Home › Land Rover › 2013 › Range Rover Sport HSE Lux › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) -- Range Rover Sport/L320 › Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) › Description And Operation › DTC U3001-94: Control Module Improper Shutdown - Unexpected operation › Possible Causes