage - AutoCodes.com
P2032 2016 GMC Sierra Code - Exhaust Gas Temperature Sensor 2 Circuit Low Voltage

What are the Possible Causes of the DTC P2032 2016 GMC Sierra?

  • Faulty Exhaust Gas Temperature Sensor (EGTS) 2
  • Exhaust Gas Temperature Sensor 2 harness is open or shorted
  • Exhaust Gas Temperature Sensor 2 circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P2032 2016 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2032 2016 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.

Need more information about the P2032 2016 GMC Sierra code?

Need more information on how to fix the P2032 2016 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2032 2016 GMC Sierra code diagnosed by a professional: Find a repair shop in your area

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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