Some 2010 ? 2012 model year IS 250 and IS 250C vehicles equipped with automatic transmissions may exhibit a MIL ?ON? condition with Diagnostic Trouble Codes (DTCs) P014C, P014D, P014E, or P014F present. The Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition occurring. Use the following procedure to reprogram the ECM (PCM).
