Tesla Model S: Disconnect 12V Power (Dual Motor)
Tesla Model S (2012-2025) Service Manual / Electrical / Disconnect 12V Power (Dual Motor)
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.
Disconnect
- Open the front trunk.
- Turn off the climate control system.
- Fully open the driver's window.
- Close all doors.
- Remove the underhood storage unit (refer to procedure).
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.
- Disconnect the 12V battery ground connection (torque 5 Nm).
- Disconnect the first responder loop (X536). Do not cut the loop.
- Wait at least 2 minutes for all electrical circuits to fully discharge. Warning: Before working on any high voltage components, perform the Electrical Isolation Procedure (refer to procedure).
Note: Connect is reverse of disconnect.
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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
shat
Battery - Auxiliary - 12V (RHD) (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
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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
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SEE MORE:
Setup
Warning: Only technicians who have been trained in High
Voltage Awareness are permitted to perform this procedure. Proper
personal protective equipment (PPE) and insulating HV gloves with a
minimum rating of class 00 (500V) must be worn any time a high
voltage cable is handled. Refer
Drop Link - Sway Bar - Rear - LH (Remove and Replace)
Removal
Remove the road wheel (refer to procedure).
Remove the nut that secures the sway bar drop link to the lower
control arm (torque 70 Nm).
Caution: To prevent ball joint damage, always hold the
ball joint pin with a wrench while loosening or tigh
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