AutoCodes – GMC – P1196 GMC

P1196 GMC Code - Exhaust Gas Temperature Sensor 3 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
P1196 GMC indicates Exhaust Gas Temperature Sensor 3 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 1,279
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 29, 2024
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Code P1196 GMC 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 P1196 GMC - Exhaust Gas Temperature Sensor 3 Performance Engine Running - AutoCodes.com
P1196 GMC Code - Exhaust Gas Temperature Sensor 3 Performance Engine Running

What are the Possible Causes of the DTC P1196 GMC?

  • 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 P1196 GMC?

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 P1196 GMC 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 P1196 GMC code?

Need more information on how to fix the P1196 GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1196 GMC code diagnosed by a professional: Find a repair shop in your area

Information for Specific GMC Models

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 GMC Code

1. What are the common symptoms of OBDII code P1196 GMC?

- Common symptoms of this code may include reduced engine performance, increased fuel consumption, rough idling, and in some cases, the illumination of the Check Engine light.

2. What can cause the OBDII code P1196 GMC to trigger?

- The P1196 code is typically triggered when the exhaust gas temperature sensor 3 detects a performance issue while the engine is running. This can be caused by sensor malfunction, wiring issues, or problems with the exhaust system.

3. How serious is the OBDII code P1196 GMC?

- While the P1196 code may not always cause immediate harm to the vehicle, it is important to address it promptly to prevent potential damage to the engine or emissions system in the long run.

4. Can I continue driving with the OBDII code P1196 GMC present?

- It is not recommended to continue driving with the P1196 code present, as it can lead to decreased engine efficiency and potential long-term damage if left unaddressed.

5. How can I diagnose the OBDII code P1196 GMC?

- Diagnosing the P1196 code usually involves using a diagnostic scanner to read the code, checking the exhaust gas temperature sensor 3 for proper operation, and inspecting the wiring and connections for any issues.

6. What are some possible repair tips for fixing the OBDII code P1196 GMC?

- Repair tips may include replacing the faulty exhaust gas temperature sensor 3, repairing any damaged wiring or connections, and ensuring that the exhaust system is functioning properly.

7. Can I reset the Check Engine light after addressing the OBDII code P1196 GMC?

- Yes, the Check Engine light can typically be reset using an OBDII scanner after the underlying issue causing the P1196 code has been resolved.

8. How much does it cost to repair the OBDII code P1196 GMC?

- The cost of repairing the P1196 code can vary depending on the extent of the issue and the specific repairs needed. It is recommended to consult a professional mechanic for an accurate estimate.

9. Are there any preventive measures to avoid the OBDII code P1196 GMC in the future?

- To prevent the recurrence of the P1196 code, regular maintenance and inspection of the exhaust system, sensors, and wiring are recommended. Following the manufacturer's recommended service schedule can also help prevent such issues.

10. Can a DIY enthusiast fix the OBDII code P1196 GMC at home?

- While some experienced DIY enthusiasts may be able to address the P1196 code at home, it is recommended to seek professional assistance, especially when dealing with complex engine sensor issues to ensure proper diagnosis and repair.

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