Home >> Land Rover >> 2023 >> Range Rover Velar S >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM) -- Range Rover Velar/L560 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Restraints Control Module (RCM) (G2688338) >> U0080-81: Vehicle Communication Bus F - Invalid serial data received >> Possible Causes