P2068 2014 GMC Sierra Code - Fuel Level Sensor 2 Circuit High Voltage
Quick Answer
The P2068 diagnostic trouble code (DTC) for a 2014 GMC Sierra indicates a problem with the Fuel Level Sensor 2 Circuit High Voltage. Common causes include Faulty fuel level sensor, Corroded or damaged wiring in the sensor circuit, ECM software issue. 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 2014 GMC Sierra indicates Fuel Level Sensor 2 Circuit High Voltage.
- Common causes
- Common causes include Faulty fuel level sensor, Corroded or damaged wiring in the sensor circuit, ECM software issue.
- 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 P2068 2014 GMC Sierra Description
The P2068 diagnostic trouble code (DTC) for a 2014 GMC Sierra indicates a problem with the Fuel Level Sensor 2 Circuit High Voltage. This code is specifically related to the fuel level sensor, which 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, adjust fuel delivery, and display the fuel level on the dashboard.
Common Causes of P2068 2014 GMC Sierra
- Faulty fuel level sensor
- Corroded or damaged wiring in the sensor circuit
- ECM software issue
- Poor electrical connection to the sensor
- Fuel contamination affecting sensor performance
Symptoms of P2068 2014 GMC Sierra
- Inaccurate fuel level readings on the dashboard
- Check Engine Light illuminated
- Fluctuating fuel gauge
- Engine running rough or stalling
- Reduced fuel efficiency
How to Fix P2068 2014 GMC Sierra
- Begin by diagnosing the issue using a scan tool to read the DTC and checking the fuel level sensor's wiring and connections.
- Test the fuel level sensor's resistance and voltage to determine if it is functioning properly.
- Replace the fuel level sensor if it is found to be faulty, ensuring proper installation and calibration.
- Repair any damaged wiring or connections in the sensor circuit.
- Clear the DTC and test drive the vehicle to verify that the issue has been resolved.
Cost to Fix P2068 2014 GMC Sierra
The typical repair costs for addressing a P2068 code on a 2014 GMC Sierra can vary depending on the specific cause of the issue. In general, replacing a faulty fuel level sensor can cost between $150 and $300, including parts and labor. However, if additional wiring repairs or ECM reprogramming are required, the total cost could be higher. It's recommended to consult with a qualified mechanic or auto repair shop to get an accurate estimate based on the specific diagnosis and repair needed. Keep in mind that labor rates can vary between different locations and types of repair facilities.
Tech Notes for P2068 2014 GMC Sierra
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