P0459 2017 Chevrolet Silverado Code - Evaporative Emission Purge Solenoid Valve Control Circuit High Voltage
Quick Answer
The P0459 code on a 2017 Chevrolet Silverado indicates a problem with the evaporative emission purge solenoid valve control circuit, specifically that the voltage is higher than normal. Common causes include Faulty evaporative emission purge solenoid valve, Damaged wiring or connectors in the control circuit, Malfunctioning PCM. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
- What it means
- P0459 2017 Chevrolet Silverado indicates Evaporative Emission Purge Solenoid Valve Control Circuit High Voltage.
- Common causes
- Common causes include Faulty evaporative emission purge solenoid valve, Damaged wiring or connectors in the control circuit, Malfunctioning PCM.
- Severity
- Low - monitor the vehicle and repair when practical.
- Can I drive?
- The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
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Code P0459 2017 Chevrolet Silverado Description
The P0459 code on a 2017 Chevrolet Silverado indicates a problem with the evaporative emission purge solenoid valve control circuit, specifically that the voltage is higher than normal. The evaporative emission system is responsible for capturing and storing fuel vapors from the fuel tank to prevent them from escaping into the atmosphere. The purge solenoid valve controls the flow of these vapors into the engine for combustion.
Common Causes of P0459 2017 Chevrolet Silverado
- Faulty evaporative emission purge solenoid valve
- Damaged wiring or connectors in the control circuit
- Malfunctioning PCM
- Short circuit in the system
- Corrosion or debris in the system
Symptoms of P0459 2017 Chevrolet Silverado
- Check engine light illuminated
- Decreased fuel efficiency
- Rough idling or stalling
- Strong fuel odor
- Failed emissions test
How to Fix P0459 2017 Chevrolet Silverado
- Use an OBD-II scanner to confirm the P0459 code and diagnose the specific cause of the issue.
- Inspect the wiring and connectors in the evaporative emission system for any damage or corrosion.
- Test the purge solenoid valve for proper operation and replace if necessary.
- Clear the code from the PCM and reset the system to see if the issue is resolved.
- If the problem persists, consult a professional mechanic for further diagnosis and repair.
Cost to Fix P0459 2017 Chevrolet Silverado
The typical repair costs for addressing a P0459 code on a 2017 Chevrolet Silverado can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate. Additionally, factors such as location, vehicle make and model, and engine type can also impact the overall repair costs.
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