Some 2013 model year FR-S vehicles may exhibit a MIL ?ON? condition with one of the following Diagnostic Trouble Codes (DTCs): P0017 or P0019 (?Cam Sensor Correlation?). The Engine Control Module/ECM (SAE term: Powertrain Control Module/ PCM) logic has been revised to address this condition. Use the following repair procedure to determine if ECM (PCM) replacement or reprogramming is required.