my Tesla Model S Plaid/Refresh (2021-present) has a burning smell when driving what's causing it?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

450 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix a burning smell in Tesla Model S Plaid/Refresh. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Brakes

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the 12V battery before working on electrical systems.
•Allow the vehicle to cool down before inspecting the brakes or motor.

Symptoms

•Burning smell inside or outside the vehicle
•Possible warning lights on the dashboard
•Reduced performance or power loss
•Excessive heat from the brakes or motor
•Smoke visible from under the vehicle or near wheels

Diagnostic Steps

1
Inspect the brake components for excessive wear or overheating.
2
Scan the vehicle's diagnostic system for error codes using a Tesla service tool.
3
Check for any fluid leaks, particularly from the battery or cooling system.
4
Examine the electric motor and associated wiring for signs of damage or overheating.
5
Inspect the tires for signs of wear or overheating that may contribute to the burning smell.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•Socket set
•Multimeter
•Inspection flashlight

Parts Required

•OEM brake pads
•Battery coolant (Tesla-approved)

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Diagnostic Steps

1
Inspect the brake components for excessive wear or overheating.
2
Scan the vehicle's diagnostic system for error codes using a Tesla service tool.
3
Check for any fluid leaks, particularly from the battery or cooling system.
4
Examine the electric motor and associated wiring for signs of damage or overheating.
5
Inspect the tires for signs of wear or overheating that may contribute to the burning smell.

Solution

1. Preparation

Ensure the vehicle is parked on a flat surface and turned off.
Disconnect the 12V battery for safety.
Gather tools: socket set, multimeter, and inspection flashlight.

2. Brake Inspection

Remove the wheel covering the brake assembly.
Inspect brake pads and rotors for signs of glazing or excessive wear.
Replace worn brake pads with new OEM parts if necessary.
Reinstall the wheel and torque to manufacturer specifications.

3. Electric Motor and Wiring Inspection

Remove the necessary panels to access the electric motor.
Visually inspect the motor and wiring for signs of damage or burns.
Use a multimeter to check motor windings for continuity and shorts.
Replace damaged components as needed.

4. Fluid Leak Check

Inspect cooling system hoses and connections for leaks.
Check battery coolant levels; refill with Tesla-approved coolant if low.
Replace any damaged hoses or fittings.

5. Tire Inspection

Check tire pressure and tread depth.
Inspect for any localized areas of overheating or damage.
Replace tires if worn or if there's evidence of damage.