MasterTuning Fault code dictionary (DTC)

P2420 — Evaporative Emission System Switching Valve Control Circuit High

Severity: Informational Can you drive? With caution: limp mode possible, have it checked soon Make: All makes (OBD-II standard)
MeaningEvaporative Emission System Switching Valve Control Circuit High.
FamilyPowertrain (P)

Frequently asked questions

What does code P2420 mean?

Evaporative Emission System Switching Valve Control Circuit High. Evaporative Emission System Switching Valve Control Circuit High.

Can I keep driving with code P2420 active?

With caution: limp mode possible, have it checked soon

How do you fix code P2420?

Diagnosis starts from reading the live ECU parameters: the code points to the fault area, not to the part to replace. A vehicle-electronics specialist can test the component and clear the code after the repair.

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Where to get it fixed

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