P1433 GMC Code - Fuel Level Sensor 2 Circuit High Voltage
Quick Answer
The P1433 GMC code indicates a problem with the Fuel Level Sensor 2 Circuit High Voltage in the vehicle. Common causes include Faulty fuel level sensor, Corrosion or damage to the wiring or connections in the sensor circuit, Issues with the vehicle's computer system. 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
- P1433 GMC indicates Fuel Level Sensor 2 Circuit High Voltage.
- Common causes
- Common causes include Faulty fuel level sensor, Corrosion or damage to the wiring or connections in the sensor circuit, Issues with the vehicle's computer system.
- 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 P1433 GMC Description
The P1433 GMC code indicates a problem with the Fuel Level Sensor 2 Circuit High Voltage in the vehicle. The fuel level sensor is a crucial component that measures the amount of fuel in the tank and sends this information to the vehicle's computer system. The sensor typically uses a float that moves with the fuel level, changing the resistance in the circuit as the fuel level changes.
Common Causes of P1433 GMC
- Faulty fuel level sensor
- Corrosion or damage to the wiring or connections in the sensor circuit
- Issues with the vehicle's computer system
- Contaminated fuel affecting sensor readings
- Electrical problems in the sensor circuit
Symptoms of P1433 GMC
- Inaccurate fuel gauge readings
- Engine stalling or hesitation
- Check Engine Light illuminated
- Poor fuel efficiency
- Difficulty starting the vehicle
How to Fix P1433 GMC
- Diagnose the issue by using a scan tool to read the code and test the fuel level sensor's resistance.
- Inspect the wiring and connections in the sensor circuit for any damage or corrosion.
- Replace the fuel level sensor if it is found to be faulty.
- Clear the code and test drive the vehicle to ensure the issue has been resolved.
- If the problem persists, further diagnostics may be needed to identify any underlying issues with the computer system.
Cost to Fix P1433 GMC
The cost of repairing a Fuel Level Sensor 2 Circuit High Voltage issue can vary depending on the specific make and model of the vehicle, as well as the labor rates in your area. On average, the cost of replacing a fuel level sensor can range from $150 to $300, including parts and labor. It's important to note that additional diagnostic time or repairs may increase the overall cost of the repair. Be sure to check with local auto repair shops for a more accurate estimate based on your vehicle's needs.
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