TSB Document:

Affected Component: ELECTRICAL SYSTEM

Summary
Flash: Drivetrain Control Module (DTCM) Updates This bulletin involves reprogramming the DTCM with the latest available software. The customer may request to have the feature enabled which adds the ability to lock the rear axle differential, while 4-HI Off Road+ mode.

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Date Published
MAR 03, 2021
NHTSA TSB #
10220937
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