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).
? P0711 - Transmission Fluid Temperature Sensor A Circuit Range-Performance
? P0887 - TCM Power Control Circuit High
? P1CC9 - Unable to Engage Gear
? P1D98 - Incorrect Gear Ratio Clutch B or D Defective
? U0401 - Implausible Data Received From ECM-PCM
