Affected Component: ELECTRICAL SYSTEM

Date Published
APR 25, 2023
NHTSA TSB #
10236949
TSB Document
Summary
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 - Gear 6 Shift Incorrect Ratio. Other software enhancement: ? Improved vehicle downshift and coast down performance. This bulletin involves reprogramming the TCM with the latest available software.