1805814a

Flash: MIL Illumination, P0141 Oxygen Sensor 1/2 Heater Performance This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest software. The customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find Diagnostic Trouble Code (DTC) P0141 Oxygen Sensor 1/2 Heater Performance. Improved reverse lamp activation time (auto trans only).