Tesla Model 3: 12V Battery and Fuses
Tesla Model 3 2017-2026 Service Manual / Electrical / 12V Battery and Fuses
- 12V Power (Disconnect and Connect)
- Battery - 12V (Remove and Replace)
- Beam - 12V Battery (Dual Motor) (Remove and Replace)
- Beam - 12V Battery (RWD) (Remove and Replace)
- Bracket - 12V Battery (Dual Motor) (Remove and Replace)
- Bracket - 12V Battery (RWD) (Remove and Replace)
- Strap - 12V Battery (Remove and Replace)
- Vehicle Electrical Isolation Procedure
- Vent Hose - 12V Battery (Remove and Replace)
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12V Power (Disconnect and Connect)
12V Power- Disconnect
SPECIAL TOOLS
Cap, Logic Conn, Inv, 3DU (1108272-00-B)
Warning: This procedure disables 12V power, but does not verify that
high voltage power is no longer available to high v
SEE MORE:
Vent Assembly - HV Battery - LH (Remove and Replace)
Vent Assembly - HV Battery - LH- Remove
Remove
Use Toolbox to put the vehicle into Factory Mode.
Invoke diagnostics on the touchscreen.
Inspect the Notifications for either a BMS_a123 or a BMS_W123 alert.
If:
Either alert is present - Contact Service Engineering. Do not perform
this proced
Harness - 12V Battery Ground (Remove and Replace)
Harness - 12V Battery Ground-Remove
Remove
Remove the cowl screen panel. See
Panel - Cowl Screen (Remove and Replace).
Remove and discard the nut that attaches the front harness ground wire
to the 12V battery ground harness, and remove the wire from the harness.
Remove the 12V auxiliary
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