18-037-14 REV. B

Flash: 6.4L Powertrain Diagnostic And System Improvements For MIL Illumination 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 Code has been set: * P2096 - Downstream Fuel Trim System 1 Lean. * P2097 - Downstream Fuel Trim System 1 Rich. * P2098 - Downstream Fuel Trim System 2 Lean. * P2099 - Downstream Fuel Trim System 2 Rich. * P0300 - Multiple Cylinder Misfire (set during engine warm-up)