how to fix transmission jerking in Tesla Model S Plaid/Refresh (2021-present)

Solution

1. Software Update

• Access the vehicle's interface and navigate to the software update section.
• Ensure the vehicle is connected to Wi-Fi and check for any available updates.
• Download and install the software updates to improve drivetrain performance.

2. Inspect and Replace Motor Mounts

• Tools Required: Socket set, torque wrench, pry bar
• Sub-steps:
  1. Ensure the vehicle is parked on a flat surface and engage the parking brake.
  2. Disconnect the 12V battery to prevent electrical shorts.
  3. Lift the vehicle using a jack and secure it with jack stands.
  4. Locate the motor mounts attached to the electric motor and inspect for cracks or excessive wear.
  5. If damaged, remove the old motor mounts using a socket set and install new ones, tightening to manufacturer specifications.

3. Check and Tighten Connections

• Tools Required: Socket set, multimeter
• Sub-steps:
  1. Reconnect the 12V battery.
  2. Inspect all electrical connections to the electric motor and ensure they are tight and free of corrosion.
  3. Use a multimeter to check voltage levels at the battery terminals and motor connections to ensure they are within specifications.

4. Perform a Drivetrain Calibration

• Tools Required: Tesla diagnostic tool (if available)
• Sub-steps:
  1. Access the service menu on the Tesla interface.
  2. Navigate to the drivetrain calibration section.
  3. Follow the prompts to recalibrate the electric motor and drivetrain settings.