Home >> Land Rover >> 2015 >> LR2 Base >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Diagnostic Trouble Code Index DTC: Driver/Passenger Door Control Module (DDM/PDM) -- LR2/L359 >> Diagnostic Trouble Code Index DTC: Driver/Passenger Door Control Module (DDM/PDM) >> Description And Operation >> DTC B1C39-29: Key lock Switch - Signal invalid >> Possible Causes