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Jeep TSB #21-023-20

2020 Jeep Wrangler

TSB Document:

MC-10175571-9999.pdf

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 #: 10175571

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