P2418 Scion Code - EVAP System Valve Control Circuit Open
Quick Answer
5 hours after the ignition switch is turned OFF, the leak detection pump creates negative pressure(vacuum) in the EVAP system. Common causes include Faulty Vacuum Pump Module, Vacuum Pump Module harness is open or shorted, Vacuum Pump Module circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P2418 Scion indicates EVAP System Valve Control Circuit Open.
- Common causes
- Common causes include Faulty Vacuum Pump Module, Vacuum Pump Module harness is open or shorted, Vacuum Pump Module circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P2418 Scion Description
What are the Possible Causes of the DTC P2418 Scion?
- Faulty Vacuum Pump Module
- Vacuum Pump Module harness is open or shorted
- Vacuum Pump Module circuit poor electrical connection.
- Faulty Engine Control Module (ECM)
How to Fix the DTC P2418 Scion?
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 P2418 Scion 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 P2418 Scion Code
1. What does the OBDII code P2418 mean for a Scion?
P2418 indicates an issue with the EVAP system valve control circuit, specifically an open circuit or electrical problem.
2. What are the common symptoms of code P2418 in a Scion?
Symptoms include the check engine light turning on, possible fuel odor near the vehicle, and decreased fuel efficiency in some cases.
3. What causes the P2418 code to appear in a Scion?
Common causes include a faulty EVAP purge or vent valve, damaged wiring or connectors in the EVAP control circuit, or a malfunctioning ECM.
4. Can I drive my Scion with a P2418 code?
While the vehicle may still be drivable, it's not recommended to ignore this code as it can lead to increased emissions and potential fuel vapor leaks.
5. How do I diagnose the P2418 code in my Scion?
Start by inspecting the EVAP system wiring and connectors for damage, test the EVAP purge and vent valves, and check for proper voltage and ground at the circuit.
6. How much does it cost to fix a P2418 code on a Scion?
Repairs can range from $100 to $400, depending on whether it involves fixing wiring, replacing the EVAP valve, or addressing ECM-related issues.
7. Can a loose gas cap cause the P2418 code on a Scion?
A loose gas cap is unlikely to cause this specific code but can trigger other EVAP-related codes. It's worth checking as part of the diagnosis.
8. What tools are needed to troubleshoot the P2418 code on a Scion?
You’ll need an OBDII scanner, a multimeter, and potentially a smoke machine to check for EVAP system leaks.
9. Does the P2418 code mean my Scion is polluting more?
Yes, this code often indicates a failure in the EVAP system, which can lead to increased fuel vapor emissions.
10. Is the P2418 code covered under warranty for a Scion?
It may be covered under the emissions warranty, depending on your vehicle’s age and mileage. Check with your dealership for details.
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