FLASH: MIL Illumination For P0730 - Incorrect Gear Ratio
This bulletin involves updating the Transmission Control
Module (TCM) software.
Customers may indicate that the MIL is illuminated and/or
the transmission went into limp-in. Upon further investigation, Diagnostic
Trouble Code (DTC) P0730 - Incorrect Gear Ratio is either active
or stored in the PCM?s memory.