P2119 2018 GMC Sierra Code - Throttle Closed Position Performance
Quick Answer
The P2119 diagnostic trouble code (DTC) in a 2018 GMC Sierra indicates a problem with the throttle closed position performance. Common causes include Faulty throttle position sensor, Stuck or dirty throttle plate, Vacuum leak in the intake system. 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
- P2119 2018 GMC Sierra indicates Throttle Closed Position Performance.
- Common causes
- Common causes include Faulty throttle position sensor, Stuck or dirty throttle plate, Vacuum leak in the intake system.
- 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 P2119 2018 GMC Sierra Description
The P2119 diagnostic trouble code (DTC) in a 2018 GMC Sierra indicates a problem with the throttle closed position performance. This code is triggered when the Engine Control Module (ECM) detects that the actual throttle plate position does not match the desired position. The throttle plate controls the amount of air entering the engine, which is crucial for proper combustion and engine performance. When the throttle plate is not in the correct position, it can lead to issues with engine performance, fuel efficiency, and overall drivability.
Common Causes of P2119 2018 GMC Sierra
- Faulty throttle position sensor.
- Stuck or dirty throttle plate.
- Vacuum leak in the intake system.
- Malfunctioning throttle actuator control motor.
- Wiring or connector issues related to the throttle system.
Symptoms of P2119 2018 GMC Sierra
- Poor acceleration or lack of response when pressing the gas pedal.
- Engine stalling or rough idling.
- Reduced fuel efficiency.
- Engine misfires.
- Illumination of the Check Engine Light.
How to Fix P2119 2018 GMC Sierra
- Perform a diagnostic scan to retrieve the trouble code and identify the specific cause of the issue.
- Inspect the throttle position sensor, throttle plate, and related components for any signs of damage or malfunction.
- Clean the throttle plate and throttle body to ensure smooth operation.
- Test the throttle actuator control motor and replace if necessary.
- Repair or replace any damaged wiring or connectors in the throttle system.
Cost to Fix P2119 2018 GMC Sierra
The typical repair costs for addressing a P2119 code in a 2018 GMC Sierra can vary depending on the specific cause of the issue. On average, the parts required for this repair may cost between $100 to $300, while the labor costs can range from $100 to $300. Overall, the total repair costs for this issue could be around $200 to $600. It is important to note that these are rough estimates, and actual costs may vary based on factors such as location, vehicle make and model, and the extent of the repairs needed. It is recommended to consult with a professional mechanic for a more accurate cost estimate.
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Frequently Asked Questions about P2119 2018 GMC Sierra Code
What does the OBDII code P2119 mean for a 2018 GMC Sierra?
P2119 indicates a "Throttle Closed Position Performance" issue, which means the throttle body is not operating as expected when it is supposed to be in the closed position.
What are the common symptoms of code P2119 in a 2018 GMC Sierra?
Symptoms may include reduced engine power, poor acceleration, the "Check Engine" light turning on, erratic idling, or the vehicle entering "limp mode."
What causes the P2119 code in a 2018 GMC Sierra?
Possible causes include a faulty throttle body, a malfunctioning throttle position sensor, wiring issues, carbon buildup in the throttle body, or a problem with the engine control module (ECM).
Can I drive my 2018 GMC Sierra with the P2119 code?
Driving with the P2119 code is not recommended, as it can lead to reduced engine performance or sudden loss of power, which could be unsafe.
How do I fix the P2119 code on my 2018 GMC Sierra?
Common fixes include cleaning the throttle body, repairing or replacing damaged wiring, replacing the throttle body or throttle position sensor, or reprogramming the ECM if necessary.
How do I diagnose the P2119 code on a 2018 GMC Sierra?
Diagnosis involves checking the throttle body for carbon buildup, testing the throttle position sensor, inspecting wiring and connectors for damage, and using a scan tool to monitor throttle position data.
Will cleaning the throttle body fix the P2119 code?
In many cases, cleaning the throttle body to remove carbon buildup can resolve the issue, but this depends on the severity of the problem and whether other components are faulty.
Is the P2119 code covered under warranty for a 2018 GMC Sierra?
It depends on the terms of your vehicle's warranty. If the throttle body or related components are still under warranty, the repair may be covered.
How much does it cost to fix the P2119 code on a 2018 GMC Sierra?
Repair costs can vary but typically range from $150 to $700, depending on whether you need a throttle body cleaning, part replacement, or ECM reprogramming.
What tools are needed to troubleshoot the P2119 code on a 2018 GMC Sierra?
You may need an OBDII scanner, a multimeter to check electrical connections, basic hand tools, and throttle body cleaner for maintenance tasks.
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