P1197 2014 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 2014 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.
Code P1197 2014 GMC Sierra Description
What are the Possible Causes of the DTC P1197 2014 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 2014 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 2014 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.
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Frequently Asked Questions about P1197 2014 GMC Sierra Code
1. What does the OBDII code P1197 mean on a 2014 GMC Sierra?
P1197 indicates a performance issue with Exhaust Gas Temperature (EGT) Sensor 4 while the engine is running, typically related to sensor malfunction or wiring problems.
2. What are the common symptoms of code P1197 on a GMC Sierra?
Symptoms may include reduced engine power, poor fuel efficiency, increased emissions, or a check engine light.
3. What causes the P1197 code on a 2014 GMC Sierra?
Common causes include a faulty EGT Sensor 4, damaged wiring or connectors, soot buildup on the sensor, or issues with the exhaust system.
4. Can driving with code P1197 damage my vehicle?
Prolonged driving with this code may harm the exhaust system or catalytic converter and lead to reduced engine performance.
5. How is the P1197 code diagnosed?
Technicians typically use an OBDII scanner to confirm the code and inspect the EGT Sensor 4, wiring, connectors, and exhaust system for damage or soot buildup.
6. How do you fix the P1197 code on a 2014 GMC Sierra?
Repairs may include replacing the EGT Sensor 4, cleaning soot from the sensor, repairing damaged wiring or connectors, or addressing exhaust system issues.
7. How much does it cost to repair the P1197 code?
The repair cost typically ranges from $150 to $400, depending on whether the sensor needs replacement or wiring repairs are required.
8. Can a dirty exhaust system cause the P1197 code?
Yes, excessive soot or debris in the exhaust system can affect the EGT sensor’s performance and trigger this code.
9. How do I prevent the P1197 code from occurring?
Regularly maintain the exhaust system, including cleaning sensors and inspecting wiring for wear, and use high-quality fuel to minimize soot buildup.
10. Is it safe to clear the P1197 code without repairs?
Clearing the code without addressing the underlying issue may cause the problem to recur and lead to further engine or exhaust damage.
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