TSB Document:

Affected Component: BACK OVER PREVENTION

Summary
Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. The customer may notice one or more of the following conditions:A loud whistle noise upon engine start up. Rough and/or erratic transmission shifting between gears during normal drive cycles.

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Date Published
MAR 12, 2020
NHTSA TSB #
10175555
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