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Home/Cars/Tesla/Model S/Plaid/Refresh (2021-present)/why does my Tesla Model S Original (2012-2020) display “service required” message

why does my Tesla Model S Original (2012-2020) display “service required” message

Tesla Model S Plaid/Refresh (2021-present)

Severity: mediumDifficulty: medium2-4 hours
3 min read
494 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.

Component
Electrical
Repair Time
2-4 hours

Safety Warnings

  • ⚠Ensure the vehicle is powered off before performing any inspections or repairs.
  • ⚠Always use caution when working around electrical components and high-voltage systems.

Symptoms

  • •Service required message on the display
  • •Reduced vehicle performance or efficiency
  • •Inconsistent battery range readings
  • •Alerts for specific systems (e.g., brakes, suspension)
  • •Unusual noises from the vehicle
  • •Check on the vehicle's health through the Tesla app

Diagnostic Steps

  1. 1Use the Tesla app or vehicle display to check for any specific error codes or alerts.
  2. 2Review the vehicle's service history to identify any overdue maintenance.
  3. 3Inspect the battery health and performance through the Tesla diagnostics.
  4. 4Perform a visual inspection of all major components (brakes, suspension, etc.) for obvious issues.
  5. 5Check for software updates that may resolve the issue.
  6. 6Run a full diagnostics check through the Tesla service menu if available.

Solution

Solution

1. Preparation

  • Tools Required: Laptop or device for accessing Tesla service portal, OBD-II scanner (if necessary), multimeter.
  • Ensure the vehicle is in a safe, well-ventilated area.
  • Disconnect any external power sources.

2. Perform Software Updates

  • Connect the vehicle to Wi-Fi.
  • Navigate to the "Software" menu on the touchscreen.
  • Install any available updates and reboot the vehicle if prompted.

3. Inspect Battery and Charging System

  • Tools Required: Multimeter, battery management system (BMS) software (if available).
  • Check battery voltage using the multimeter; ensure it is within the manufacturer's specified range.
  • Inspect charging port for any debris or damage.
  • Review charging logs for any inconsistencies.

4. Check and Service Key Components

  • Brakes:
    • Inspect brake pads and discs for wear.
    • Replace pads if worn below manufacturer specifications.
  • Suspension:
    • Examine suspension components for wear or damage.
    • Replace any worn bushings, shocks, or struts.

5. Clear Fault Codes

  • Use an OBD-II scanner to connect to the vehicle's diagnostic port.
  • Clear any stored fault codes and monitor if they return after the system is reset.

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

  • Laptop or device for accessing Tesla service portal
  • OBD-II scanner
  • Multimeter

Parts Required

  • Brake pads (if replacement is necessary)
  • Suspension components (if worn)

Additional Information

Component

Electrical

Repair Time

2-4 hours

Difficulty

medium

Severity

medium

Tools

3 items

Parts

2 items

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