AutoCodes – Chevrolet – P118E 2016 Chevrolet Silverado

P118E 2016 Chevrolet Silverado Code - Exhaust Gas Temperature Sensor 1 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: P118E 2016 Chevrolet Silverado indicates Exhaust Gas Temperature Sensor 1 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 191

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 P118E 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 P118E 2016 Chevrolet Silverado - Exhaust Gas Temperature Sensor 1 Performance Engine Running - AutoCodes.com — P118E 2016 Chevrolet Silverado Code - Exhaust Gas Temperature Sensor 1 Performance Engine Running

What does this mean?

What are the Possible Causes of the DTC P118E 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 P118E 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 P118E 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 P118E 2016 Chevrolet Silverado code?

Need more information on how to fix the P118E 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 P118E 2016 Chevrolet Silverado Code

1. What does the OBDII code P118E mean on a 2016 Chevrolet Silverado?

P118E indicates an issue with the performance of Exhaust Gas Temperature Sensor 1 when the engine is running, suggesting the sensor is not functioning within its expected parameters.

2. What are the symptoms of P118E on a 2016 Chevrolet Silverado?

Common symptoms include an illuminated check engine light, reduced engine performance, poor fuel efficiency, or erratic exhaust temperature readings.

3. What causes the P118E code in a 2016 Chevrolet Silverado?

Possible causes include a faulty exhaust gas temperature sensor, wiring issues such as damaged or corroded connections, a malfunctioning ECM, or excessive soot buildup in the exhaust system.

4. Can I drive my 2016 Chevrolet Silverado with the P118E code?

While driving with this code may be possible, it is not recommended as it can lead to reduced engine efficiency and potential damage to the exhaust system.

5. How is P118E diagnosed in a 2016 Chevrolet Silverado?

Technicians typically use an OBDII scanner to confirm the code, inspect the sensor and wiring for damage, and test the functionality of the exhaust gas temperature sensor.

6. How do you fix the P118E code on a 2016 Chevrolet Silverado?

Repairs may include replacing the faulty exhaust gas temperature sensor, repairing or replacing damaged wiring, cleaning the exhaust system, or updating the ECM software.

7. How much does it cost to repair the P118E code on a 2016 Chevrolet Silverado?

Repair costs can range from $100 to $300 depending on whether the sensor needs replacement or if there are wiring issues or other related repairs.

8. Can a dirty exhaust system cause the P118E code?

Yes, excessive soot or debris buildup in the exhaust system can interfere with the sensorâ€™s readings and trigger the P118E code.

9. Do I need to replace the ECM if I get the P118E code on a 2016 Chevrolet Silverado?

Replacing the ECM is rarely necessary; the issue is usually related to the sensor or wiring. However, the ECM may require reprogramming or updates in some cases.

10. How can I prevent the P118E code from recurring on my 2016 Chevrolet Silverado?

Regular maintenance of the exhaust system, timely replacement of faulty sensors, and ensuring proper wiring connections can help prevent this code from recurring.