Home › Land Rover › 2015 › LR4 Base, AWD › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM) -- LR4/L319 › Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM) › Description And Operation › DTC U0455-56: Invalid Data Received From Restraints Occupant Classification System Module - Invalid/incomplete configuration › Possible Causes