why does my Tesla Model S Original (2012-2020) have a burning smell when driving?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

511 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 the burning smell issue in Tesla Model S (2012-2020). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

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

Symptoms

•Burning smell noticeable inside the cabin
•Loss of power or acceleration
•Unusual noises from the electric motor or drivetrain
•Overheating warning on the dashboard
•Smoke coming from the front or rear of the vehicle

Diagnostic Steps

1
Inspect the vehicle for any visible signs of smoke or burning components.
2
Check the battery cooling system for any blockages or failures.
3
Use a diagnostic tool to scan for any fault codes related to the motor, battery, or drivetrain.
4
Inspect the brake system for overheating components or sticking calipers.
5
Examine the wiring harness for damaged insulation or exposed wires.
6
Assess tire condition and alignment to rule out friction-related issues.

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

•Screwdriver set
•Cleaning cloth
•Jack and jack stands
•Socket set
•Torque wrench
•Multimeter
•Wire repair kit
•Tire pressure gauge
•Alignment tools if doing at home

Parts Required

•Replacement brake components (if necessary)
•Wiring harness repair kit (if needed)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect the vehicle for any visible signs of smoke or burning components.
2
Check the battery cooling system for any blockages or failures.
3
Use a diagnostic tool to scan for any fault codes related to the motor, battery, or drivetrain.
4
Inspect the brake system for overheating components or sticking calipers.
5
Examine the wiring harness for damaged insulation or exposed wires.
6
Assess tire condition and alignment to rule out friction-related issues.

Solution

1. Preparation

Ensure the vehicle is parked on a level surface and turned off.
Disconnect the 12V battery to prevent any electrical shorts during repairs.
Gather tools and parts needed for the repair.

2. Inspect and Clean Battery Cooling System

Sub-steps:
1. Remove the underbody panels to access the battery cooling system.
2. Check the cooling ducts for any blockages (dirt, debris).
3. Clean the ducts and ensure the fans are operational.
Tools Required: Screwdriver set, cleaning cloth.

3. Check Brake System

Sub-steps:
1. Remove the wheel to access the brake caliper and rotor.
2. Inspect for signs of overheating (discoloration, burning odor).
3. If calipers are sticking, replace or service them as necessary.
Tools Required: Jack and jack stands, socket set, torque wrench.

4. Inspect Wiring Harness

Sub-steps:
1. Visually inspect the wiring harness for any signs of damage or wear.
2. Use a multimeter to check for continuity in suspect wires.
3. Repair or replace any damaged wiring as needed.
Tools Required: Multimeter, wire repair kit.

5. Tire and Alignment Check

Sub-steps:
1. Inspect tires for abnormal wear or damage.
2. Check tire pressure and adjust if necessary.
3. If misalignment is detected, schedule a professional alignment.
Tools Required: Tire pressure gauge, alignment tools if doing at home.