Flash: Transmission Shift And Drivability Enhancements
This bulletin involves reprogramming the Transmission Control Module (TCM) with the
latest available software.
Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon
further investigation, a technician may find the following Diagnostic Trouble Code (DTC)
stored in the TCM memory:
· P1CC9 - Unable To Engage Gear.
