EVAP System Switching Valve Control Circuit Low
The P2419 code means the vehicle's onboard diagnostic system has detected: EVAP System Switching Valve Control Circuit Low. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- moderate
- Estimated cost
- $75 - $350 (parts and labor)
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What Are the Symptoms of P2419?
- Check Engine Light on
- Failed emissions test
- No drivability issues
- EVAP readiness monitor incomplete
- Fuel vapor smell possible near engine
What Causes P2419? (Most Likely First)
- Short to ground in EVAP valve wiring Very High
- Failed EVAP switching valve (shorted coil) High
- Corroded valve connector with low resistance Moderate
- ECM driver circuit fault Low
Can I Still Drive with P2419?
Yes, but fix soon. P2419 is rated low severity. It is not an immediate stop-driving fault, but it will not clear itself — book the repair rather than ignoring the light.
Frequently Asked Questions
Can I drive with code P2419?
Yes, safe to drive. This emissions code does not affect engine performance or vehicle safety.
What causes P2419?
Usually a shorted EVAP solenoid or wiring that has been damaged. The solenoid is an inexpensive and easy-to-replace part.
Is P2419 expensive to fix?
Typically $75 to $350. Solenoid replacement is the most common and affordable repair.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose P2419?
-
Measure EVAP valve solenoid resistance (compare to specification)
-
Check wiring for short to ground between ECM and valve
-
Inspect valve connector for corrosion or water damage
-
Command valve operation with scan tool and verify response
-
Check for voltage at valve connector
Sources 2
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines the generic OBD-II code ranges)
- Cross-checked against the SAE J2012:2002 DTC table (2026-08-27)archived scan of the SAE standard — readable copy, not SAE’s current edition
Which Vehicles Commonly Get P2419?
- 2012-2020 Subaru Legacy
- 2013-2021 Toyota RAV4
- 2014-2022 Honda Accord
- 2011-2019 Mazda3
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