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P2068 2016 Chevrolet Silverado Code - Fuel Level Sensor 2 Circuit High Voltage

Quick Answer

The P2068 diagnostic trouble code (DTC) on a 2016 Chevrolet Silverado specifically refers to a fault detected in Fuel Level Sensor 2 Circuit High Voltage. Common causes include Faulty fuel level sensor, Corroded or damaged wiring in the fuel level sensor circuit, Issues with the 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
P2068 2016 Chevrolet Silverado indicates Fuel Level Sensor 2 Circuit High Voltage.
Common causes
Common causes include Faulty fuel level sensor, Corroded or damaged wiring in the fuel level sensor circuit, Issues with the 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P2068 2016 Chevrolet Silverado Description

The P2068 diagnostic trouble code (DTC) on a 2016 Chevrolet Silverado specifically refers to a fault detected in Fuel Level Sensor 2 Circuit High Voltage. This code indicates that there is an issue with the fuel level sensor circuit in the vehicle's fuel system. The fuel level sensor is responsible for measuring the amount of fuel in the tank and sending this information to the vehicle's engine control module (ECM). The ECM uses this data to calculate fuel consumption and manage the fuel delivery to the engine.

OBDII Code P2068 2016 Chevrolet Silverado - Fuel Level Sensor 2 Circuit High Voltage
P2068 2016 Chevrolet Silverado Code - Fuel Level Sensor 2 Circuit High Voltage

Common Causes of P2068 2016 Chevrolet Silverado

  1. Faulty fuel level sensor.
  2. Corroded or damaged wiring in the fuel level sensor circuit.
  3. Issues with the ECM.
  4. Poor electrical connections in the fuel level sensor circuit.
  5. Fuel contamination affecting the sensor's performance.

Symptoms of P2068 2016 Chevrolet Silverado

  1. Inaccurate fuel level readings on the dashboard gauge.
  2. Poor fuel efficiency.
  3. Rough idling or stalling of the engine.
  4. Check Engine Light illuminated on the dashboard.
  5. Difficulty starting the vehicle.

How to Fix P2068 2016 Chevrolet Silverado

  1. Diagnose the issue by using a scan tool to read the DTC and checking the fuel level sensor circuit for any visible damage.
  2. Test the fuel level sensor's resistance using a multimeter to determine if it is functioning within the manufacturer's specifications.
  3. Inspect the wiring and connections in the fuel level sensor circuit for any signs of corrosion or damage, and repair or replace as needed.
  4. Clear the DTC using the scan tool and reset the ECM to see if the issue persists after repair.
  5. Test drive the vehicle to confirm that the fuel level readings are accurate and the engine performance has improved.

Cost to Fix P2068 2016 Chevrolet Silverado

The cost of repairing a P2068 DTC on a 2016 Chevrolet Silverado can vary depending on the root cause of the issue and the parts and labor required for the repair. On average, the cost of replacing a faulty fuel level sensor can range from $150 to $300, including parts and labor. However, additional costs may apply if there are wiring or ECM issues that need to be addressed. It's recommended to consult with a qualified mechanic or auto repair shop for a more accurate estimate based on the specific circumstances of your vehicle. Keep in mind that labor rates can vary between different shops and locations.

What does this mean?

Tech Notes for P2068 2016 Chevrolet Silverado

A low fuel level can trigger this code. Before replacing any parts, try filling up the fuel tank and erasing the engine code. If the problem persists, it may be necessary to replace the fuel level sensor.

Need more information about the P2068 2016 Chevrolet Silverado code?

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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 P2068 2016 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P2068 in a 2016 Chevrolet Silverado?

The common symptoms of code P2068 include incorrect fuel level readings on the dashboard, fluctuating fuel gauge readings, and a lit Check Engine Light.

2. What does the OBDII code P2068 Fuel Level Sensor 2 Circuit High Voltage indicate?

Code P2068 indicates that the fuel level sensor 2 circuit in your 2016 Chevrolet Silverado is reporting a high voltage condition.

3. What are the potential causes of OBDII code P2068 on a 2016 Chevrolet Silverado?

Common causes of code P2068 include a faulty fuel level sensor, damaged wiring or connectors in the fuel level sensor circuit, or a problem with the vehicle's PCM.

4. How can I diagnose the OBDII code P2068 on my 2016 Chevrolet Silverado?

Diagnosing code P2068 involves checking the fuel level sensor 2 circuit for any visible damage, testing the sensor's resistance, and inspecting the wiring and connectors for any issues.

5. Can I still drive my 2016 Chevrolet Silverado with OBDII code P2068?

It is generally safe to drive your Silverado with code P2068, but it is recommended to address the issue promptly to avoid inaccurate fuel level readings and potential further problems.

6. How can I repair OBDII code P2068 Fuel Level Sensor 2 Circuit High Voltage on a 2016 Chevrolet Silverado?

Repairing code P2068 may involve replacing the faulty fuel level sensor, repairing damaged wiring or connectors, or resetting the PCM after fixing the underlying issue.

7. Will resetting the Check Engine Light resolve OBDII code P2068 on a 2016 Chevrolet Silverado?

Resetting the Check Engine Light may temporarily clear the code, but it will likely reappear if the underlying issue causing code P2068 is not addressed.

8. Is it possible to prevent OBDII code P2068 from occurring in my 2016 Chevrolet Silverado?

While some causes of code P2068 are unavoidable, you can help prevent this issue by regularly maintaining your vehicle, avoiding rough driving conditions, and promptly addressing any fuel system problems.

9. Can a DIY enthusiast without extensive automotive experience fix OBDII code P2068 in a 2016 Chevrolet Silverado?

Depending on the DIY enthusiast's skill level, fixing code P2068 may be possible with the right tools, resources, and guidance. However, if unsure, it is best to consult a professional mechanic.

10. How much can I expect to pay to repair OBDII code P2068 Fuel Level Sensor 2 Circuit High Voltage on a 2016 Chevrolet Silverado?

The cost of repairing code P2068 can vary depending on the specific cause of the issue, labor rates in your area, and whether you choose to do the repair yourself or take your Silverado to a professional mechanic.

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