P1197 2015 Chevrolet Silverado 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 2015 Chevrolet Silverado 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 2015 Chevrolet Silverado Description
What are the Possible Causes of the DTC P1197 2015 Chevrolet Silverado?
- 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 2015 Chevrolet Silverado?
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 2015 Chevrolet Silverado 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 2015 Chevrolet Silverado Code
1. What does the OBDII code P1197 mean on a 2015 Chevrolet Silverado?
P1197 indicates a performance issue with Exhaust Gas Temperature Sensor 4 while the engine is running, often related to its signal being out of the expected range.
2. What are the symptoms of code P1197 on a 2015 Chevrolet Silverado?
Common symptoms include the check engine light illuminating, reduced engine performance, poor fuel efficiency, and potential issues with the exhaust aftertreatment system.
3. What causes code P1197 on a 2015 Chevrolet Silverado?
Typical causes include a faulty Exhaust Gas Temperature (EGT) Sensor 4, damaged wiring or connectors, excessive soot buildup on the sensor, or an issue with the exhaust system.
4. Can I drive my 2015 Chevrolet Silverado with code P1197?
Driving with this code is not recommended as it may lead to further damage to the exhaust system or reduced engine efficiency.
5. How do I diagnose code P1197 on a 2015 Chevrolet Silverado?
Start by checking the EGT Sensor 4 and its wiring for damage or disconnection. Use a scan tool to monitor the sensor's readings and compare them to specifications.
6. How do I fix code P1197 on a 2015 Chevrolet Silverado?
Repairs may include replacing the faulty EGT Sensor 4, cleaning soot buildup, repairing damaged wiring, or addressing any exhaust system issues.
7. How much does it cost to fix the P1197 code on a 2015 Chevrolet Silverado?
Depending on the root cause, repairs can range from $150 to $400, typically covering diagnostics, sensor replacement, or wiring repairs.
8. What tools are needed to fix code P1197 on a 2015 Chevrolet Silverado?
You may need a scan tool for diagnostics, a multimeter to check wiring, and basic hand tools to replace the sensor.
9. Can a dirty exhaust system cause code P1197?
Yes, excessive soot buildup or blockages in the exhaust system can cause the EGT sensor to read incorrectly and trigger this code.
10. Do I need to reset the check engine light after fixing code P1197?
Yes, after completing repairs, clear the code with a scan tool and verify that it does not return during a test drive.
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