2024-06-04

Fuse - Heat Pump - HV Battery (Structural Pack) (Remove and Replace)

Correction code 16304012 1.68 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.

Warning IconA warning icon, calling your attention to a possibly risky situation
Warning
This procedure is a DRAFT. Although it has been validated, Warnings and Cautions might be missing. Follow safety requirements and use extreme caution when working on or near High Voltage systems and components.

Remove

  1. Open all the doors and lower all the windows.
  2. Place the vehicle into Service Mode. See Service Mode.
  3. Remove the ancillary bay cover. See Cover - Ancillary Bay (Structural Pack) (Remove and Replace).
  4. Remove the pyrotechnic battery disconnect. See Pyrotechnic Battery Disconnect (Structural Pack) (Remove and Install).
  5. Release the tabs that secure the 63A fuse cover to the vehicle, and then remove the cover from the assembly.
  6. Remove and discard the nuts (x2) that attach the 63A fuse to the ancillary bay, and then remove the fuse from the ancillary bay.
    2.5 Nm (1.8 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 8 mm socket

Install

  1. Position the 63A fuse into the ancillary bay, and then install new nuts (x2) that attach the fuse to the ancillary bay.
    2.5 Nm (1.8 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 8 mm socket
  2. Use a Hioki resistance meter to measure the resistance between the 63A fuse and the terminal.
    Informational PurposesAn informational icon, calling your attention
    Note
    The maximum acceptable resistance is 0.105 mΩ (105 μΩ). There is too much resistance in the High Voltage joint. Remove the fastener, clean areas with isopropyl alcohol, install fastener back and test again
  3. Use a Hioki resistance meter to measure the resistance between the 63A fuse and the auxiliary jumper busbar.
    Informational PurposesAn informational icon, calling your attention
    Note
    The maximum acceptable resistance is 0.105 mΩ (105 μΩ). There is too much resistance in the High Voltage joint. Remove the fastener, clean areas with isopropyl alcohol, install fastener back and test again
  4. Install the 63A fuse cover.
  5. Measure the voltage across the pyrotechnic battery disconnect mount points, and then install the pyrotechnic battery disconnect. See Pyrotechnic Battery Disconnect (Structural Pack) (Remove and Install).
  6. Install the ancillary bay cover. See Cover - Ancillary Bay (Structural Pack) (Remove and Replace).
  7. Exit Service Mode. See Service Mode.
  8. Remove the vehicle from the lift. See Raise Vehicle - 2 Post Lift.
  9. Raise all the windows and close all the doors.