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P1197 2016 GMC Sierra Code - Exhaust Gas Temperature Sensor 4 Performance Engine Running

Quick Answer

The P1197 code on a 2016 GMC Sierra indicates a problem with the Exhaust Gas Temperature Sensor 4 performance while the engine is running. Common causes include Faulty Exhaust Gas Temperature Sensor 4, Wiring issues or a poor connection, ECM malfunction. 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
P1197 2016 GMC Sierra indicates Exhaust Gas Temperature Sensor 4 Performance Engine Running.
Common causes
Common causes include Faulty Exhaust Gas Temperature Sensor 4, Wiring issues or a poor connection, ECM malfunction.
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 15, 2024
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Code P1197 2016 GMC Sierra Description

The P1197 code on a 2016 GMC Sierra indicates a problem with the Exhaust Gas Temperature Sensor 4 performance while the engine is running. This sensor is responsible for monitoring the exhaust gas temperature and providing feedback to the engine control module (ECM) to ensure optimal performance and emissions control. When this sensor is not functioning properly, it can lead to a variety of issues that can affect the vehicle's performance and efficiency.

OBDII Code P1197 2016 GMC Sierra - Exhaust Gas Temperature Sensor 4 Performance Engine Running
P1197 2016 GMC Sierra Code - Exhaust Gas Temperature Sensor 4 Performance Engine Running

Common Causes of P1197 2016 GMC Sierra

  1. Faulty Exhaust Gas Temperature Sensor 4
  2. Wiring issues or a poor connection
  3. ECM malfunction
  4. Exhaust system leaks or damage
  5. Exhaust gas recirculation (EGR) system problems

Symptoms of P1197 2016 GMC Sierra

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

How to Fix P1197 2016 GMC Sierra

  1. Begin by using a diagnostic scanner to retrieve the trouble code and confirm the issue with the Exhaust Gas Temperature Sensor 4.
  2. Inspect the sensor and its wiring for any visible damage or corrosion. Replace the sensor if necessary.
  3. Check the connections to the sensor and ensure they are secure and free of debris.
  4. Clear the trouble code from the ECM and test drive the vehicle to ensure the issue has been resolved.
  5. If the code persists, further diagnosis may be needed to identify any underlying issues with the ECM or exhaust system components.

Cost to Fix P1197 2016 GMC Sierra

The typical repair costs for addressing a P1197 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. It's important to note that diagnostic time and labor rates at auto repair shops can vary, with rates typically ranging between $80 and $150 per hour. Rates may be higher at dealerships or in metropolitan areas, while independent shops may offer lower prices. For a more accurate estimate, it is recommended to inquire with local auto repair shops.

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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 P1197 2016 GMC Sierra Code

1. What are the common symptoms of OBDII code P1197 in a 2016 GMC Sierra related to Exhaust Gas Temperature Sensor 4 Performance Engine Running?

- Common symptoms may include decreased engine performance, increased fuel consumption, and potentially rough idling.

2. What are the possible causes of OBDII code P1197 in a 2016 GMC Sierra?

- The code P1197 can be triggered by issues such as a faulty exhaust gas temperature sensor, wiring problems, or issues with the sensor's connection to the engine control module.

3. How can I diagnose the root cause of OBDII code P1197 in my 2016 GMC Sierra?

- Diagnosing the issue may involve checking the exhaust gas temperature sensor's readings, inspecting the wiring for damage, and verifying the sensor's connection to the engine control module.

4. Can I continue driving my 2016 GMC Sierra with OBDII code P1197 present?

- It's advisable to address the issue promptly to prevent potential damage to the engine or emissions system. Continued driving with the code present may lead to further complications.

5. How can I repair OBDII code P1197 in my 2016 GMC Sierra related to Exhaust Gas Temperature Sensor 4 Performance Engine Running?

- Repairing this code may involve replacing the faulty exhaust gas temperature sensor, repairing any damaged wiring, or ensuring a secure connection between the sensor and the engine control module.

6. Are there any DIY tips for addressing OBDII code P1197 in a 2016 GMC Sierra?

- While some basic diagnostics can be done by DIY enthusiasts, it's recommended to seek professional help for accurate diagnosis and repair of the issue to ensure proper functioning of the sensor.

7. Can a faulty exhaust gas temperature sensor impact the overall performance of my 2016 GMC Sierra?

- Yes, a faulty exhaust gas temperature sensor can affect the engine's performance, fuel efficiency, and emissions output, making it essential to address the issue promptly.

8. Is it necessary to reset the OBDII system after repairing code P1197 in a 2016 GMC Sierra?

- Yes, resetting the OBDII system after repairing the issue will clear the fault code and allow you to monitor if the problem has been successfully addressed.

9. How can I prevent OBDII code P1197 from reoccurring in my 2016 GMC Sierra?

- Regular maintenance, including checking the exhaust gas temperature sensor's condition, ensuring proper wiring connections, and addressing any issues promptly, can help prevent the code from reoccurring.

10. Does OBDII code P1197 in a 2016 GMC Sierra require immediate attention?

- Yes, addressing OBDII code P1197 promptly is recommended to prevent potential engine or emissions system damage and ensure the vehicle operates efficiently.

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