P143E 2014 GMC Sierra Code - Fuel Level Sensor 2 Reference Feedback Performance
Quick Answer
The signal circuit is connected to the Fuel Pump Driver Control Module, the control module communicates with the Engine Control Module (ECM) via serial data. Common causes include Faulty Fuel Pump Driver Control Module, Fuel Pump Driver Control Module harness is open or shorted, Fuel Pump Driver Control Module 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
- P143E 2014 GMC Sierra indicates Fuel Level Sensor 2 Reference Feedback Performance.
- Common causes
- Common causes include Faulty Fuel Pump Driver Control Module, Fuel Pump Driver Control Module harness is open or shorted, Fuel Pump Driver Control Module 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.
Code P143E 2014 GMC Sierra Description
What are the Possible Causes of the DTC P143E 2014 GMC Sierra?
- Faulty Fuel Pump Driver Control Module
- Fuel Pump Driver Control Module harness is open or shorted
- Fuel Pump Driver Control Module circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P143E 2014 GMC Sierra?
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 P143E 2014 GMC Sierra 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 P143E 2014 GMC Sierra code?
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Frequently Asked Questions about P143E 2014 GMC Sierra Code
What does the OBDII code P143E mean for my 2014 GMC Sierra?
The code P143E indicates that there is a performance issue with the fuel level sensor 2 reference feedback, which usually means the vehicle's computer is detecting an abnormal reading from the fuel level sensor.
What symptoms might I experience if my GMC Sierra has the P143E code?
Common symptoms include inaccurate fuel gauge readings, the check engine light being illuminated, and potential issues with fuel economy or engine performance.
What could cause the P143E code to trigger?
Causes may include a faulty fuel level sensor, wiring issues such as damaged or corroded connectors, a malfunctioning fuel pump, or problems with the vehicle's engine control module (ECM).
How can I diagnose the P143E code?
To diagnose this code, start by using an OBDII scanner to confirm the code and check for any additional codes. Inspect the wiring and connectors related to the fuel level sensor and test the sensor itself for proper function.
What are some common repair solutions for the P143E code?
Repair solutions may involve replacing a faulty fuel level sensor, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the ECM if it is determined to be malfunctioning.
Is it safe to drive my GMC Sierra with the P143E code?
While it may be safe to drive short distances, it is advisable to address the issue promptly to avoid further complications, such as running out of fuel unexpectedly or experiencing decreased engine performance.
Can I reset the check engine light after fixing the P143E code?
Yes, after addressing the underlying issue, you can reset the check engine light using an OBDII scanner or by disconnecting the battery for a short time, but ensure the problem is fixed to prevent the code from returning.
Will clearing the P143E code fix the problem?
Clearing the code may turn off the check engine light temporarily, but it will not fix the underlying issue causing the code. Proper diagnosis and repair are necessary to resolve the problem permanently.
How much might it cost to repair the P143E code issue?
Repair costs can vary widely depending on the cause. Replacing a fuel level sensor might range from $100 to $300, while more extensive electrical repairs could cost significantly more. Always get a detailed estimate from a trusted mechanic.
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