21-017-25

"Flash: Transmission Control(TCM) Module Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC):
• P0300 - Multiple Cylinder Misfire. NOTE: DTC P0300 will be set in the Powertrain Control Module (PCM). No DTCs will be stored in the TCM. Customers may also experience the following:
• Rough running engine. This bulletin involves reprogramming the TCM with the latest available software"