AutoCodes – GMC – P1197 2016 GMC Sierra

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

Quick Answer

The exhaust gas temperature sensors are variable resistors that measure the temperature of the exhaust gas. Common causes include Faulty Exhaust Gas Temperature Sensor, Exhaust Gas Temperature Sensor harness is open or shorted, Exhaust Gas Temperature Sensor circuit poor electrical connection. 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, Exhaust Gas Temperature Sensor harness is open or shorted, Exhaust Gas Temperature Sensor circuit poor electrical connection.
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.

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Code Popularity 172

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 29, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1197 2016 GMC Sierra Description

The exhaust gas temperature sensors are variable resistors that measure the temperature of the exhaust gas. The exhaust temperature sensor 1 is the first exhaust temperature sensor on 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 be set if the ECM detects that the difference between measured exhaust gas temperature and the estimated exhaust gas temperature is greater than a calibrated amount for greater than 1 s.

OBDII Code P1197 2016 GMC Sierra - Exhaust Gas Temperature Sensor 4 Performance Engine Running - AutoCodes.com — P1197 2016 GMC Sierra Code - Exhaust Gas Temperature Sensor 4 Performance Engine Running

What does this mean?

What are the Possible Causes of the DTC P1197 2016 GMC Sierra?

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

How to Fix the DTC P1197 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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1197 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 P1197 2016 GMC Sierra code?

Need more information on how to fix the P1197 2016 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

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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.