P0499 2016 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 2016 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 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0499 2016 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 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 P0499 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 P0499 2016 Chevrolet Silverado Code
What does code P0499 mean on a 2016 Chevrolet Silverado?
Code P0499 indicates an issue with the Evaporative Emission (EVAP) system vent valve control circuit, specifically a high voltage condition.
What are the common symptoms of code P0499 in a 2016 Chevrolet Silverado?
Common symptoms include an illuminated check engine light, difficulty refueling due to pressure buildup, and potential fuel odors near the vehicle.
What causes the P0499 code in a 2016 Chevrolet Silverado?
Possible causes include a faulty EVAP vent valve, damaged or corroded wiring in the circuit, a failed connector, or issues with the powertrain control module (PCM).
Can a faulty gas cap trigger the P0499 code?
While a loose or damaged gas cap can cause some EVAP system codes, it is unlikely to directly trigger P0499, which specifically relates to the vent valve circuit.
How do you diagnose a P0499 code on a 2016 Chevrolet Silverado?
Diagnosis typically involves inspecting the EVAP vent valve for proper operation, checking wiring and connectors for damage, and using a multimeter to test for high voltage in the circuit.
Is it safe to drive with a P0499 code on a 2016 Chevrolet Silverado?
Yes, it is generally safe to drive with this code, but it may lead to increased emissions and potential fuel system issues if left unresolved.
How much does it cost to fix code P0499 on a 2016 Chevrolet Silverado?
Repair costs can range from $100 to $300, depending on whether the issue is a simple wiring fix or requires replacing the EVAP vent valve.
Can clearing the P0499 code fix the issue permanently?
Clearing the code may temporarily turn off the check engine light, but the underlying issue must be repaired to prevent the code from returning.
What tools are needed to fix the P0499 code on a 2016 Chevrolet Silverado?
Common tools include a diagnostic scanner, a multimeter for electrical testing, and basic hand tools for replacing parts like the vent valve.
How do you prevent the P0499 code from recurring in a 2016 Chevrolet Silverado?
Regular inspections of the EVAP system, ensuring wiring and connectors are in good condition, and replacing faulty components promptly can help prevent recurrence.
Discuss the causes and fixes for P0499 2016 Chevrolet Silverado OBDII Code
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