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why is my Tesla Model S Original (2012-2020) dashboard lights flickering - Tesla Model S
Home/Cars/Tesla/Model S/Plaid/Refresh (2021-present)/why is my Tesla Model S Original (2012-2020) dashboard lights flickering

why is my Tesla Model S Original (2012-2020) dashboard lights flickering

Tesla Model S Plaid/Refresh (2021-present)

Error Codes
1-2 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
521 words

Problem Statement

Learn how to diagnose and fix dashboard lights flickering in Tesla Model S (2012-2020). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component
Electrical
Estimated Time
1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical systems.
  • •Ensure the vehicle is powered down before performing repairs.

Symptoms

  • •Dashboard lights flickering intermittently
  • •Possible dimming or brightening of lights
  • •Warning messages displayed on the screen
  • •Erratic behavior of other electrical components (e.g., radio, climate control)
  • •Reduced battery performance or range anxiety
  • •Check battery health alert

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

  • •Tesla-compatible diagnostic tool
  • •Multimeter
  • •Socket set
  • •Torque wrench

Parts Required

  • •New 12V battery (specific to Tesla Model S)

Additional Information

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

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Solution
1. Preparation
  • Ensure the vehicle is parked on a flat surface and turn off the ignition.
  • Disconnect the 12V battery (negative terminal first).
  • Gather necessary tools and replacement parts.
2. Test and Replace the 12V Battery
  1. Check Battery Voltage

    • Use a multimeter to measure the voltage of the 12V battery.
    • If the voltage is below 12.4V, proceed to replace the battery.
  2. Remove the Old Battery

    • Remove the cover over the battery compartment using a socket set.
    • Disconnect the negative terminal first, followed by the positive terminal.
    • Remove any securing bolts and carefully lift the battery out of the compartment.
  3. Install the New Battery

    • Place the new 12V battery into the compartment.
    • Secure it with bolts as per the manufacturer's specifications (torque to 10-12 Nm).
    • Connect the positive terminal first, followed by the negative terminal.
    • Replace the battery cover.
3. Update Vehicle Software
  1. Connect to Wi-Fi

    • Ensure the vehicle is connected to a stable Wi-Fi network.
  2. Check for Updates

    • Navigate to 'Software' in the vehicle's menu.
    • Follow the prompts to install any available software updates.
4. Final Checks
  • Reconnect the 12V battery (negative terminal last).
  • Start the vehicle and observe the dashboard lights.