P143E 2017 GMC Sierra Code - Fuel Level Sensor 2 Reference Feedback Performance
Quick Answer
The P143E diagnostic trouble code (DTC) for a 2017 GMC Sierra refers to an issue with the Fuel Level Sensor 2 Reference Feedback Performance. Common causes include Faulty fuel level sensor, Wiring or connection issues, Malfunctioning ECM. 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
- P143E 2017 GMC Sierra indicates Fuel Level Sensor 2 Reference Feedback Performance.
- Common causes
- Common causes include Faulty fuel level sensor, Wiring or connection issues, Malfunctioning ECM.
- 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 P143E 2017 GMC Sierra Description
The P143E diagnostic trouble code (DTC) for a 2017 GMC Sierra refers to an issue with the Fuel Level Sensor 2 Reference Feedback Performance. This code indicates that the fuel level sensor 2, which is responsible for providing feedback on the fuel level in the tank to the vehicle's engine control module (ECM), is not performing within the expected parameters. The fuel level sensor is crucial for accurately measuring the amount of fuel in the tank, which is essential for proper fuel management and engine performance.
Common Causes of P143E 2017 GMC Sierra
- Faulty fuel level sensor
- Wiring or connection issues
- Malfunctioning ECM
- Corrosion or damage to sensor components
- Fuel contamination affecting sensor performance
Symptoms of P143E 2017 GMC Sierra
- Inaccurate fuel gauge readings
- Engine misfires
- Stalling or hesitation during acceleration
- Reduced fuel efficiency
- Check Engine Light illuminated
How to Fix P143E 2017 GMC Sierra
- Diagnose the issue using a scan tool to confirm the P143E code and determine the specific cause of the problem.
- Inspect the fuel level sensor, wiring, and connections for any signs of damage or corrosion.
- Replace the faulty fuel level sensor if necessary, ensuring proper installation and calibration.
- Clear the DTC and perform a test drive to verify that the issue has been resolved.
- If the problem persists, further diagnostics may be required to identify any underlying issues with the ECM or other components.
Cost to Fix P143E 2017 GMC Sierra
The typical repair costs for addressing a P143E code on a 2017 GMC Sierra can vary depending on the specific cause of the issue. In general, replacing a faulty fuel level sensor can cost between $150 to $300, including parts and labor. Additional costs may apply if wiring repairs or ECM replacement are necessary. It's important to note that diagnosis time and labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. Rates may be higher at dealerships or in metropolitan areas, while independent shops may offer lower prices. For a more accurate estimate, it's recommended to consult with a local auto repair shop.
Need more information about the P143E 2017 GMC Sierra code?
Need more information on how to fix the P143E 2017 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P143E 2017 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P143E 2017 GMC Sierra Code
1. What does OBDII code P143E mean on a 2017 GMC Sierra?
Code P143E indicates an issue with the Fuel Level Sensor 2 Reference Feedback Performance, typically related to the secondary fuel level sensor in the fuel system.
2. What are the common symptoms of P143E in a 2017 GMC Sierra?
Symptoms may include erratic or incorrect fuel gauge readings, the check engine light turning on, and potential difficulty in tracking fuel levels accurately.
3. What causes the P143E code on a 2017 GMC Sierra?
Causes can include a faulty fuel level sensor, wiring or connector issues in the sensor circuit, or a malfunction in the fuel pump module.
4. Can a faulty fuel level sensor trigger the P143E code?
Yes, a faulty or malfunctioning fuel level sensor is one of the most common causes of this code.
5. How do I diagnose the P143E code on my GMC Sierra?
Diagnosis involves using an OBDII scanner to confirm the code, inspecting the fuel level sensor and its wiring for damage, and testing the sensor's electrical connections.
6. Can I still drive my 2017 GMC Sierra with a P143E code?
While the vehicle may still be drivable, it is not recommended due to the potential for inaccurate fuel level readings, which could lead to running out of fuel unexpectedly.
7. What repairs are typically needed for a P143E code?
Repairs may include replacing the faulty fuel level sensor, repairing or replacing damaged wiring, or addressing issues in the fuel pump module.
8. How much does it cost to fix a P143E code on a 2017 GMC Sierra?
Repair costs can vary, but replacing a fuel level sensor typically ranges between $200 and $500, depending on parts and labor.
9. Can a software issue cause the P143E code?
While less common, a software glitch in the vehicle's fuel management system could potentially trigger this code and may require a reflash or update.
10. How can I prevent the P143E code from recurring?
Regular maintenance, such as inspecting wiring and keeping the fuel system clean, can help prevent issues with the fuel level sensor and reduce the chance of this code appearing.
Discuss the causes and fixes for P143E 2017 GMC Sierra OBDII Code
Code P143E 2017 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.