P0629 2015 Chevrolet Silverado Code - Fuel Pump Speed Output Circuit High Voltage
Quick Answer
The P0629 diagnostic trouble code (DTC) for the 2015 Chevrolet Silverado refers to the Fuel Pump Speed Output Circuit High Voltage. Common causes include Faulty fuel pump speed sensor, Wiring issues in the fuel pump speed output circuit, Malfunctioning engine control module (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
- P0629 2015 Chevrolet Silverado indicates Fuel Pump Speed Output Circuit High Voltage.
- Common causes
- Common causes include Faulty fuel pump speed sensor, Wiring issues in the fuel pump speed output circuit, Malfunctioning engine control module (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.
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Code P0629 2015 Chevrolet Silverado Description
The P0629 diagnostic trouble code (DTC) for the 2015 Chevrolet Silverado refers to the Fuel Pump Speed Output Circuit High Voltage. This code indicates that there is a high voltage condition detected in the fuel pump speed output circuit. The fuel pump speed output circuit is responsible for controlling the fuel pump operation, ensuring that the correct amount of fuel is delivered to the engine for optimal performance.
Common Causes of P0629 2015 Chevrolet Silverado
- Faulty fuel pump speed sensor
- Wiring issues in the fuel pump speed output circuit
- Malfunctioning engine control module (ECM)
- Corrosion or damage to electrical connections
- Defective fuel pump
Symptoms of P0629 2015 Chevrolet Silverado
- Engine stalling or hesitation during acceleration
- Rough idling or uneven engine performance
- Decreased fuel efficiency
- Check Engine Light illuminated on the dashboard
How to Fix P0629 2015 Chevrolet Silverado
- Diagnose the issue using a scan tool to confirm the presence of the P0629 code and identify the specific cause.
- Inspect the fuel pump speed sensor and wiring for any signs of damage or malfunction. Replace as necessary.
- Check and repair any corroded or damaged electrical connections in the fuel pump speed output circuit.
- Test the fuel pump operation to ensure it is functioning correctly and replace if necessary.
- Clear the DTC and test drive the vehicle to verify that the issue has been resolved.
Cost to Fix P0629 2015 Chevrolet Silverado
The typical repair costs for addressing a P0629 code in a 2015 Chevrolet Silverado can range from $200 to $500, including parts and labor. However, it is important to note that the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It is advisable to consult with local repair shops for a more accurate estimate.
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