my Tesla Outback 6th Generation (2020-2024) has a strong burning smell during acceleration

Subaru Outback 6th Generation (2020-2024)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

457 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 during acceleration in the 2020-2024 Tesla Outback. 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 battery before working on electrical systems.
•Allow the engine and components to cool before inspection to avoid burns.

Symptoms

•Strong burning smell during acceleration
•Decreased acceleration performance
•Possible smoke from under the hood or near the wheels
•Warning lights on the dashboard (e.g., battery, overheating)
•Unusual noise from the drivetrain or motor

Diagnostic Steps

1
Inspect for visible signs of burning or melting components under the hood.
2
Use an OBD-II scanner to check for any diagnostic trouble codes (DTCs).
3
Inspect the electric motor and battery connections for signs of wear or damage.
4
Check the brake system for overheating, including inspecting brake pads and calipers.
5
Inspect the drivetrain components, including the transmission and differential, for signs of fluid leaks or 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
•Wire brush
•Jack and jack stands
•Brake fluid

Parts Required

•Brake pads (if worn)
•Transmission fluid (if low or burnt)
•Differential fluid (if necessary)

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Diagnostic Steps

1
Inspect for visible signs of burning or melting components under the hood.
2
Use an OBD-II scanner to check for any diagnostic trouble codes (DTCs).
3
Inspect the electric motor and battery connections for signs of wear or damage.
4
Check the brake system for overheating, including inspecting brake pads and calipers.
5
Inspect the drivetrain components, including the transmission and differential, for signs of fluid leaks or overheating.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and turn off the ignition.
Disconnect the battery to ensure safety during inspection.

2. Inspect and Clean Contacts

Remove the battery cover to access the battery terminals.
Clean the battery terminals using a wire brush to remove corrosion.
Reconnect the battery and ensure connections are tight.

3. Brake System Inspection

Jack up the vehicle and secure it with jack stands.
Remove the wheels to access the brake components.
Inspect brake pads for excessive wear and replace if necessary.
Check calipers for proper operation and ensure there is no sticking.

4. Drivetrain Inspection

Inspect the transmission fluid level and condition; change if burnt or low.
Check the differential fluid level and condition; replace if necessary.
Look for any signs of leaks in the drivetrain components.

5. Test Drive

Reconnect the battery and start the vehicle.
Conduct a test drive to replicate the issue and observe for any burning smell or unusual noises.