P0628 2016 Chevrolet Silverado Code - Fuel Pump Speed Output Circuit Low Voltage
Quick Answer
The P0628 diagnostic trouble code (DTC) in a 2016 Chevrolet Silverado indicates a problem with the fuel pump speed output circuit having low voltage. Common causes include Faulty wiring or connectors in the fuel pump speed output circuit, Malfunctioning fuel pump control module, Defective fuel pump. 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 2016 Chevrolet Silverado indicates Fuel Pump Speed Output Circuit Low Voltage.
- Common causes
- Common causes include Faulty wiring or connectors in the fuel pump speed output circuit, Malfunctioning fuel pump control module, Defective fuel pump.
- 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 2016 Chevrolet Silverado Description
The P0628 diagnostic trouble code (DTC) in a 2016 Chevrolet Silverado indicates a problem with the fuel pump speed output circuit having low voltage. The fuel pump speed output circuit is responsible for regulating the speed of the fuel pump, which is crucial for maintaining the correct fuel pressure in the system. When the voltage in this circuit drops below the specified range, it can lead to various issues affecting the vehicle's performance.
Common Causes of P0628 2016 Chevrolet Silverado
- Faulty wiring or connectors in the fuel pump speed output circuit
- Malfunctioning fuel pump control module
- Defective fuel pump
- Issues with the power supply to the fuel pump
- Corrosion or damage to the fuel pump speed output circuit components
Symptoms of P0628 2016 Chevrolet Silverado
- Engine misfires or hesitation during acceleration
- Difficulty starting the engine or engine stalling
- Reduced fuel efficiency
- Illumination of the check engine light
- Rough idling or engine surging
How to Fix P0628 2016 Chevrolet Silverado
- Begin by conducting a thorough inspection of the fuel pump speed output circuit, checking for any loose or damaged wiring or connectors.
- Test the fuel pump control module to determine if it is functioning correctly or needs replacement.
- Check the fuel pump itself for any signs of damage or wear, and replace if necessary.
- Verify the power supply to the fuel pump is stable and within the specified range.
- Clear the DTC and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0628 2016 Chevrolet Silverado
The typical repair costs for addressing a P0628 code in a 2016 Chevrolet Silverado can range from $200 to $600, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that the diagnosis time and labor rates at auto repair shops can vary, with hourly rates typically ranging between $80 and $150. Rates may be higher at dealerships or in metropolitan areas, while independent shops may offer lower prices. For a more accurate estimate, it is recommended to obtain quotes from local auto repair shops.
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Frequently Asked Questions about P0628 2016 Chevrolet Silverado Code
What does the OBDII code P0628 mean for a 2016 Chevrolet Silverado?
The P0628 code indicates that the Fuel Pump Speed Output Circuit is experiencing low voltage, which may affect the fuel pump's operation.
What are the common symptoms of code P0628 in a 2016 Chevrolet Silverado?
Symptoms may include difficulty starting the engine, poor engine performance, stalling, or the check engine light turning on.
What causes the P0628 code to appear in a 2016 Chevrolet Silverado?
Common causes include a faulty fuel pump, damaged wiring or connectors in the fuel pump circuit, a malfunctioning fuel pump control module, or a weak battery.
Can I drive my 2016 Chevrolet Silverado with a P0628 code?
It is not recommended to drive with this code, as it can cause poor performance or lead to stalling, potentially leaving you stranded.
How do I diagnose the P0628 code in my 2016 Chevrolet Silverado?
Start by checking the battery voltage, inspecting the wiring and connectors to the fuel pump, and testing the fuel pump control module for proper operation.
What tools do I need to troubleshoot the P0628 code?
You will need a multimeter to check voltage, a scan tool to read live data, and possibly a wiring diagram for the fuel pump circuit.
How do I fix the P0628 code on a 2016 Chevrolet Silverado?
Repairs may include replacing a faulty fuel pump, repairing damaged wiring or connectors, replacing the fuel pump control module, or ensuring the battery is fully charged.
How much does it cost to repair the P0628 code on a 2016 Chevrolet Silverado?
Repair costs can vary but typically range from $150 to $800, depending on whether the issue is with the fuel pump, wiring, or control module.
Can a weak battery cause the P0628 code on a 2016 Chevrolet Silverado?
Yes, a weak or failing battery can cause low voltage in the fuel pump circuit, triggering the P0628 code.
Is a P0628 code a common issue for the 2016 Chevrolet Silverado?
While not extremely common, it can occur, especially if there are issues with the fuel pump control system, electrical connections, or battery health.
Discuss the causes and fixes for P0628 2016 Chevrolet Silverado OBDII Code
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