P0119 2016 GMC Sierra Code - Engine Coolant Temperature Circuit Intermittent
Quick Answer
The P0119 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates an issue with the Engine Coolant Temperature (ECT) circuit that is intermittent. Common causes include Faulty ECT sensor, Loose or corroded electrical connections, Wiring harness issues. 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 2016 GMC Sierra indicates Engine Coolant Temperature Circuit Intermittent.
- Common causes
- Common causes include Faulty ECT sensor, Loose or corroded electrical connections, Wiring harness issues.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P0119 2016 GMC Sierra Description
The P0119 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates an issue with the Engine Coolant Temperature (ECT) circuit that is intermittent. This means that there is a problem with the electrical circuit that monitors the engine coolant temperature, causing unreliable or inconsistent readings. The ECT sensor is crucial for the engine control module (ECM) to adjust fuel and ignition timing, as well as other engine parameters, based on the coolant temperature. An intermittent fault in this circuit can lead to incorrect temperature readings, which can affect the vehicle's performance, fuel efficiency, and emissions.
Common Causes of P0119 2016 GMC Sierra
- Faulty ECT sensor.
- Loose or corroded electrical connections.
- Wiring harness issues.
- ECM software malfunction.
- Coolant leakage affecting sensor readings.
Symptoms of P0119 2016 GMC Sierra
- Fluctuating or inaccurate temperature gauge readings on the dashboard.
- Engine overheating or running hotter than usual.
- Engine stalling or rough idling.
- Reduced fuel efficiency.
- Illumination of the check engine light.
How to Fix P0119 2016 GMC Sierra
- Begin by diagnosing the issue using a scan tool to confirm the P0119 code and check for any related codes.
- Inspect the ECT sensor and its connections for any visible damage or corrosion. Replace the sensor if necessary.
- Check the wiring harness for any signs of damage, fraying, or loose connections. Repair or replace as needed.
- Clear the code and perform a test drive to verify that the issue has been resolved.
- If the problem persists, further diagnostics may be required to pinpoint the exact cause of the intermittent circuit fault.
Cost to Fix P0119 2016 GMC Sierra
The cost of repairing a P0119 code on a 2016 GMC Sierra can vary depending on the specific cause of the issue. Generally, the cost of replacing an ECT sensor ranges from $50 to $150, while labor costs can add an additional $50 to $100. If the issue is related to wiring harness repairs or ECM reprogramming, the total cost could be higher. Overall, the repair for this code may range from $100 to $300, not including diagnostic fees. It's recommended to consult with a qualified mechanic or dealership for a more accurate estimate based on your vehicle's specific needs and location.
Need more information about the P0119 2016 GMC Sierra code?
Need more information on how to fix the P0119 2016 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0119 2016 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0119 2016 GMC Sierra Code
1. What does the OBDII code P0119 mean on a 2016 GMC Sierra?
P0119 indicates an intermittent issue with the engine coolant temperature (ECT) sensor circuit, which monitors the temperature of the engine coolant.
2. What are common symptoms of the P0119 code in a GMC Sierra?
Symptoms may include poor fuel efficiency, rough idle, engine overheating, difficulty starting the engine, or the temperature gauge displaying erratic readings.
3. What causes the P0119 code on a 2016 GMC Sierra?
Common causes include a faulty ECT sensor, damaged wiring or connectors, corrosion in the sensor circuit, or issues with the engine control module (ECM).
4. Can driving with the P0119 code cause damage to the engine?
Yes, driving with this code may lead to engine overheating or inefficient combustion, which can cause long-term damage to the engine.
5. How can I troubleshoot the P0119 code on my GMC Sierra?
Start by inspecting the ECT sensor and its wiring for damage or corrosion, checking the coolant level, and testing the sensor’s resistance with a multimeter.
6. Does the P0119 code affect vehicle performance?
Yes, an intermittent ECT sensor signal can result in suboptimal engine temperature management, affecting fuel economy and overall performance.
7. How do I fix the P0119 code on a 2016 GMC Sierra?
Repairs may include replacing the ECT sensor, repairing or replacing damaged wiring, cleaning corroded connectors, or updating the ECM software.
8. Is the P0119 code related to the thermostat on a GMC Sierra?
While the thermostat controls coolant flow, it is not directly related to this code. However, a malfunctioning thermostat can indirectly affect the ECT readings.
9. How much does it cost to repair the P0119 code on a GMC Sierra?
Repair costs vary but typically range from $150 to $300, depending on whether the issue is with the ECT sensor, wiring, or other related components.
10. Can I clear the P0119 code without fixing the issue?
Clearing the code without addressing the underlying problem may result in the code returning and potential engine performance issues.
Discuss the causes and fixes for P0119 2016 GMC Sierra OBDII Code
Code P0119 2016 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.