P1197 2018 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 2018 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 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC P1197 2018 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 2018 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 2018 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 2018 Chevrolet Silverado Code
1. What does the OBDII code P1197 mean on a 2018 Chevrolet Silverado?
P1197 indicates an issue with the performance of Exhaust Gas Temperature Sensor 4 while the engine is running, suggesting the sensor may not be functioning within its expected range.
2. What are the symptoms of code P1197 on a 2018 Chevrolet Silverado?
Common symptoms include a check engine light, potential loss of engine performance, increased emissions, and possibly rough idling or reduced fuel efficiency.
3. What causes the P1197 code to appear on a 2018 Chevrolet Silverado?
Potential causes include a faulty Exhaust Gas Temperature (EGT) Sensor 4, damaged wiring or connectors, excessive soot buildup, or issues with the vehicle’s exhaust system.
4. Can I drive my 2018 Chevrolet Silverado with the P1197 code?
Driving with the P1197 code is not recommended, as it could lead to increased emissions or damage to the exhaust system and other components if left unaddressed.
5. How do I troubleshoot the P1197 code on a 2018 Chevrolet Silverado?
Start by inspecting the Exhaust Gas Temperature Sensor 4 and its wiring for damage or corrosion. Use a scan tool to monitor sensor readings and compare them to manufacturer specifications.
6. How do I fix the P1197 code on a 2018 Chevrolet Silverado?
Repairs may involve replacing the faulty Exhaust Gas Temperature Sensor 4, repairing damaged wiring or connectors, or cleaning soot buildup in the exhaust system.
7. How much does it cost to fix the P1197 code on a 2018 Chevrolet Silverado?
The cost can vary. Replacing an EGT sensor typically costs between $100 and $300, including parts and labor, but additional repairs may increase the total.
8. Could a bad catalytic converter cause the P1197 code?
While rare, a clogged or damaged catalytic converter can potentially affect exhaust gas temperatures, indirectly contributing to the P1197 code.
9. Do I need special tools to diagnose the P1197 code on my Silverado?
Yes, a diagnostic scan tool or OBDII scanner is needed to read the code and monitor sensor data for accurate diagnosis.
10. Can a software update fix the P1197 code on a 2018 Chevrolet Silverado?
In some cases, a software update from the dealer may address sensor calibration issues, but this depends on the specific circumstances of the code.
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