P0459 OBD II Trouble Code EVAP Emission Purge Control Valve Circuit High

How to diagnose, repair, as well as symptoms and causes of a P0459 trouble code which is a high circuit condition in the EVAP emission purge control valve circuit. Also includes links to relevant forum topics on the code.

Symptoms of P0459 OBD II Trouble Code

Common Causes of P0459 OBD II Trouble Code