P0628 2014 Chevrolet Silverado Code - Fuel Pump Speed Output Circuit Low Voltage
Quick Answer
The P0628 code in a 2014 Chevrolet Silverado indicates a problem with the fuel pump speed output circuit registering low voltage. Common causes include Faulty fuel pump, Damaged fuel pump speed sensor, Corroded or damaged wiring or connectors in the fuel pump circuit. 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
- P0628 2014 Chevrolet Silverado indicates Fuel Pump Speed Output Circuit Low Voltage.
- Common causes
- Common causes include Faulty fuel pump, Damaged fuel pump speed sensor, Corroded or damaged wiring or connectors in the fuel pump circuit.
- 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 P0628 2014 Chevrolet Silverado Description
The P0628 code in a 2014 Chevrolet Silverado indicates a problem with the fuel pump speed output circuit registering low voltage. The fuel pump speed output circuit is responsible for controlling the speed of the fuel pump, which ensures the proper amount of fuel is delivered to the engine for combustion. When the voltage in this circuit drops below the specified range, it can lead to performance issues and potentially cause long-term damage to the vehicle.
Common Causes of P0628 2014 Chevrolet Silverado
- Faulty fuel pump.
- Damaged fuel pump speed sensor.
- Corroded or damaged wiring or connectors in the fuel pump circuit.
- Malfunctioning fuel pump control module.
Symptoms of P0628 2014 Chevrolet Silverado
- Engine stalling or hesitation during acceleration.
- Rough idling or difficulty starting the engine.
- Decreased fuel efficiency.
- Engine misfires.
- Check Engine Light illuminated on the dashboard.
How to Fix P0628 2014 Chevrolet Silverado
- Begin by diagnosing the specific cause of the low voltage in the fuel pump speed output circuit using a diagnostic scanner.
- Inspect the fuel pump, fuel pump speed sensor, wiring, and connectors for any signs of damage or corrosion.
- Replace the faulty component, whether it be the fuel pump, speed sensor, or damaged wiring.
- Clear the diagnostic trouble codes from the vehicle's computer using the diagnostic scanner.
- Test drive the vehicle to ensure the issue has been resolved and the code does not reappear.
Cost to Fix P0628 2014 Chevrolet Silverado
The typical repair costs for addressing a P0628 code in a 2014 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, the cost of replacing a fuel pump or speed sensor can range from $300 to $800, while repairing damaged wiring or connectors may cost $100 to $300. Labor costs at auto repair shops typically range between $80 and $150 per hour. It is advisable to check with local repair shops for a more precise estimate based on your location and the severity of the issue.
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Frequently Asked Questions about P0628 2014 Chevrolet Silverado Code
1. What does the OBDII code P0628 mean on a 2014 Chevrolet Silverado?
The P0628 code indicates "Fuel Pump Speed Output Circuit Low Voltage," meaning the fuel pump control module has detected a low voltage issue in the fuel pump speed circuit.
2. What are the common symptoms of code P0628 in a 2014 Chevrolet Silverado?
Symptoms may include difficulty starting the engine, stalling, reduced engine performance, or a check engine light illuminated.
3. What causes the P0628 code to appear on a 2014 Chevrolet Silverado?
Common causes include a faulty fuel pump control module, damaged wiring or connectors in the fuel pump circuit, a failing fuel pump, or a weak battery.
4. Can a bad fuel pump trigger the P0628 code?
Yes, a failing or damaged fuel pump can cause the P0628 code by not responding properly to speed control signals.
5. How can I diagnose the P0628 code on my 2014 Chevrolet Silverado?
Start by checking the battery voltage, inspecting the fuel pump circuit wiring for damage, and testing the fuel pump control module and related components using a multimeter.
6. Is it safe to drive my 2014 Chevrolet Silverado with the P0628 code?
Driving with this code isn't recommended, as it may cause poor performance, stalling, or further damage to the fuel system components.
7. How do I fix the P0628 code on a 2014 Chevrolet Silverado?
Repairs may include replacing damaged wiring or connectors, installing a new fuel pump control module, replacing the fuel pump, or addressing any battery or voltage issues.
8. Can a low battery cause the P0628 code on my 2014 Chevrolet Silverado?
Yes, a weak or failing battery can result in low voltage in the fuel pump circuit, potentially triggering the P0628 code.
9. How much does it cost to repair the P0628 code on a 2014 Chevrolet Silverado?
Repair costs vary but may range from $100 for simple wiring repairs to $500 or more if the fuel pump or control module needs replacement.
10. Do I need to clear the P0628 code after repairs on my 2014 Chevrolet Silverado?
Yes, after completing the repairs, use an OBDII scanner to clear the code and verify that it doesn’t return during a test drive.
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