I have a 2012 Focus - AC works intermittently:
ACP_PRESS PID reports 728kpa at ambient (AC off) = 106 psi (~95F day)
ACP_PRESS cycles between ~1000 (warm air) and 1500 (cold air) = 150/225psi every few mins with AC on
AC is requested at all times
AC is commanded at all times (rules out...