my Tesla Model S Plaid/Refresh (2021-present) is emitting smoke from the exhaust

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

504 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 smoke emission from the exhaust in Tesla Model S Plaid. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Cooling System

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Allow the vehicle to cool down before working on the cooling system.
•Disconnect the high-voltage battery before performing any electrical repairs.

Symptoms

•Smoke visible from the exhaust area
•Unusual burning smell inside or outside the vehicle
•Warning lights on the dashboard (e.g., battery or engine warning)
•Reduced performance or power loss
•Unexplained increase in energy consumption
•Possible overheating of the vehicle

Diagnostic Steps

1
Inspect the vehicle for any visible leaks or damaged components around the exhaust area.
2
Use the vehicle's onboard diagnostics to check for error codes related to the battery or thermal management system.
3
Examine the coolant levels and check for signs of coolant leaks.
4
Monitor battery temperature readings through the vehicle's display.
5
Check for software updates or alerts from the Tesla mobile app.
6
Inspect the drive unit for any signs of mechanical failure 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
•Multimeter
•Coolant tester
•Torque wrench
•Socket set

Parts Required

•Tesla Long Life Coolant
•Replacement hoses (if needed)

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Diagnostic Steps

1
Inspect the vehicle for any visible leaks or damaged components around the exhaust area.
2
Use the vehicle's onboard diagnostics to check for error codes related to the battery or thermal management system.
3
Examine the coolant levels and check for signs of coolant leaks.
4
Monitor battery temperature readings through the vehicle's display.
5
Check for software updates or alerts from the Tesla mobile app.
6
Inspect the drive unit for any signs of mechanical failure or overheating.

Solution

1. Preparation

Ensure the vehicle is parked on a flat surface and the parking brake is engaged.
Gather necessary tools: OBD-II scanner, multimeter, and coolant tester.

2. Assess and Repair Battery Cooling System

Check Coolant Levels:
- Remove the front trunk cover to access the coolant reservoir.
- Inspect the coolant level; it should be between the minimum and maximum marks.
- If low, add the recommended Tesla coolant (TESLA Long Life Coolant).
Inspect Cooling System for Leaks:
- Check hoses and connections for signs of leaks or damage.
- Tighten any loose connections or replace damaged hoses as necessary.

3. Software Update

Check for Software Updates:
- Connect the vehicle to Wi-Fi.
- Navigate to the software update section in the vehicle’s settings.
- Install any available updates, ensuring that the vehicle's operating system is up to date.

4. Battery Thermal Management Check

Monitor Battery Temperature:
- Use the onboard diagnostics to monitor the battery temperature.
- If the temperature is excessively high, allow the vehicle to cool down before further inspection.

5. Professional Assessment

If the issues persist after the above steps, schedule an appointment with a Tesla Service Center for a comprehensive diagnosis and repair.