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why is my Tesla Model S Original (2012-2020) showing a 'service required' message - Tesla Model S
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why is my Tesla Model S Original (2012-2020) showing a 'service required' message

Tesla Model S Plaid/Refresh (2021-present)

Error Codes
1-3 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
439 words

Problem Statement

Learn how to diagnose and fix the 'service required' message in Tesla Model S (2012-2020). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component
Electrical
Estimated Time
1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Ensure the vehicle is in 'Park' mode before performing any service actions.
  • •Disconnect any external charging cables before working on the vehicle.

Symptoms

  • •'Service required' message displayed on the dashboard
  • •Reduced performance or acceleration
  • •Abnormal sounds from the vehicle
  • •Battery charging issues
  • •Unusual behavior of electronic systems (e.g., touchscreen, autopilot)

Diagnostic Steps

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

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

  • •Tesla service tool or app
  • •OBD-II scanner (if applicable)

Parts Required

  • •Battery replacement (if diagnosed as necessary)
  • •Any other specific parts based on error codes

Additional Information

Affected Component
Electrical
Estimated Time
1-3 hours
Difficulty
medium
Severity
medium
Tools Required
2 items
Parts Required
2 items

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Solution
1. Preparation
  • Tools Required: Tesla service tool or app
  • Ensure the vehicle is parked on a level surface and powered on.
  • Disconnect any external charging cables.
2. Update Firmware
  • Connect the vehicle to Wi-Fi.
  • Navigate to ‘Software’ on the touchscreen and check for updates.
  • If an update is available, initiate the download and installation process.
3. Check Battery Health
  • Access the battery information through the settings menu.
  • If battery health is below 70%, consider scheduling a battery inspection or replacement.
4. Inspect and Reset Error Codes
  • Using the Tesla service tool, read the error codes.
  • Document any critical errors and reset them to see if they reappear.
  • If errors persist, consult Tesla’s technical support for further guidance.
5. Schedule Service Appointment
  • If the 'service required' message remains after performing the above steps, schedule a service appointment through the Tesla mobile app or website.