Home › Land Rover › 2016 › LR4 Base › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Integrated Audio Module (IAM) - High Line -- LR4/L319 › Diagnostic Trouble Code Index DTC: Integrated Audio Module (IAM) - High Line › Description Of Operation › DTC U3000-4A: Control Module - Incorrect component installed › Possible Causes