P2451 - EVAP System Switching Valve Stuck Closed
DTC DESCRIPTION P2451 - EVAP SYSTEM SWITCHING VALVE STUCK CLOSED
| Description: | The PCM commands the fuel tank isolation valve (FTIV) open while a vacuum is present in the fuel tank. If the FTIV does not open, the vacuum in the tank remains. This DTC sets when the rate of loss is less than a calibrated threshold. | ||
| Possible Causes: |
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| Diagnostic Aids: | Retrieve all continuous memory and on-demand self-test DTCs from the PCM. Diagnose and repair circuit DTC P2418 or any FTP sensor concerns before diagnosing this performance DTC. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test HX. | ||