Home >> Land Rover >> 2021 >> Defender 90 X-Dynamic S >> Repair and Diagnosis >> Quick Lookups >> Common Specs & Procedures >> Diagnostic Trouble Code Index: Restraints Control Module (RCM) -- Defender/L663 >> Diagnostic Trouble Code Index - DTC: Restraints Control Module (RCM) (G2768847) >> Description And Operation >> Restraints Control Module (RCM) >> DTC B00A0-81: Occupant Classification System - Invalid serial data received >> Possible Causes