Some 2014 model year Corolla vehicles equipped with the 2ZR-FAE engine may exhibit a MIL ?ON? condition with either one or both of the following Diagnostic Trouble Codes (DTCs):. P2646 ? A Rocker Arm Actuator System Performance or Stuck Off (Bank 1). P265B ? B Rocker Arm Actuator Position Sensor Circuit Range Performance (Bank 1) The Engine Control Module (ECM, SAE term: Powertrain Control Module/PCM) calibration has been revised. Use the following Repair Procedure to address this condition.
