why does my Tesla Model 3 Highland (2024-present) have a rough idle at startup

Solution

1. Software Update

• Check for Updates:
  • Navigate to the vehicle settings on the touchscreen.
  • Select 'Software' and check for any available updates.
• Install Updates:
  • If an update is available, follow the prompts to download and install it.

2. Battery Health Check

• Diagnostics:
  • Use the Tesla app to get a detailed report on battery health.
  • If battery health is below optimal levels, consider scheduling a service appointment.

3. Resetting Vehicle Systems

• Perform a Soft Reset:
  • Press and hold both scroll wheels on the steering wheel until the touchscreen reboots.
  • Wait for the Tesla logo to appear, then release the scroll wheels.

4. Inspecting Hardware

• Visual Inspection:
  • Open the frunk and check for any visible signs of wear or damage on electrical components.
  • Ensure that connectors are secure and free from corrosion.
• Torque Specifications:
  • If any components were loose, refer to the service manual for proper torque specifications when reassembling.

5. Professional Diagnosis

• Schedule Service:
  • If issues persist, contact Tesla support to have the vehicle inspected with specialized diagnostic tools.