18-077-14

Flash: 3.6L Diagnostic And System 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 one of the following Diagnostic Trouble Code has been set: P0607 - ECU Internal Performance 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. Scan tool improved accuracy on mode 6, cylinder imbalance.