TSB Document:

Affected Component: ELECTRICAL SYSTEM:SOFTWARE

Summary
Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DTC:P0733-00 - Gear 3 Shift Incorrect Ratio. The following software enhancements are available:Harsh garage shift engagements in to, either reverse or drive resultingin excessive shift bump. While in hill descent control, utilizing Electronic Range Select (ERS) buttons to modulate speed, the ERS buttons give a lower or highergear than required/desired. Under light to medium brake maneuvers on flat ground, customer complains of harsh4-3 (lines up to with ECO mode transition).

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Date Published
MAR 06, 2020
NHTSA TSB #
10175133
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