P2419 Fault Code

Evaporative Emission System Switching Valve Control Circuit Low

• What does that mean?
• Symptoms
• Causes
• Solutions

The P2419 fault code signifies an issue within the Evaporative Emission Control System, specifically related to the switching valve control circuit. This system is crucial for preventing harmful emissions by controlling vapor from the fuel tank. When the control circuit experiences a low voltage condition, it triggers this fault code.

What are the symptoms of the P2419 code?

Drivers may experience a variety of symptoms when this fault code is triggered:

• Check Engine Light (CEL) illuminated on the dashboard.
• Increased fuel consumption due to improper emissions control.
• Foul odors from fuel vapors, especially after refueling.
• Potential fail on emissions tests due to system inefficiency.

What causes the P2419 code?

Several factors can lead to a low voltage condition in the evaporative emission system switching valve control circuit:

• A damaged or frayed wiring harness.
• Corrosion in the electrical connectors.
• A malfunctioning switching valve.
• Issues with the engine control module (ECM) that regulates the control circuit.
• Blown fuses or other electrical faults.

How to fix P2419?

To resolve the P2419 fault code, a systematic approach should be taken:

• Inspect the wiring and connectors for damage or corrosion; repair or replace as needed.
• Test the switching valve for proper operation and replace it if faulty.
• Check the ECM for any software updates or irregularities that may affect the control circuit.
• Ensure all fuses related to the evaporative emission system are intact and functional.