AutoCodes – Chevrolet – P1197 2016 Chevrolet Silverado

P1197 2016 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 2016 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.

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Code Popularity 254

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 29, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1197 2016 Chevrolet Silverado Description

The exhaust gas temperature sensors are variable resistors that measure the temperature of the exhaust gas. The exhaust temperature sensor 1 is the first exhaust temperature sensor on the exhaust system, the following exhaust temperature sensors are counted upward from the engine outlet to the exhaust system end. The Engine Control Module (ECM) supplies 5 V to the exhaust gas temperature signal circuit and supplies a ground to the low reference circuit. The exhaust gas temperature sensor temperature information is used by the ECM during the exhaust gas particulate filter cleaning process. The Diagnostic Trouble Code (DTC) will be set if the ECM detects that the difference between measured exhaust gas temperature and the estimated exhaust gas temperature is greater than a calibrated amount for greater than 1 s.

OBDII Code P1197 2016 Chevrolet Silverado - Exhaust Gas Temperature Sensor 4 Performance Engine Running - AutoCodes.com — P1197 2016 Chevrolet Silverado Code - Exhaust Gas Temperature Sensor 4 Performance Engine Running

What does this mean?

What are the Possible Causes of the DTC P1197 2016 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 2016 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 2016 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.

Need more information about the P1197 2016 Chevrolet Silverado code?

Need more information on how to fix the P1197 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1197 2016 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1197 2016 Chevrolet Silverado Code

1. What does the OBDII code P1197 mean on a 2016 Chevrolet Silverado?

P1197 indicates an issue with the performance of Exhaust Gas Temperature (EGT) Sensor 4 while the engine is running. It suggests the sensor is not providing readings within expected parameters.

2. What are the symptoms of code P1197 in a 2016 Chevrolet Silverado?

Common symptoms include reduced fuel efficiency, poor engine performance, potential activation of limp mode, and the Check Engine Light turning on.

3. What causes the P1197 code to appear?

Possible causes include a faulty Exhaust Gas Temperature Sensor 4, damaged wiring or connectors, carbon buildup on the sensor, or issues with the exhaust system.

4. Can a bad Exhaust Gas Temperature Sensor 4 damage the engine?

If left unaddressed, a faulty EGT sensor can lead to improper exhaust system performance, which may contribute to engine overheating or damage over time.

5. How do you diagnose the P1197 code on a 2016 Chevrolet Silverado?

A mechanic will use an OBDII scanner to confirm the code, inspect the EGT Sensor 4 for damage, check wiring and connectors, and test the sensor's resistance and response to heat.

6. Can you drive with the P1197 code active?

While the vehicle may still be drivable, continuing to drive with this code active can lead to further damage to the exhaust or engine system. Prompt repair is recommended.

7. How do you fix the P1197 code on a 2016 Chevrolet Silverado?

Repairs may include replacing the EGT Sensor 4, cleaning carbon buildup, repairing damaged wiring, or addressing exhaust leaks or restrictions.

8. How much does it cost to fix the P1197 code?

The cost varies depending on the root cause. Replacing the EGT sensor typically costs between $150 and $300, including parts and labor.

9. Can a software issue cause the P1197 code?

While rare, outdated or corrupted engine control module (ECM) software can occasionally cause false error codes. A software update may be needed in such cases.

10. How can I prevent the P1197 code from recurring?

Regular maintenance of the exhaust system, timely sensor replacement, and ensuring clean fuel and air delivery can help prevent this issue.