Engine-CodesChevrolet – P0119 2017 Chevrolet Silverado

P0119 2017 Chevrolet Silverado Code - Engine Coolant Temperature Circuit Intermittent

Quick Answer

The P0119 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates an issue with the Engine Coolant Temperature (ECT) Circuit Intermittent. Common causes include Faulty Engine Coolant Temperature (ECT) sensor, Damaged wiring or connectors in the ECT circuit, Corrosion or poor connections in the ECT circuit. 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
P0119 2017 Chevrolet Silverado indicates Engine Coolant Temperature Circuit Intermittent.
Common causes
Common causes include Faulty Engine Coolant Temperature (ECT) sensor, Damaged wiring or connectors in the ECT circuit, Corrosion or poor connections in the ECT circuit.
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.
Table of contents Created and updated by William Orellana on Sep 29, 2024
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Code P0119 2017 Chevrolet Silverado Description

The P0119 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates an issue with the Engine Coolant Temperature (ECT) Circuit Intermittent. This code is triggered when the Engine Control Module (ECM) detects a fluctuation or interruption in the signal from the ECT sensor. The ECT sensor is responsible for monitoring the temperature of the engine coolant, which is crucial for the ECM to adjust fuel delivery and ignition timing to optimize engine performance and fuel efficiency.

OBDII Code P0119 2017 Chevrolet Silverado - Engine Coolant Temperature Circuit Intermittent
P0119 2017 Chevrolet Silverado Code - Engine Coolant Temperature Circuit Intermittent

Common Causes of P0119 2017 Chevrolet Silverado

  1. Faulty Engine Coolant Temperature (ECT) sensor
  2. Damaged wiring or connectors in the ECT circuit
  3. Corrosion or poor connections in the ECT circuit
  4. Malfunctioning Engine Control Module (ECM)
  5. Coolant leak affecting ECT sensor readings

Symptoms of P0119 2017 Chevrolet Silverado

  1. Check Engine Light illuminated on the dashboard
  2. Inaccurate or fluctuating temperature gauge readings
  3. Poor fuel economy
  4. Rough idling or stalling
  5. Difficulty starting the engine

How to Fix P0119 2017 Chevrolet Silverado

  1. Begin by conducting a visual inspection of the ECT sensor, wiring, and connectors for any visible damage or corrosion.
  2. Use a multimeter to test the ECT sensor's resistance and voltage output to determine if it is functioning correctly.
  3. Inspect the wiring harness for any breaks or shorts and repair or replace as necessary.
  4. Clear the DTC using an OBD-II scanner and monitor the ECT sensor readings to ensure they are stable and accurate.
  5. If the issue persists, consider replacing the ECT sensor or consulting a professional mechanic for further diagnosis.

Cost to Fix P0119 2017 Chevrolet Silverado

The typical repair costs for addressing a P0119 code on a 2017 Chevrolet Silverado can vary depending on the specific cause of the issue. Replacement of the ECT sensor can range from $50 to $150, while labor costs may add an additional $80 to $150. If wiring repairs or ECM replacement are necessary, the total repair costs could increase accordingly. It is advisable to consult with a local auto repair shop to obtain a more precise estimate based on the specific diagnosis and labor rates in your area.

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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 P0119 2017 Chevrolet Silverado Code

What does the OBDII code P0119 mean for a 2017 Chevrolet Silverado?

P0119 indicates an intermittent issue in the Engine Coolant Temperature (ECT) sensor circuit, meaning the sensor is sending inconsistent or erratic signals to the engine control module.

What are the common symptoms of code P0119 in a 2017 Chevrolet Silverado?

Symptoms may include engine overheating, poor fuel economy, difficulty starting, erratic temperature gauge readings, and the check engine light turning on.

What causes the P0119 code to appear on a 2017 Chevrolet Silverado?

Common causes include a faulty ECT sensor, damaged wiring or connectors, corrosion in the sensor circuit, or issues with the engine control module.

Can a bad thermostat trigger the P0119 code?

Yes, a malfunctioning thermostat that affects coolant flow can cause erratic temperature readings, potentially triggering the P0119 code.

How can I diagnose code P0119 in my Chevy Silverado?

Start by checking the ECT sensor and wiring for damage or corrosion. Use a multimeter to test the sensor's resistance and inspect the thermostat for proper operation.

Is it safe to drive with the P0119 code on a 2017 Chevrolet Silverado?

Driving with this code may lead to engine overheating or poor performance. It is best to address the issue promptly to prevent potential engine damage.

How do I fix the P0119 code on a 2017 Chevrolet Silverado?

Repairs may include replacing the ECT sensor, repairing or replacing damaged wiring, cleaning connections, or addressing thermostat issues if needed.

Will clearing the P0119 code solve the problem permanently?

Clearing the code may temporarily remove the check engine light, but the underlying issue must be repaired to prevent the code from returning.

How much does it cost to fix the P0119 code on a Chevy Silverado?

Repair costs vary depending on the problem. Replacing the ECT sensor typically costs $100-$250, while fixing wiring or thermostat issues may cost more.

Can extreme weather conditions cause the P0119 code to appear?

Yes, extreme cold or heat can affect the ECT sensor's performance or exacerbate existing circuit issues, leading to intermittent signals and the P0119 code.

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