Home >> Land Rover >> 2014 >> LR4 Base, 4WD >> Repair and Diagnosis >> Restraints >> Seat Belts >> Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM) -- LR4/L319 >> Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM) >> Description And Operation >> DTC B0090-81: Left Frontal Restraints Sensor - Invalid serial data received >> Possible Causes