P2420 P2420 code definition Evaporative Emission (EVAP) Switching Valve Control Circuit High What the P2420 code means The P2420 trouble code indicates that the Engine Control Module (ECM) has detected a malfunction within the switching control circuit of the EVAP...
Hi there. For all of these lights to appear when going over a bump and can be cleared with a computer diagnostic tool, then there is a loose ground on the chassis of your vehicle. Check the battery cables and...
