Home › Land Rover › 2015 › LR4 Base, AWD › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Parking Aid Control Module (PACM) -- LR4/L319 › Diagnostic Trouble Code Index DTC: Parking Aid Control Module (PACM) › Description And Operation › DTC U3000-47: Control Module - Watchdog/safety Micro-Controller failure › Possible Causes