my Tesla Model S Original (2012-2020) has a burning smell what does it mean

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

533 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 burning smell issues in Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always disconnect the battery before working on electrical systems.
•Allow the vehicle to cool before inspecting brake components to avoid burns.

Symptoms

•Burning odor from the vehicle interior or exterior
•Possible smoke coming from under the hood or near wheels
•Electrical system malfunctions (e.g., dimmed lights, malfunctioning displays)
•Increased cabin temperature
•Warning lights illuminated on the dashboard

Diagnostic Steps

1
Inspect for visible smoke or signs of overheating in the engine compartment and under the vehicle.
2
Use an OBD-II scanner to check for any stored error codes that could indicate electrical system issues.
3
Check the condition of high-voltage battery cables and connections for wear, damage, or overheating.
4
Examine the brake system, including calipers and pads, for signs of excessive heat or burning.
5
Inspect the cabin air filter and HVAC system for any debris or blockages that could cause overheating.

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

•OBD-II scanner
•Socket set
•Multimeter
•Screwdriver set

Parts Required

•Replacement cabin air filter
•Brake pads/calipers (if worn)
•High-voltage battery cables (if damaged)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect for visible smoke or signs of overheating in the engine compartment and under the vehicle.
2
Use an OBD-II scanner to check for any stored error codes that could indicate electrical system issues.
3
Check the condition of high-voltage battery cables and connections for wear, damage, or overheating.
4
Examine the brake system, including calipers and pads, for signs of excessive heat or burning.
5
Inspect the cabin air filter and HVAC system for any debris or blockages that could cause overheating.

Solution

1. Preparation

Gather necessary tools and parts for inspection and repair.
Ensure the vehicle is powered off and in a safe, ventilated area.
Tools Required:
- OBD-II scanner
- Socket set
- Multimeter
- Screwdriver set

2. Inspect and Clean Electrical Components

Remove any covers or panels that block access to electrical components.
Inspect all high-voltage connections for signs of arcing or burning.
Clean any corroded connections using electrical contact cleaner.
Reconnect any loose connections securely.

3. Brake System Inspection

Lift the vehicle using a jack and secure it with jack stands.
Remove the wheels to access the brake system.
Inspect brake pads for excessive wear and calipers for sticking.
Replace any worn brake components as needed, ensuring proper torque specifications.

4. Battery Cable Inspection and Replacement

Disconnect the negative terminal of the high-voltage battery.
Inspect the battery cables for fraying or damage.
If damaged, replace the cables with OEM replacements, ensuring they are secured properly and connected to the correct terminals.

5. HVAC System Cleaning

Remove the cabin air filter and inspect for debris or damage.
Replace the cabin air filter if found dirty or damaged.
Clean the HVAC intake to ensure proper airflow and cooling.