AutoCodes – Chevrolet – P143E 2017 Chevrolet Silverado

P143E 2017 Chevrolet Silverado 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 2017 Chevrolet Silverado 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.

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Code Popularity 297

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 13, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P143E 2017 Chevrolet Silverado Description

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. The Diagnostic Trouble Code (DTC) will be set when invalid data is received from the Fuel Pump Control Module.

OBDII Code P143E 2017 Chevrolet Silverado - Fuel Level Sensor 2 Reference Feedback Performance - AutoCodes.com — P143E 2017 Chevrolet Silverado Code - Fuel Level Sensor 2 Reference Feedback Performance

What does this mean?

What are the Possible Causes of the DTC P143E 2017 Chevrolet Silverado?

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 2017 Chevrolet Silverado?

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 2017 Chevrolet Silverado 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 2017 Chevrolet Silverado code?

Need more information on how to fix the P143E 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 P143E 2017 Chevrolet Silverado Code

1. What does the OBDII code P143E mean for a 2017 Chevrolet Silverado?

P143E indicates a performance issue with the Fuel Level Sensor 2 Reference Feedback, which monitors fuel tank levels to ensure accurate readings and proper system operation.

2. What are the common symptoms of code P143E in a 2017 Chevrolet Silverado?

Symptoms may include inaccurate fuel gauge readings, a check engine light, and possible difficulty in monitoring fuel levels during operation.

3. What causes the P143E code in a Chevrolet Silverado?

Common causes include a faulty fuel level sensor, wiring issues, poor electrical connections, or a damaged fuel tank module.

4. How can I diagnose the P143E code on my Silverado?

Start by scanning for codes with an OBDII tool, inspect the wiring and connectors near the fuel level sensor, and verify sensor operation using a multimeter or diagnostic software.

5. Can I drive my 2017 Silverado with the P143E code?

While the vehicle may remain drivable, inaccurate fuel level readings could lead to running out of fuel unexpectedly, so prompt repairs are recommended.

6. How do I fix the P143E code on a Chevrolet Silverado?

Repair options include replacing the fuel level sensor, repairing damaged wiring or connectors, or replacing the fuel pump assembly if the sensor is integrated into it.

7. How much does it cost to repair the P143E code?

Repair costs vary but typically range from $200 to $600 depending on whether the sensor or fuel pump assembly needs replacement.

8. Can a bad fuel level sensor cause other issues in my Silverado?

Yes, it can lead to fuel system inefficiencies or incorrect data transmission to the engine control module, potentially affecting performance.

9. Do I need special tools to fix a P143E code?

Basic tools like a multimeter, OBDII scanner, and automotive repair tools are typically sufficient for diagnosing and repairing this issue.

10. Could the P143E code be triggered by a software issue?

Although rare, a software glitch in the engine control module (ECM) could cause incorrect sensor feedback, but this is less common than physical sensor or wiring issues.