P0456 with upstream o2 reading .9or higher wont complete o2 monitor

[sorsadento]

Replaced fuel cap, canister vent valve, remove and tested purge solenoid, has permanent p0456 , flags p0456 even after evap monitor reads ready. O2 monitor won't set.

 

[sorsadento]

Forgot to mention it's a 2012 2.4l gdi with 118k miles