Home >> Land Rover >> 2015 >> LR2 Base >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM) -- LR2/L359 >> Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM) >> Description And Operation >> DTC B0004-1A: Driver Knee Bolster Deployment Control - Circuit resistance below threshold >> Possible Causes