12V/LV Battery (Remove and Replace)
NOTE: Unless otherwise explicitly
stated in the procedure, the above correction code and FRT reflect all of the work
required to perform this procedure, including the linked procedures. Do not stack correction codes unless
explicitly told to do so.
NOTE: See Flat Rate
Times to learn more about FRTs and how they are created. To provide feedback on
FRT values, email ServiceManualFeedback@tesla.com.
NOTE: See Personal Protection to make sure wearing proper PPE when
performing the below procedure. See Ergonomic Precautions for safe and healthy working practices.
- Model 3 with Lead Acid Battery: Correction code17011202, 0.18
- Model 3 with Li-Ion Battery: Correction code17011232, 0.18
- 2024-11-20: Added a note to remind of checking the 12V/LV battery temperature before performing the procedure.
- 2024-04-10: Added a Note to perform the recovery of the LV battery per Toolbox article prior to its replacement.
- 2023-12-20: Updated configuration steps for Li-Ion battery.
- 2023-10-04: Updated configuration steps for lead acid battery to become a separate activity (correction code 91022407) to be added to the service visit.
- 2023-09-08: Updated Li-Ion Battery procedures according to the latest procedure input.
- 2023-09-07: Updated lead-acid procedure with guidance for changing lead-acid battery types.
- 2023-07-06: Added a video in step 9 of Remove part for Li-Ion Battery.
Torque Specifications
Description | Torque Value | Recommended Tools | Reuse/Replace | Notes |
---|---|---|---|---|
(Lead acid) positive/negative cable to the battery terminal |
![]() 6 Nm (4.4 lbs-ft) |
|
Reuse | |
(Li-Ion) bolts that attach the LV battery to the bracket |
![]() 6 Nm (4.4 lbs-ft) |
|
Reuse | Early production vehicles have M6 bolts with 10 mm bolt head. Torque those to 10 Nm |
Remove Lead Acid Battery
-
Remove the 2nd row lower seat cushion. See Seat Cushion - Lower - 2nd Row (Remove and Replace).
NoteThis step is not necessary for Model 3 vehicles with the heat pump system.
- Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
- Remove the cabin intake duct. See Duct - Upper - Cabin Intake (Remove and Replace).
- Disconnect 12V power. See 12V/LV Power (Disconnect and Connect).
- Remove the cover for the 12V positive terminal.
-
Loosen the nut that attaches
the positive lead to the battery, and then remove the lead from the
battery.6 Nm (4.4 lbs-ft)TIpUse of the following tool(s) is recommended:
- 10 mm deep socket
- ¼ in std ratchet
- 4 in extension
- Remove the 12V battery strap. See Strap - 12V Battery (Remove and Replace).
-
Disconnect the hose from the LH side of the battery, and then remove the battery from the vehicle.
- Write the last 6 digits of the vehicle VIN clearly onto the removed battery so that it can be identified if later needed.
Remove Li-Ion Battery
- Open the LH front door and fully lower the LH front window.
- Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
- Power off the vehicle from the center display.
-
Disconnect the LV battery
connector from the LV battery: release the green locking tab, pull the black connector lock outwards
to release the connector, and then pull up to disconnect the
connector.
-
Disconnect the first
responder loop.
- Wait 2 minutes for the electrical system to fully discharge.
-
Release positive jump
post.
-
Remove LV battery cable
stand off.
-
Remove the bolts (x3) that
attach the LV battery to the vehicle.
-
Remove the LV battery from
the vehicle.
Install Lead Acid Battery
Installation procedure is the reverse of removal, except for the following:
- If replacing a Clarios
(Varta) 12V battery with an AtlasBX 12V battery, or vice-versa, update the
vehicle configuration.NoteThe configuration update can only be performed on vehicles with vehicle software version 2023.32 and newer.NoteIf a configuration update is required, separately add Correction Code 91022407 (Vehicle Configuration Update) to the Service Visit.
- Unlock the vehicle gateway. See Gateway (Unlock).
- In the Service Mode menu, go to .
- Select the type of battery that was installed, and then touch Change Battery Type to Selected.
- Read the prompt, touch Run, and allow the routine to complete.
Install Li-Ion Battery
-
Install the bolts (x3) that
attach the LV battery to the vehicle.5 Nm (3.7 lbs-ft)
-
Install positive jump
post.5 Nm (3.7 lbs-ft)
-
Install LV battery cable
stand off.
-
Connect the first responder
loop.
-
Connect the LV battery
connector to the LV battery: insert the connector, then push the black
connector lock inwards to engage the connector, and then seat the green
locking tab after lock is fully secured.
NoteIf the vehicle does not power up after the LV battery is connected, power up the vehicle with an approved external power supply.
- Enter Service Mode. See Service Mode.
- Unlock vehicle gateway. See Gateway (Unlock).
-
On the vehicle touchscreen,
touch Run to start
the routine.
, and click CAUTIONVehicle software must be FW 2023.44 or later version.NoteOnce the routine is completed, the Mosfet and ECPA will be Closed.
- Reinstall the vehicle firmware. See Software Reinstall - Touchscreen.
- Exit Service Mode.
- Install the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
- Raise the LH front window and close the LH front door.