DTC B11FF-84 A/C Refrigerant Pressure - Signal below allowable range: Action
- Using the manufacturer approved diagnostic system, datalogger, test and review Climate control system/Air conditioning/External ambient temperature. If the external ambient temperature is < 5°C, this DTC should be ignored and cleared. If the external ambient temperature shows > 5°C, test the refrigerant system using a suitable charging station
- Install a new refrigerant pressure sensor as necessary
- Install a new automatic temperature control module as necessary