P0499 2017 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 2017 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 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0499 2017 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 2017 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 2017 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 2017 Chevrolet Silverado code?
Need more information on how to fix the P0499 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0499 2017 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0499 2017 Chevrolet Silverado Code
1. What does the OBDII code P0499 mean on a 2017 Chevrolet Silverado?
P0499 indicates an issue with the Evaporative Emission System Vent Valve Control Circuit being stuck in a high voltage condition, potentially caused by a wiring or component failure.
2. What are the common symptoms of the P0499 code on a 2017 Chevrolet Silverado?
Symptoms may include an illuminated check engine light, difficulty filling the gas tank, a slight decrease in fuel efficiency, and potential fuel odors due to the EVAP system malfunction.
3. What causes the P0499 code on a 2017 Chevrolet Silverado?
Common causes include a faulty EVAP vent valve, damaged wiring or connectors, a blown fuse, or corrosion in the electrical connections.
4. Can a P0499 code affect drivability on a 2017 Chevrolet Silverado?
The P0499 code typically does not affect drivability, but it may cause emissions issues or prevent the vehicle from passing an emissions test.
5. How do you diagnose the P0499 code on a 2017 Chevrolet Silverado?
Diagnosis includes checking the vent valve's electrical circuit for continuity, inspecting wiring and connectors for damage, and testing the vent valve for proper operation using a scan tool or multimeter.
6. Can a loose gas cap trigger the P0499 code on a 2017 Chevrolet Silverado?
No, a loose gas cap is unlikely to trigger the P0499 code, as this code specifically relates to the vent valve control circuit.
7. How can you fix the P0499 code on a 2017 Chevrolet Silverado?
Repairs may involve replacing the EVAP vent valve, repairing or replacing damaged wiring, cleaning corroded connectors, or replacing a blown fuse.
8. How much does it cost to fix the P0499 code on a 2017 Chevrolet Silverado?
The repair cost can range from $100 to $300 depending on whether the issue is with the vent valve itself or the wiring and connectors.
9. Can you drive with the P0499 code on a 2017 Chevrolet Silverado?
Yes, you can drive with this code, but it’s recommended to address the issue promptly to avoid potential emissions problems or further damage to the EVAP system.
10. Will clearing the P0499 code on a 2017 Chevrolet Silverado fix the problem?
Clearing the code will turn off the check engine light temporarily, but unless the underlying issue is resolved, the code is likely to return.
Discuss the causes and fixes for P0499 2017 Chevrolet Silverado OBDII Code
Code P0499 2017 Chevrolet Silverado comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
