2543 A/C 2 Coolant Pressure Fault. To ch ~~~~~ 2543 A/C 2 Coolant Pressure Fault. To check & rectify.  #2543 AC 2-1 FOUND LOW FREON. TOP UP FREON, WITHIN CRETERIA, FUNCTION CHECK OK. MONITOR FOR 1HRS. AC ABLE TO CUT IN/OUT ESWARAN. ,24.06.2020.