Home › Land Rover › 2016 › Range Rover Autobiography › Repair and Diagnosis (Single Page) › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Deployable TOWBAR Control Module (DTCM) -- Range Rover/L405 › Diagnostic Trouble Code Index DTC: Deployable TOWBAR Control Module (DTCM) › Description And Operation › DTC U3000-45: Control Module - Program memory failure › Possible Causes