Home >> Land Rover >> 2017 >> Discovery SE >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM) -- Discovery/L462 >> Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM) >> Description And Operation >> DTC B0090-13: Left Frontal Restraints Sensor - Circuit open >> Possible Causes