P1196 2018 GMC Sierra Code - Exhaust Gas Temperature Sensor 3 Performance Engine Running
Quick Answer
The P1196 diagnostic trouble code (DTC) for a 2018 GMC Sierra specifically refers to the Exhaust Gas Temperature Sensor 3 Performance Engine Running. Common causes include Faulty exhaust gas temperature sensor, Wiring issues or electrical connections, Sensor circuit 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
- P1196 2018 GMC Sierra indicates Exhaust Gas Temperature Sensor 3 Performance Engine Running.
- Common causes
- Common causes include Faulty exhaust gas temperature sensor, Wiring issues or electrical connections, Sensor circuit 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.
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Code P1196 2018 GMC Sierra Description
The P1196 diagnostic trouble code (DTC) for a 2018 GMC Sierra specifically refers to the Exhaust Gas Temperature Sensor 3 Performance Engine Running. This code indicates that there is an issue with the performance of the exhaust gas temperature sensor 3 while the engine is running. The exhaust gas temperature sensor is a crucial component of the vehicle's emissions system, responsible for monitoring the temperature of the exhaust gases and ensuring that the engine is operating within optimal parameters.
Common Causes of P1196 2018 GMC Sierra
- Faulty exhaust gas temperature sensor
- Wiring issues or electrical connections
- Sensor circuit malfunction
- Exhaust system leaks
- Engine overheating
Symptoms of P1196 2018 GMC Sierra
- Check engine light illuminated on the dashboard
- Decreased fuel efficiency
- Rough idling or misfiring engine
- Failed emissions test
- Reduced engine performance
How to Fix P1196 2018 GMC Sierra
- Diagnose the issue using a scan tool to confirm the P1196 code and identify the specific problem with the exhaust gas temperature sensor 3.
- Inspect the sensor and its wiring for any signs of damage or corrosion. Replace the sensor if necessary.
- Test the sensor circuit to ensure proper functionality and repair any wiring issues.
- Clear the DTC and reset the vehicle's computer to see if the code returns.
- Perform a test drive to verify that the issue has been resolved and that the vehicle is operating correctly.
Cost to Fix P1196 2018 GMC Sierra
The cost of repairing a P1196 code on a 2018 GMC Sierra can vary depending on the specific cause of the issue and the labor rates in your area. On average, the parts for an exhaust gas temperature sensor replacement can range from $100 to $200, while labor costs may range from $80 to $150 per hour. Overall, the total repair cost could be between $200 and $500, including parts and labor. It is advisable to consult with a professional mechanic to get an accurate estimate based on your vehicle's specific needs.
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Frequently Asked Questions about P1196 2018 GMC Sierra Code
1. What does the OBDII code P1196 mean on a 2018 GMC Sierra?
P1196 indicates that the Exhaust Gas Temperature (EGT) Sensor 3 is not performing as expected while the engine is running. This sensor monitors exhaust gas temperature to ensure proper operation of the emissions system.
2. What are the symptoms of code P1196 in a 2018 GMC Sierra?
Common symptoms include an illuminated check engine light, reduced fuel efficiency, poor engine performance, or the vehicle entering limp mode.
3. What causes the P1196 code to appear in a 2018 GMC Sierra?
Possible causes include a faulty EGT Sensor 3, wiring or connector issues, excessive soot or carbon buildup on the sensor, or a malfunction in the exhaust or emissions system.
4. How do I diagnose the P1196 code in my GMC Sierra?
Start by using an OBDII scanner to confirm the code, then inspect the wiring and connectors for damage. Check the EGT sensor for proper function and look for signs of soot buildup or damage to the exhaust system.
5. Can a faulty EGT Sensor 3 cause engine damage in a 2018 GMC Sierra?
If left unresolved, a faulty EGT sensor could lead to improper exhaust gas temperatures, potentially causing damage to the catalytic converter or other exhaust components.
6. How can I fix the P1196 code on my 2018 GMC Sierra?
Repair or replace the EGT Sensor 3 if it is faulty, clean off any soot buildup, and repair any damaged wiring or connectors. If necessary, update the vehicle’s ECU software.
7. Is it safe to drive my 2018 GMC Sierra with the P1196 code?
It’s not recommended to drive for extended periods with the P1196 code, as it may lead to reduced performance, increased emissions, or damage to the exhaust system.
8. How much does it cost to repair the P1196 code on a 2018 GMC Sierra?
The repair cost can vary, but replacing the EGT sensor typically costs between $150 and $300, depending on labor rates and parts pricing. Additional repairs may increase costs.
9. Can a P1196 code clear itself on a 2018 GMC Sierra?
The code may clear temporarily if the issue is intermittent, but it will likely return if the underlying problem is not resolved.
10. What tools do I need to fix the P1196 code on my GMC Sierra?
You’ll need an OBDII scanner, basic hand tools, and possibly a multimeter to diagnose and repair wiring issues. A service manual can also be helpful.
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