AutoCodes – GMC – P0498 2016 GMC Sierra

P0498 2016 GMC Sierra Code - Evaporative Emission System Vent Valve Control Circuit Low

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: P0498 2016 GMC Sierra indicates Evaporative Emission System Vent Valve Control Circuit Low.
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.

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Code Popularity 208

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 27, 2022

Description
Possible Causes
How To Fix
Tech Notes ▶
Cost to Diagnose
FAQs
Comments
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Code P0498 2016 GMC Sierra Description

The Evaporative Emission (EVAP) Vent Solenoid Valve is located on the EVAP canister and is used to seal the canister vent. The Evaporative Emission Vent Solenoid Valve responds to signals from the Engine Control Module (ECM). Battery voltage is supplied to the EVAP vent solenoid valve through a fuse. The ECM grounds the EVAP Vent Solenoid Valve control circuit through an internal switch called a driver. A plunger will then move to seal the canister vent. The ability to seal the vent is necessary for the on board diagnosis of other evaporative emission control system components. The ECM monitors the status of the driver. A scan tool will display the commanded state of the EVAP Vent Solenoid Valve as Not Venting (On) or Venting (Off). The Diagnostic Trouble Code (DTC) will be set when the ECM detects the EVAP vent solenoid valve control circuit is shorted to the ground within 0.25 s.

OBDII Code P0498 2016 GMC Sierra - Evaporative Emission System Vent Valve Control Circuit Low - AutoCodes.com — P0498 2016 GMC Sierra Code - Evaporative Emission System Vent Valve Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC P0498 2016 GMC Sierra?

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 P0498 2016 GMC Sierra?

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 does this mean?

Code Tech Notes

User Submitted Video

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0498 2016 GMC Sierra 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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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0498 2016 GMC Sierra Code

1. What does the OBDII code P0498 mean on a 2016 GMC Sierra?

P0498 indicates a low voltage issue in the evaporative emission (EVAP) system vent valve control circuit, which may affect the vehicle's ability to manage fuel vapor emissions.

2. What are the symptoms of code P0498 on a 2016 GMC Sierra?

Common symptoms include an illuminated Check Engine Light, potential fuel odor near the vehicle, or difficulty refueling due to EVAP system malfunctions.

3. What causes the P0498 code to appear on a 2016 GMC Sierra?

Possible causes include a faulty EVAP vent valve, damaged wiring or connectors, a blown fuse, or corrosion in the vent valve control circuit.

4. Can I drive my 2016 GMC Sierra with code P0498?

While the vehicle may still be drivable, it is not recommended to ignore the issue as it can lead to increased emissions and potentially damage other EVAP system components.

5. How do I diagnose the P0498 code on my 2016 GMC Sierra?

Start by inspecting the EVAP vent valve, its wiring, and connectors for damage or corrosion. Use a multimeter to check for proper voltage and continuity in the vent valve circuit.

6. How do I fix the P0498 code on a 2016 GMC Sierra?

Repairs may include replacing the EVAP vent valve, repairing damaged wiring or connectors, or replacing a blown fuse in the vent valve circuit.

7. How much does it cost to fix the P0498 code on a 2016 GMC Sierra?

The repair cost can range from $100 to $300, depending on whether the issue is a faulty vent valve or damaged wiring that requires professional repair.

8. Can a faulty EVAP vent valve cause code P0498 on a 2016 GMC Sierra?

Yes, a faulty or stuck-closed EVAP vent valve is a common cause of this code, as it can disrupt the electrical circuit and trigger a low voltage error.

9. Will clearing the P0498 code fix the problem on a 2016 GMC Sierra?

Clearing the code may turn off the Check Engine Light temporarily, but the issue will likely return if the underlying problem is not addressed.

10. How can I prevent the P0498 code from occurring on my 2016 GMC Sierra?

Regularly inspect the EVAP system components for wear or damage, keep connectors free from corrosion, and ensure proper maintenance of the vehicle's electrical system.