Tesla Model X: Heater - Rear PTC (Remove and Replace)

Warning: Only technicians who have been trained in High Voltage Awareness are permitted to perform this procedure. Proper personal protective equipment (PPE) and insulating HV gloves with a minimum rating of class 00 (500V) must be worn any time a high voltage cable is handled. Refer to Tech Note TN-15-92-003, "High Voltage Awareness Care Points" for additional safety information.

Removal

1. Perform the electrical isolation procedure (refer to procedure).
2. Remove the RH rear trunk carpet and trim assembly (refer to procedure).
3. Disconnect the 12V electrical connector from the top of the PTC heater.

    

4. Disconnect the HV cable from the rear of the PTC heater.

    

5. Remove the screws (x2) that secure the cargo hook bracket to the vehicle (torque 9 Nm). Remove the cargo hook bracket.
6. Remove the screws (x3) that secures the PTC heater to the standoffs on the rear HVAC casing (torque 1.2 Nm).

    

7. Carefully remove the PTC heater from the HVAC casing.
8. Remove the rear PTC heater from the vehicle.

    

Installation procedure is the reverse of removal, except for the following:

Caution: Replace all Patchbolt(s).

• Clean the interior of the HVAC casing prior to assembly.
• Use Toolbox to update or redeploy the firmware.