P1198 2017 Chevrolet Silverado Code - Exhaust Gas Temperature Sensor 5 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
- P1198 2017 Chevrolet Silverado indicates Exhaust Gas Temperature Sensor 5 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 P1198 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC P1198 2017 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 P1198 2017 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 P1198 2017 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 P1198 2017 Chevrolet Silverado Code
1. What does the OBDII code P1198 mean on a 2017 Chevrolet Silverado?
P1198 indicates a performance issue with Exhaust Gas Temperature Sensor 5 while the engine is running. It usually points to a sensor fault or an abnormal temperature reading.
2. What are the common symptoms of P1198 in a 2017 Chevrolet Silverado?
Common symptoms include an illuminated check engine light, poor fuel efficiency, reduced engine performance, and, in some cases, the engine going into limp mode.
3. What causes the P1198 code to appear on a 2017 Chevrolet Silverado?
The code can be triggered by a faulty exhaust gas temperature sensor, wiring or connector issues, excessive soot buildup, or an exhaust leak near the sensor.
4. Can P1198 damage my 2017 Chevrolet Silverado if left unresolved?
Ignoring the issue can lead to improper engine operation, higher emissions, and potential damage to the catalytic converter or other exhaust system components.
5. How do you diagnose the P1198 code on a 2017 Chevrolet Silverado?
A mechanic will use a scan tool to verify the code, inspect the exhaust gas temperature sensor and wiring, and check for exhaust leaks or soot buildup.
6. How can I fix the P1198 code on my 2017 Chevrolet Silverado?
Repairs may include replacing the faulty sensor, cleaning soot buildup, repairing damaged wiring or connectors, or fixing any exhaust leaks.
7. Where is Exhaust Gas Temperature Sensor 5 located on a 2017 Chevrolet Silverado?
Sensor 5 is typically located downstream in the exhaust system, often near the diesel particulate filter (DPF) or catalytic converter.
8. Can I drive my 2017 Chevrolet Silverado with the P1198 code?
While it may still be drivable, it’s not recommended. The issue can lead to reduced performance and potential damage to the exhaust system.
9. How much does it cost to repair a P1198 code on a 2017 Chevrolet Silverado?
Repair costs vary, but replacing the exhaust gas temperature sensor typically ranges from $150 to $300, including parts and labor.
10. Can a P1198 code be caused by a software issue on a 2017 Chevrolet Silverado?
While less common, outdated engine control module (ECM) software can occasionally cause false readings. A software update may be required in some cases.
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