faults flshing up rfc, ffc, ddm, cdm, cm, bm, air additional heater warning 03, air additional heater fault is this the air dryer filter knackered or the air dryer??
disconnect battery for 10 min then reconnect and retry
if fault still there possible CAN system failure
impossible to guess these types of faults
sorry but you need to do extensive tests on vehicle CAN lines.