Jeep TSB #21-022-20

2020 Jeep Wrangler

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. Customers may experience a loud whistle noise upon engine start up.

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Date Published
MAR 24, 2020
NHTSA TSB #
10175572
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