Home >> Land Rover >> 2013 >> LR4 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Diagnostic Trouble Code Index DTC: Multi-Function Display (MFD) -- LR4/L319 >> Diagnostic Trouble Code Index DTC: Multi-Function Display (MFD) >> Description And Operation >> DTC B10BD-23: Multifunctional Switch - Activation too long - Signal stuck low >> Possible Causes