T-SB-0045-13

Some 2010 ? 2011 model year Camry vehicles equipped with a 2AR-FE engine and automatic transmission may exhibit a MIL ?ON? condition with Diagnostic Trouble Code (DTC) P0128 (Coolant Temperature Below Thermostat Regulating Temperature). 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 repair procedure to address this condition.