21-044-15

Flash: Transmission Shift And Drivability Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): ? P0887-00 -Transmission Fluid Temperature Sensor A Circuit Range-Performance ? P1CC9-00 - Unable to Engage Gear ? P1D98-00 - Incorrect Gear Ratio Clutch B or D Defective ? P0711-00 - Transmission Fluid Temperature Sensor A Circuit Range-Performance ? U0401-00 - Implausible Data Received From The ECM-PCM