P2422 Code Definition
P2422 EVAP System Vent Valve Stuck Closed
What Does the Engine Code P2422 Mean?
Character "P" in the first position of Diagnostic Trouble Code (DTC) represents the powertrain system (engine and transmission), "2" in the second position means that this is a ISO/SAE controlled OBD-II (OBD2) DTC. "4" in the third character position in a DTC indicates that the auxiliary emission controls system is experiencing a malfunction. The last two characters "22" is DTC number. OBD2 Diagnostic Trouble Code P2422 means that EVAP System Vent Valve Stuck Closed has been detected.
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How Serious Is the Code P2422?
For now, this issue is not serious. Carly recommends you to check this issue on a regular basis and check if it gets worse later on.