P2419

EVAP System Switching Valve Control Circuit Low

Q: Is it safe to drive with P2419?

Yes. It affects the EVAP system, not drivability. Repair it to pass emissions and keep fuel vapor contained.

Q: Can I just clear P2419?

You can, but it returns until the valve, its wiring, or the control circuit is fixed.

Evaporative emissions (EVAP) Generic OBD-II Low

What it means

P2419 means the ECM detected low voltage on the control circuit for the evaporative emissions (EVAP) switching valve — typically a short to ground or an open. That valve routes vapor during EVAP self-tests, so the fault is about emissions control rather than how the car drives. The usual causes are a failed valve, wiring or connector damage, or a control-circuit fault.

Low

Can I keep driving? Yes — the car drives normally; this is an emissions-monitoring fault, not a performance problem.

Real-world scan data

Seen in

280

scans in the past year

Found in

<0.1%

of scans

0.1%

of scans that found faults

Appears alongside · share of P2419 scans

P2401in 98.2% of scans

P2402in 97.9% of scans

P043Fin 97.5% of scans

Figures reflect only diagnostic scans recorded through our own apps and tools. Cars are typically scanned because a symptom or warning light prompted it, so these counts describe our scan records — not the incidence of faults in any model, and not the quality, reliability, or safety of any vehicle. No comparison between manufacturers or models is implied. All trademarks belong to their respective owners; no affiliation or endorsement is implied.

Common symptoms

What you'll notice

Check-engine light on
No noticeable change in how the engine runs
Possible faint fuel odor
May fail an emissions test

Common causes

Most likely first

EVAP switching valve control circuit shorted to ground or openLikely
Faulty EVAP switching valveCommon
Damaged wiring or a corroded connector at the valveCommon
Poor ground or driver-circuit fault in the PCM/ECMLess often

How to diagnose & fix

Work through it in order

Read freeze-frame, then inspect the switching valve connector and wiring for a short to ground or open.
Measure the valve's resistance and compare to spec.
Check the control circuit and ground back to the ECM.
Replace the EVAP switching valve if it has failed.
Clear the code and re-test over a drive cycle.

FAQ

Quick answers

Is it safe to drive with P2419?+

Yes. It affects the EVAP system, not drivability. Repair it to pass emissions and keep fuel vapor contained.

Can I just clear P2419?+

You can, but it returns until the valve, its wiring, or the control circuit is fixed.

Read & clear P2419 yourself

Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.

▶ Get it on Google Play

✓ Verified name — SAE J2012 / ISO 15031-6Guidance reviewed by OBD DashX