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P2419 Toyota Code - Evaporative Emission System Switching Valve Control Circuit Low

Quick Answer

The P2419 diagnostic trouble code (DTC) for Toyota vehicles indicates a problem with the Evaporative Emission System Switching Valve Control Circuit being detected as low. Common causes include Faulty Evaporative Emission System Switching Valve, Wiring or electrical issues in the control circuit, Loose or corroded connections in the circuit. 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
P2419 Toyota indicates Evaporative Emission System Switching Valve Control Circuit Low.
Common causes
Common causes include Faulty Evaporative Emission System Switching Valve, Wiring or electrical issues in the control circuit, Loose or corroded connections in the circuit.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 06, 2024
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Code P2419 Toyota Description

The P2419 diagnostic trouble code (DTC) for Toyota vehicles indicates a problem with the Evaporative Emission System Switching Valve Control Circuit being detected as low. The evaporative emission system is responsible for controlling the release of fuel vapors from the vehicle's fuel system into the atmosphere. The switching valve controls the flow of vapors from the charcoal canister to the engine intake for combustion. When this circuit is detected as low, it means that there is an issue with the electrical signal or voltage in the circuit, which can lead to improper operation of the switching valve.

OBDII Code P2419 Toyota - Evaporative Emission System Switching Valve Control Circuit Low
P2419 Toyota Code - Evaporative Emission System Switching Valve Control Circuit Low

Common Causes of P2419 Toyota

  1. Faulty Evaporative Emission System Switching Valve.
  2. Wiring or electrical issues in the control circuit.
  3. Loose or corroded connections in the circuit.
  4. Faulty engine control module (ECM).
  5. Evaporative emissions canister saturated with fuel.

Symptoms of P2419 Toyota

  1. Check engine light illuminated on the dashboard.
  2. Decreased fuel efficiency.
  3. Rough idle or stalling.
  4. Strong fuel odor coming from the vehicle.
  5. Failed emissions test.

How to Fix P2419 Toyota

  1. Perform a visual inspection of the Evaporative Emission System Switching Valve and associated wiring for any visible damage.
  2. Test the switching valve using a multimeter to check for proper voltage and continuity.
  3. Inspect and clean any corroded or loose connections in the circuit.
  4. Replace the switching valve if it is found to be faulty.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P2419 Toyota

The cost estimate for repairing a P2419 code on a Toyota vehicle can vary depending on the specific model and year of the vehicle, as well as the location of the repair shop. On average, the cost of parts for this repair can range from $100 to $300, while labor costs can range from $100 to $300. Therefore, the total cost for addressing this issue can be anywhere from $200 to $600. It's important to note that these are rough estimates, and actual costs may vary. It's recommended to obtain quotes from local repair shops to get a more accurate cost estimate.

What does this mean?

Tech Notes for P2419 Toyota

There are Factory Service Bulletins for the following Toyota models:

2005–2006 Toyota Corolla
2005–2006 Toyota Matrix
2005–2006 Toyota Corolla, Matrix Factory Service Bulletin OBDII Code P2419

2006–2009 Toyota RAV4
2006–2009 Toyota RAV4 Factory Service Bulletin OBDII Code P2419
The service bulletin recommends replacing the EVAP Charcoal Canister Assembly to repair the problem.

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Information for Specific Toyota Models

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.

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