why is my Tesla Model 3 Highland (2024-present) losing power during acceleration

Solution

1. Preparation

• Gather necessary tools and materials.
• Ensure the vehicle is parked on a level surface and in "Park" mode.
• Disconnect the vehicle from any external power source.

2. Inspect High-Voltage Connections

• Sub-steps:

  1. Remove the underbody panel to access high-voltage wiring.
  2. Visually inspect all high-voltage connections for signs of wear, corrosion, or loose connections.
  3. Tighten any loose connections and replace any damaged cables with OEM parts.

• Tools Required: Socket set, torque wrench.

3. Check Cooling System

• Sub-steps:

  1. Inspect the coolant levels in the battery and motor cooling systems.
  2. Ensure there are no leaks in the cooling hoses and connections.
  3. Replace coolant if it is below the required levels or contaminated.
  4. Verify the operation of the coolant pump.

• Tools Required: Coolant pressure tester, container for fluid disposal.

4. Software Update and Configuration

• Sub-steps:

  1. Connect to the Tesla service tool or app to check for available software updates.
  2. Follow the prompts to install any pending updates.
  3. Reset the vehicle's settings to ensure optimal performance.

• Tools Required: Tesla service tool or mobile app.

5. Conduct Road Test

• Sub-steps:

  1. After repairs, reconnect any disconnected components.
  2. Conduct a road test to monitor power delivery under acceleration.
  3. Pay attention to any warning messages that may reappear.

• Safety Warnings: Ensure all repairs are secure before driving.