19/11/2024 22:11:18

LV Battery (Remove and Replace)

Correction code 1702010012 FRT 0.18 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 LaborTimeFeedback@tesla.com. NOTE: See Personal Protection to make sure wearing proper PPE when performing the below procedure.

  • 2024-11-20: Added a note to remind of checking the 12V/LV battery temperature before performing the procedure.
  • 2024-10-30: Added a Note about replacing the LV battery with different types.
  • 2024-04-10: Added a Note to perform the recovery of the LV battery per Toolbox article prior to its replacement.
  • 2023-12-4: Updated configuration steps for different types of Li-Ion battery.
Warning IconA warning icon, calling your attention to a possibly risky situation
Warning
Before performing the following procedure, make sure the 12V/LV battery temperature is not overheated.

Torque Specifications

Table 1. Torque Specifications: LV Battery (Remove and Replace)
Description Torque Value Recommended Tools Reuse/Replace Notes
Bolt that secures the positive jump post to the LV battery bracket
5 Nm (3.7 lbs-ft)
  • 4 in extension
  • 8 mm socket
  • Cordless 1/4in Dr Ratchet
 Reuse
Bolts (X3) that secures the LV battery
6 Nm (4.4 lbs-ft)
  • 4 in extension
  • 8 mm socket
  • Cordless 1/4in Dr Ratchet
 Reuse

Remove

Informational PurposesAn informational icon, calling your attention
Note
The LV battery may not need to be replaced. Attempt to recover the LV battery first before determining that the LV battery needs replacement. Refer to Toolbox article 6249900 for more information.
  1. Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
  2. Power off the vehicle from the center display.
  3. Disconnect the LV battery connector from the LV battery: release the green locking tab, press the black connector (if applicable, on 16V battery), pull the black connector lock outwards to release the connector, and then pull up to disconnect the connector.
  4. Disconnect the first responder loop.
  5. Wait 2 minutes for the electrical system to fully discharge.
  6. Remove the bolt that secures the positive jump post to the LV battery bracket.
    Tip: Use of the following tool(s) is recommended:
    • 4 in extension
    • 8 mm socket
    • Cordless 1/4in Dr Ratchet
  7. Remove the bolts (x3) that attach the LV battery to the vehicle.
    Tip: Use of the following tool(s) is recommended:
    • 4 in extension
    • 8 mm socket
    • Cordless 1/4in Dr Ratchet
  8. Remove the LV battery from the vehicle.

Install

  1. Install the bolts (x3) that attach the LV battery to the vehicle.
    6 Nm (4.4 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    Note
    Both the silver-cased NMC Li-Ion LV battery variant and the black-cased LFP Li-Ion LV Battery variant are compatible.
    Tip: Use of the following tool(s) is recommended:
    • 4 in extension
    • 8 mm socket
    • Cordless 1/4in Dr Ratchet
  2. Secure the bolt that secures the positive jump post to the LV battery bracket.
    5 Nm (3.7 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 4 in extension
    • 8 mm socket
    • Cordless 1/4in Dr Ratchet
  3. Connect the first responder loop.
  4. 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.
    Informational PurposesAn informational icon, calling your attention
    Note
    If the vehicle does not power up after the LV battery is connected, power up the vehicle with an approved external power supply.
  5. Enter Service Mode. See Service Mode.
  6. Unlock vehicle gateway. See Gateway Unlock.
  7. On the vehicle touchscreen, touch Low Voltage > Power Distribution > Battery Icon > Learn New Battery, and click Run to start the routine.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Vehicle software must be FW 2023.44 or later version.
    Informational PurposesAn informational icon, calling your attention
    Note
    Once the routine is completed, the Mosfet and ECPA will be Closed.
  8. Only if the replacement battery is CATL_LI_ION: reinstall the vehicle software. See Software Reinstall - Touchscreen.
    Informational PurposesAn informational icon, calling your attention
    Note
    You can read the battery configuration via service UI > Low Voltage > Power Distribution > Li-Ion LV battery > Config.
  9. Exit Service Mode. See Service Mode.
  10. Install the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).