Tesla Model S Owners & Service Manuals

Tesla Model S: Pyrotechnic Fuse (Remove and Replace)

Tesla Model S (2012-2026) Service Manual / Safety and Restraint / Pyrotechnic Fuse (Remove and Replace)

Warning: Prior to disconnection of 12 volt power supply, ensure driver's door glass is in the fully open position. Failure to follow this instruction could result in vehicle lockout.

Warning: If 12 volt power supply is disconnected, do not attempt to open any doors with door glass in closed position. Failure to follow this instruction could result in door glass shatter.

Removal

  1. Power the vehicle off from the MCU.
  2. Disconnect 12V power.
    • Rear wheel drive (RWD): Refer to procedure.
    • Dual Motor: Refer to procedure.
  3. Remove the pollen filter rear housing:
    1. If equipped, release the 2 barrel clips that secure the HV harness to the bulkhead.
    2. Loosen the top right nut that secures the pollen filter rear housing to the bulkhead (torque 6 Nm).

       Note: It is not necessary to completely remove the nut; the tab on the housing is notched.

      Pyrotechnic Fuse (Remove and Replace)

    3. Remove the remaining nuts (x3) that secure the pollen filter rear housing to the bulkhead (torque 6 Nm).

      Note: The 2 lower nuts secure the HVAC intake drain diverter.

      Pyrotechnic Fuse (Remove and Replace)

  4. Remove the nuts (x2) that secure the fuse box cover (torque 3 Nm).

    Pyrotechnic Fuse (Remove and Replace)

  5. Ensure that there is no power going to the pyrotechnic fuse.
  6. Remove the nuts (x2) that secure the pyrotechnic fuse (torque 12 Nm). Disconnect the pyrotechnic fuse connector.

    Pyrotechnic Fuse (Remove and Replace)

  7. Remove the pyrotechnic fuse from the vehicle.

    Pyrotechnic Fuse (Remove and Replace)

Installation

Installation procedure is the reverse of removal.

    READ NEXT:

     Sensor - Intrusion - Door - Front (Remove and Replace)

    Removal Remove door trim panel (refer to procedure) Remove screws (x2) securing impact sensor to door (torque 5 Nm). Disconnect sensor harness connection.

     Sensor - Impact - Front (Remove and Replace)

    Warning: To avoid personal injury, observe all relevant safety precautions before removing or testing any SRS components. Removal Remove the underhood storage unit:

     Sensor - Impact - B Pillar (Remove and Replace)

    Removal Remove the B-pillar lower trim (refer to procedure). Disconnect the impact sensor harness connector. Remove the bolt that secures the impact sensor to the B-pillar (torque

    SEE MORE:

     Front Drive Unit (From Above) (Remove and Install) - Installation

    Installation Use alcohol wipes to clean the mating surfaces between the RH motor mount and drive unit. Ensure that the support jack is secured to the front crossmember. With an assistant, lower the motor on the crane while pushing it into the vehicle.

     Recover Refrigerant and Verify Charge

    Note: Before beginning this section, complete the "Set Up HVAC Machine" section. Connect a laptop with Toolbox to the vehicle. Remove the rear underhood apron (refer to procedure). Remove the dust caps from the vehicle's high-side and low-side service ports.

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