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P1196 2016 GMC Sierra Code - Exhaust Gas Temperature Sensor 3 Performance Engine Running

Quick Answer

The P1196 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates a problem with the Exhaust Gas Temperature (EGT) Sensor 3 performance while the engine is running. Common causes include Faulty EGT Sensor 3, Wiring or connector issues, Exhaust system leaks. 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
P1196 2016 GMC Sierra indicates Exhaust Gas Temperature Sensor 3 Performance Engine Running.
Common causes
Common causes include Faulty EGT Sensor 3, Wiring or connector issues, Exhaust system leaks.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code P1196 2016 GMC Sierra Description

The P1196 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates a problem with the Exhaust Gas Temperature (EGT) Sensor 3 performance while the engine is running. This sensor is responsible for monitoring the temperature of the exhaust gases leaving the engine. The EGT sensor provides crucial data to the engine control module (ECM) to ensure optimal performance and emissions control. When the EGT Sensor 3 is not performing as expected, it can lead to a variety of issues that affect the vehicle's performance, fuel efficiency, and emissions output.

OBDII Code P1196 2016 GMC Sierra - Exhaust Gas Temperature Sensor 3 Performance Engine Running
P1196 2016 GMC Sierra Code - Exhaust Gas Temperature Sensor 3 Performance Engine Running

Common Causes of P1196 2016 GMC Sierra

  1. Faulty EGT Sensor 3
  2. Wiring or connector issues
  3. Exhaust system leaks
  4. ECM software issues
  5. Exhaust system blockages

Symptoms of P1196 2016 GMC Sierra

  1. Check Engine Light illuminated
  2. Decreased fuel efficiency
  3. Rough idling or stalling
  4. Reduced engine performance
  5. Increased emissions output

How to Fix P1196 2016 GMC Sierra

  1. Diagnose the issue by using a scan tool to retrieve the specific DTC and verify the EGT Sensor 3 performance.
  2. Inspect the wiring and connectors associated with the EGT Sensor 3 for any damage or corrosion. Repair or replace as necessary.
  3. Check for exhaust system leaks and repair any leaks found.
  4. Test the EGT Sensor 3 to ensure it is functioning properly. Replace the sensor if it is faulty.
  5. Clear the DTC and reset the ECM to see if the issue has been resolved. Test drive the vehicle to confirm that the symptoms have been eliminated.

Cost to Fix P1196 2016 GMC Sierra

The cost of repairing a P1196 DTC related to the Exhaust Gas Temperature Sensor 3 performance on a 2016 GMC Sierra can vary depending on the specific cause of the issue and the labor rates in your area. Generally, the cost of parts for this repair can range from $100 to $300, while labor costs can range from $100 to $300. Overall, you can expect to pay anywhere from $200 to $600 for this repair. It's important to note that these are rough estimates, and actual costs may vary based on your location and the specific circumstances of your vehicle. Be sure to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate.

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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 P1196 2016 GMC Sierra Code

1. What does the OBDII code P1196 mean on a 2016 GMC Sierra?

P1196 indicates an issue with the performance of Exhaust Gas Temperature (EGT) Sensor 3 while the engine is running. This sensor monitors exhaust temperature to help manage emissions and protect engine components.

2. What are the common symptoms of code P1196 in a 2016 GMC Sierra?

Symptoms may include the check engine light turning on, reduced engine performance, increased emissions, poor fuel efficiency, or the vehicle entering limp mode.

3. What causes the P1196 code to appear on a 2016 GMC Sierra?

Common causes include a faulty Exhaust Gas Temperature Sensor 3, wiring or connector issues, excessive soot buildup, or a malfunctioning engine control module (ECM).

4. Can I drive my 2016 GMC Sierra with a P1196 code?

Driving with a P1196 code is not recommended, as it may lead to increased emissions, damage to the exhaust system, or reduced engine performance.

5. How can I diagnose the P1196 code on a 2016 GMC Sierra?

Start by visually inspecting the wiring and connectors for damage or corrosion. Use a scan tool to monitor EGT Sensor 3 readings and compare them to other sensors in the exhaust system.

6. How do I fix the P1196 code on a 2016 GMC Sierra?

Repairs may include replacing the faulty Exhaust Gas Temperature Sensor 3, repairing damaged wiring, cleaning soot-clogged components, or updating/reprogramming the ECM if necessary.

7. How much does it cost to fix the P1196 code on a 2016 GMC Sierra?

The cost can vary, but replacing the EGT sensor typically ranges from $100 to $300, including parts and labor. Additional repairs, such as wiring fixes or ECM updates, could increase the cost.

8. Can a dirty diesel particulate filter (DPF) trigger the P1196 code?

Yes, a clogged DPF can cause excessive heat buildup, which may lead to incorrect readings from Exhaust Gas Temperature Sensor 3 and trigger the code.

9. How do I prevent the P1196 code on my 2016 GMC Sierra?

Regular maintenance, including cleaning or replacing sensors, ensuring proper DPF operation, and addressing exhaust system issues promptly, can help prevent this code.

10. Will a P1196 code cause my 2016 GMC Sierra to fail an emissions test?

Yes, the P1196 code can cause your vehicle to fail an emissions test due to improper exhaust temperature management and increased emissions output.

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