DTC B11FF-84: A/C Refrigerant Pressure - Signal below allowable range: Action
- Check the timestamp for the DTC to see if it was set during cold ambient conditions (below 9 degrees C (49 degrees F). If so allow the vehicle to warm soak to verify the DTC was set correctly
- Check the refrigerant system using a suitable charging station
- Check the air conditioning compressor for correct operation
- Check and install a new refrigerant pressure sensor as required
- Check and install a new refrigerant solenoid as required
- Check and install a new automatic temperature control module as required