18-015-14

Flash: Malfunction Indicator Lamp (MIL) Illumination. Includes Various Driveability Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Codes have been set: P0300 - Multiple Cylinder MisfireThe P0300 improvement only applies to vehicles using a block heater in ambient temperatures greater than -20°F(-29°C). P0606 - Internal Control Processor P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1This release also contains the following improvements: (applies only to LC vehicles) Accuracy improvements for the Automatic Oil Change Indicator (AOCI) system.