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how to troubleshoot Tesla Model S Original (2012-2020) rough idle problem - Tesla Model S
Home/Cars/Tesla/Model S/Plaid/Refresh (2021-present)/how to troubleshoot Tesla Model S Original (2012-2020) rough idle problem

how to troubleshoot Tesla Model S Original (2012-2020) rough idle problem

Tesla Model S Plaid/Refresh (2021-present)

Error Codes
2-4 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
519 words

Problem Statement

Learn how to troubleshoot and fix rough idle issues 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 battery before performing any electrical work
  • •Allow the vehicle to cool before inspecting the cooling system

Symptoms

  • •Unstable or fluctuating RPM when stationary
  • •Unusual vibrations felt in the cabin
  • •Increased noise from the electric motors
  • •Possible warning messages on the dashboard
  • •Reduced efficiency or range

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

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
  • •Torque wrench
  • •Coolant refill kit

Parts Required

  • •Tesla-approved coolant (if needed)
  • •Replacement seals or components for the cooling system (if damaged)

Additional Information

Affected Component
Electrical
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
4 items
Parts Required
2 items

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Solution
1. Preparation
  • Gather necessary tools and parts.
  • Ensure the vehicle is parked on a level surface and in "Park" mode.
  • Disconnect the negative terminal of the 12V battery for safety.
2. Update Software
  • Connect the vehicle to Wi-Fi.
  • Navigate to "Software" settings and check for updates.
  • Follow prompts to install any available updates.
3. Address Error Codes
  • Connect an OBD-II scanner.
  • Retrieve and note any error codes, then look up their meanings.
  • Clear the codes to see if they return after a test drive.
4. Inspect and Test Electric Drive Motors
  • Reconnect the battery.
  • Access the motor diagnostic menu in the vehicle settings.
  • Run a self-check on the motors and note any irregularities.
5. Check Battery Cooling System
  • Inspect coolant reservoir for proper level.
  • Check for any leaks or blockages in the cooling system.
  • If necessary, flush and refill the cooling system with Tesla-approved coolant.
6. Verify Charging System
  • Inspect the charging port and cable for damage or debris.
  • Test the onboard charger using a multimeter to ensure it's functioning correctly.
  • Replace any faulty components as needed.