Home › Land Rover › 2021 › Range Rover Evoque S › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: CHASIS Control Module (CHCM) -- Range Rover EVOQUE/L551 › Diagnostic Trouble Code Index - DTC: Chassis Control Module (CHCM) (G2309000) › Description And Operation › Chassis Control Module (CHCM) › DTC U0300-57: Internal Control Module Software Incompatibility - Invalid/incomplete software component › Possible Causes