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Home >> Tesla >> 2021 >> Model S Long Range Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 65 (Rear Drive Unit -- Model S) >> Rear Drive Unit Assembly >> Drive Unit - Rear - Small - Remove And Replace >> Installation
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Drive Unit - Rear - Small - Remove And Replace: Installation

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2020 Tesla Model S, 2019 Tesla Model S, 2018 Tesla Model S, 2017 Tesla Model S, and 2016 Tesla Model S. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the small rear drive unit. See DRIVE UNIT - REAR - SMALL (REMOVE AND INSTALL) .
  2. Update the vehicle firmware. See Firmware Update .
  3. Connect a laptop to the diagnostic port of the vehicle, and then use Toolbox 3 to locally connect to the vehicle. See TOOLBOX 3 - CONNECT AND DISCONNECT .
  4. Unlock the vehicle gateway for diagnostic communication. See GATEWAY UNLOCK .
  5. Using Toolbox 3:
    1. Select the Actions  tab and search for "immobilizer reset".
    2. Select the ODIN routine PROC_DI_X_IMMOBILIZER-RESET, and then click the link of the routine
    3. Click RUN,  and allow the routine to complete.
  6. For China, Japan and Korea only: Carefully remove the old motor label from the hood, and install a new motor label to match the new motor information.
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