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why does my Tesla Model S Original (2012-2020) dashboard flicker at night - Tesla Model S
Home/Cars/Tesla/Model S/Plaid/Refresh (2021-present)/why does my Tesla Model S Original (2012-2020) dashboard flicker at night

why does my Tesla Model S Original (2012-2020) dashboard flicker at night

Tesla Model S Plaid/Refresh (2021-present)

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

Problem Statement

Learn how to diagnose and fix dashboard flickering 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 working on electrical systems to prevent shocks or shorts.
  • •Allow the vehicle to cool before attempting any repairs to avoid burns.

Symptoms

  • •Flickering dashboard lights
  • •Dim or inconsistent brightness of the display
  • •Intermittent loss of visibility of dashboard information
  • •Possible accompanying noises from the dashboard area
  • •Check for any warning messages on the screen

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
  • •Socket set
  • •Screwdrivers

Parts Required

  • •Dashboard dimmer switch (if replacement is necessary)
  • •Any damaged wiring or connectors

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 tools and ensure the vehicle is parked safely.
  • Disconnect the 12V battery for safety.
  • Tools required: OBD-II scanner, multimeter, socket set, and screwdrivers.
2. Dashboard Dimmer Switch Inspection
  • Locate the dashboard dimmer switch.
  • Turn the switch through its full range to check for any irregularities.
  • If the switch feels loose or does not operate smoothly, consider replacing it.
3. Software Update
  • Connect the vehicle to Wi-Fi.
  • Navigate to the software updates section in the settings menu.
  • Install any available software updates to ensure the dashboard functions correctly.
4. Electrical System Check
  • Reconnect the 12V battery.
  • Use a multimeter to check the battery voltage; it should be around 12.6 volts when fully charged.
  • Inspect the fuses related to the dashboard and replace any that are blown.
5. Wiring and Connectors Inspection
  • Remove the dashboard cover to access wiring and connectors.
  • Inspect for any frayed wires or loose connections.
  • Secure or replace any damaged wiring, ensuring all connectors are tight.
6. Display Unit Testing
  • Perform a soft reset of the vehicle's system by holding down the two scroll wheels on the steering wheel until the screen resets.
  • Observe if the flickering persists after the reset.