why does my Tesla Model 3 Highland (2024-present) have a burning smell?

Solution

1. Preparation

• Tools Required: OBD-II scanner, multimeter, basic hand tools.
• Disconnect the 12V battery to ensure safety while inspecting electrical components.
• Allow the vehicle to cool down before performing any inspections.

2. Inspect Brake System

• Sub-steps:
  1. Remove the wheel using a socket set.
  2. Inspect brake pads and rotors for excessive wear or glazing.
  3. Replace brake pads if they are worn down to the indicator.
  4. Check brake fluid level and condition; replace if contaminated.

3. Examine High-Voltage Components

• Sub-steps:
  1. Inspect high-voltage battery cables for fraying or damage.
  2. Use a multimeter to check for electrical shorts in connectors.
  3. Tighten any loose connections and replace any damaged wiring.

4. Test Electric Motor

• Sub-steps:
  1. Locate the electric motor and check for any signs of overheating or burning.
  2. Inspect motor mounts and connections for wear.
  3. If necessary, consult service manual for motor testing procedures.

5. Address Cabin Air Filter

• Sub-steps:
  1. Remove the cabin air filter cover.
  2. Inspect the filter for debris or burning material.
  3. Replace the cabin air filter if it appears damaged or excessively dirty.