2025-11-13

Blower Control FET - Blower Motor - HVAC (Remove & Replace)

Correction code 18103222 FRT 0.36 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 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. NOTE: See Ergonomic Precautions for safe and healthy working practices.

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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.
  • 2025-10-31: Released new procedure.
  1. Open passenger door and roll down window
  2. Open hood
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    Note
    Via center display > Controls > Front Trunk
  3. Remove underhood aprons
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    Note
    4x aprons, LH and RH aprons have 1x clip each
  4. Remove frunk carpet
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    Note
    2x connectors
  5. Remove frunk assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    10x bolts, 10mm, 4 Nm, 10x bolts, 10mm, 7 Nm
  6. Remove frunk assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    10x bolts, 10mm, 4 Nm, 10x bolts, 10mm, 7 Nm
  7. Remove HEPA filter housing
    Informational PurposesAn informational icon, calling your attention
    Note
    Lift up from bottom and pull out, *Note: There may or may not be a filter in housing based on vehicle configuration
  8. Power off vehicle via UI
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    Note
    Via center display > Controls > Safety > Power Off
  9. Disconnect 12V negative terminal and First Responder Loop
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    Note
    1x nut, 10mm, 5 Nm, 1x connector, Wait at least 2 minutes before disconnecting modules or HV components
  10. Remove RH floor mat
    Informational PurposesAn informational icon, calling your attention
    Note
    4x Velcro pads
  11. Partially remove center console side trim for access
  12. Remove RH closeout extension panel
    Informational PurposesAn informational icon, calling your attention
    Note
    22x clips
  13. Remove passenger footwell cover
    Informational PurposesAn informational icon, calling your attention
    Note
    2x clips, 1x connector
  14. Disconnect connector to Blower Controller FET Assembly
  15. Remove Blower Controller FET Assembly
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    Note
    2x Screws, Phillips, Torque 1.2Nm
  16. Install Blower Controller FET Assembly
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    Note
    2x Screws, Phillips, Torque 1.2Nm
  17. Connect blower controller FET assembly
  18. Reinstall passenger-side trim panel to center console
    Informational PurposesAn informational icon, calling your attention
    Note
    2x clips
  19. Reinstall carpeted close out panel
    Informational PurposesAn informational icon, calling your attention
    Note
    22x clips
  20. Connect first responder loop and then 12V negative terminal
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    Note
    1x connector, 1x nut, 10mm, 5 Nm
  21. Install HEPA filter housing
    Informational PurposesAn informational icon, calling your attention
    Note
    Align opening on back of housing to HEPA filter outlet duct opening, *Note: There may or may not be a filter in housing based on vehicle configuration
  22. Install frunk assembly
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    Note
    10x bolts, 10mm, 4 Nm, 10x bolts, 10mm, 7 Nm, Hand start all bolts first then tighten with tools
  23. Remove frunk assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    10x bolts, 10mm, 4 Nm, 10x bolts, 10mm, 7 Nm
  24. Install frunk carpet
    Informational PurposesAn informational icon, calling your attention
    Note
    2x connectors
  25. Install under hood aprons
    Informational PurposesAn informational icon, calling your attention
    Note
    4x aprons
  26. Close hood
    Informational PurposesAn informational icon, calling your attention
    Note
    Press firmly in green highlighted areas (see image), Damage may result from pressure elsewhere on hood
  27. Close passenger window and door