Error code
OBD2 P0459
OBD2P0459
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Evaporative Emission System Purge Control Valve Circuit High.
Severity
moderateCan drive but may have emissions issues and potential fuel vapor leaks.
Summary
P0459 indicates an issue with the Evaporative Emission System Purge Control Valve circuit being stuck in a high state, likely due to wiring problems near the valve.
Common Causes
- Wiring short to positive on the EVAP valve
Fixes
- Inspect and repair wiring near the EVAP purge control valve.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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- P0404Exhaust Gas Recirculation Control Circuit Range/Performance
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