P0459 2016 Chevrolet Silverado Code - Evaporative Emission Purge Solenoid Valve Control Circuit High Voltage
Quick Answer
The Evaporative Emission (EVAP) Purge Solenoid Valve is used to purge fuel vapor from the EVAP canister to the intake manifold. Common causes include Faulty Evaporative Emission (EVAP) Purge Solenoid Valve, Evaporative Emission Purge Solenoid Valve harness is open or shorted, Evaporative Emission Purge Solenoid Valve circuit poor electrical connection. 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 2016 Chevrolet Silverado indicates Evaporative Emission Purge Solenoid Valve Control Circuit High Voltage.
- Common causes
- Common causes include Faulty Evaporative Emission (EVAP) Purge Solenoid Valve, Evaporative Emission Purge Solenoid Valve harness is open or shorted, Evaporative Emission Purge Solenoid Valve circuit poor electrical connection.
- 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.
Code P0459 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0459 2016 Chevrolet Silverado?
- Faulty Evaporative Emission (EVAP) Purge Solenoid Valve
- Evaporative Emission Purge Solenoid Valve harness is open or shorted
- Evaporative Emission Purge Solenoid Valve circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0459 2016 Chevrolet Silverado?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0459 2016 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0459 2016 Chevrolet Silverado Code
What does the OBDII code P0459 mean on a 2016 Chevrolet Silverado?
1. P0459 indicates a high voltage issue in the evaporative emission (EVAP) purge solenoid valve control circuit, which controls the flow of fuel vapors from the EVAP system to the engine. 2.
What are common symptoms of P0459 in a 2016 Chevrolet Silverado?
Symptoms may include an illuminated check engine light, a strong fuel smell near the vehicle, decreased fuel efficiency, or failed emissions tests. 3.
What causes the P0459 code to appear on a 2016 Chevrolet Silverado?
Common causes include a faulty EVAP purge solenoid valve, damaged wiring or connectors in the control circuit, or a failing engine control module (ECM). 4.
Can I drive my 2016 Chevrolet Silverado with the P0459 code?
While the vehicle may still be drivable, ignoring the issue can lead to increased emissions, reduced fuel efficiency, and potential damage to other components of the EVAP system. 5.
How can the P0459 code be diagnosed on a 2016 Chevrolet Silverado?
Diagnosis typically involves checking the EVAP purge solenoid valve, inspecting the wiring and connectors for damage, and using a multimeter to test for proper voltage in the circuit. 6.
How do I fix the P0459 code on my 2016 Chevrolet Silverado?
Repairs may include replacing the EVAP purge solenoid valve, repairing damaged wiring or connectors, or in rare cases, replacing the ECM. 7.
How much does it cost to fix the P0459 code on a 2016 Chevrolet Silverado?
Repair costs vary, but replacing the EVAP purge solenoid valve typically ranges from $150 to $300, depending on parts and labor. 8.
Can a loose gas cap cause the P0459 code on a 2016 Chevrolet Silverado?
No, a loose gas cap is unlikely to cause P0459. This code is specifically related to the purge solenoid valve circuit, not the gas cap. 9.
Will clearing the P0459 code fix the problem on a 2016 Chevrolet Silverado?
Clearing the code will turn off the check engine light temporarily, but the underlying issue must be repaired to prevent the code from returning. 10.
How can I prevent the P0459 code from occurring on my 2016 Chevrolet Silverado?
Regularly inspect the EVAP system components for damage, ensure proper maintenance, and address any warning signs like fuel smells or poor fuel efficiency promptly.
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