Flash: Transmission Control Module (TCM) Updates
Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation
the technician may find the following Diagnostic Trouble Code (DTC) has been set:
? P0729-00 - Automatic Transmission 6th Gear Incorrect Ratio.
The customer may also experience one or more of the following:
? Vehicle is in limp mode.
? Rough shift.
This bulletin involves reprogramming the TCM with the latest available software.