P0499 2014 Chevrolet Silverado Code - Evaporative Emission System Vent Valve Control Circuit High
Quick Answer
The Evaporative Emission (EVAP) Vent Solenoid Valve is located on the EVAP canister and is used to seal the canister vent. Common causes include Faulty Evaporative Emission Vent Solenoid Valve, Evaporative Emission Vent Solenoid Valve harness is open or shorted, Evaporative Emission Vent Solenoid Valve electrical circuit poor 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
- P0499 2014 Chevrolet Silverado indicates Evaporative Emission System Vent Valve Control Circuit High.
- Common causes
- Common causes include Faulty Evaporative Emission Vent Solenoid Valve, Evaporative Emission Vent Solenoid Valve harness is open or shorted, Evaporative Emission Vent Solenoid Valve electrical circuit poor 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 P0499 2014 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0499 2014 Chevrolet Silverado?
- Faulty Evaporative Emission Vent Solenoid Valve
- Evaporative Emission Vent Solenoid Valve harness is open or shorted
- Evaporative Emission Vent Solenoid Valve electrical circuit poor connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0499 2014 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 P0499 2014 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.
Need more information about the P0499 2014 Chevrolet Silverado code?
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Frequently Asked Questions about P0499 2014 Chevrolet Silverado Code
What does the OBDII code P0499 mean on a 2014 Chevrolet Silverado?
P0499 indicates a problem with the evaporative emission system vent valve control circuit, specifically that the voltage is higher than expected.
What are the common symptoms of code P0499 in a 2014 Chevrolet Silverado?
Symptoms include the check engine light turning on, difficulty refueling due to pressure buildup, and possibly a slight decrease in fuel efficiency.
What causes the P0499 code to appear?
Common causes include a faulty vent valve solenoid, damaged wiring or connectors in the vent valve circuit, or a malfunctioning engine control module (ECM).
How can I diagnose the P0499 code on my Silverado?
Use an OBDII scanner to confirm the code, inspect the vent valve and its wiring for damage, and test the solenoid for proper operation using a multimeter.
Can a faulty vent valve solenoid cause the check engine light to come on?
Yes, a malfunctioning vent valve solenoid can disrupt the evaporative emission system, triggering the check engine light and the P0499 code.
Is it safe to drive with a P0499 code on a 2014 Silverado?
While it may not immediately affect drivability, ignoring the issue could lead to increased emissions and potential damage to other components over time.
How do I fix the P0499 code on my Silverado?
Repairs may include replacing the vent valve solenoid, repairing or replacing damaged wiring, or cleaning any debris blocking the vent valve.
How much does it cost to repair a P0499 code?
Repair costs vary but typically range from $150 to $300, depending on whether the vent valve solenoid or wiring needs replacement.
Can a clogged vent valve cause the P0499 code?
Yes, a clogged or obstructed vent valve can prevent proper operation, leading to the P0499 code.
Do I need to clear the P0499 code after repairs?
Yes, after completing repairs, use an OBDII scanner to clear the code and verify that it does not return.
Discuss the causes and fixes for P0499 2014 Chevrolet Silverado OBDII Code
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