1648-AC1-1 COOLANT PRESSURE FAULT.TO ~~~~~ 1648 - AC 1-1 COOLANT PRESSURE FAULT.  1648 A/c 1-1 FC A/c 1 HLPS. TIMS coolant pressure fault. Checked freon pressure 0 PSI. Vacuum system and charged freon to 40/120PSI. Checked CCU no leakages. Monitored no coolant pressure fault. OPS 20 to check evap for leakages.  Lee JC 45204 1648-AC1-1 To Check Evaporator For Leak