Home >> Land Rover >> 2021 >> Discovery S >> Repair and Diagnosis (Single Page) >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Vehicles With: NAS Specification, DTC: Remote Function ACUATOR (RFA) -- Discovery/L462 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - Vehicles With: NAS Specification, DTC: Remote Function Actuator (RFA) (G2201104) >> DTC B1DDD-13: Auxiliary Passive Entry Low Frequency Transmitter 2 - Circuit open >> Possible Causes