Home >> Land Rover >> 2016 >> LR4 Base >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Remote Function Actuator (RFA) -- LR4/L319 >> Diagnostic Trouble Code Index DTC: Remote Function Actuator (RFA) >> Description And Operation >> DTC B10D1-23: Left Front Lock Button - Signal stuck low >> Possible Causes