Jeep TSB #21-036-19

2020 Jeep Grand Cherokee

TSB Document:

Affected Component: ELECTRICAL SYSTEM

Summary
Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. The customer may notice the following condition: Rough and/or erratic transmission shifting between gears during normal drive cycles.

Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. The customer may notice the following condition: Rough and/or erratic transmission shifting between gears during normal drive cycles.

Date Published
OCT 23, 2019
NHTSA TSB #
10168475
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