Tesla Model S Owners & Service Manuals

Tesla Model S: Battery - Auxiliary - 12V (Dual Motor) (Remove and Replace)

Tesla Model S (2012-2025) Service Manual / Electrical / Battery - Auxiliary - 12V (Dual Motor) (Remove and Replace)

Warning: If the 12V power supply is disconnected, do not attempt to open any doors with door glass in closed position. Failure to follow this instruction could result in door glass shatter.

Note: Before disconnecting the 12V power supply, ensure that the driver's door window is fully open. Failure to follow this instruction could result in vehicle lockout.

Removal

  1. Disconnect 12V and HV power (refer to procedure).
  2. Disconnect the 12V positive connection (torque 5 Nm).
  3. Release the 2 nuts (torque 5 Nm) and 1 bolt (torque 5 Nm) that secure the 12V battery strap.

    Battery - Auxiliary - 12V (Dual Motor) (Remove and Replace)

  4. Remove the battery from the tray.
Installation

Installation procedure is the reverse of removal.

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