Tesla Model S Owners & Service Manuals

Tesla Model S: HV Junction Box - Reed Switch - 1st Generation (Remove and Replace)

Tesla Model S (2012-2025) Service Manual / High Voltage System / HV Junction Box - Reed Switch - 1st Generation (Remove and Replace)

Note: This procedure only applies to vehicles with the 1st generation High Voltage Junction Box.

Special tools required for this procedure:

Supplier Part Number Description
Bosch 223-28550-TSL Wiha (Torque Screwdriver .1 - .6Nm)
Removal
  1. Perform the vehicle electrical isolation procedure (refer to procedure).
  2. Remove the HVJB cover (refer to procedure).
  3. Disconnect the reed switch from the master charger.

    HV Junction Box - Reed Switch - 1st Generation (Remove and Replace)

  4. Release the bolts (x2) that secure the reed switch to the HVJB (torque 0.44 Nm / 3.89 in-lbs). Remove the reed switch from the vehicle.

    HV Junction Box - Reed Switch - 1st Generation (Remove and Replace)

Installation

Installation procedure is the reverse of removal.

Caution: Use the Wiha torque screw driver or an equivalent tool to secure the reed switch to the HVJB.

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