4020 - Rear Inverter Large Drive Unit Inverter Isolation Check Correction code 40200500 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 LaborTimeFeedback@tesla.com. NOTE: See to make sure wearing proper PPE when performing the below procedure. Parent topic: 40 - REAR DRIVE UNIT