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my Tesla Model S Original (2012-2020) headlights are flickering what should I do - Tesla Model S
Home/Cars/Tesla/Model S/Plaid/Refresh (2021-present)/my Tesla Model S Original (2012-2020) headlights are flickering what should I do

my Tesla Model S Original (2012-2020) headlights are flickering what should I do

Tesla Model S Plaid/Refresh (2021-present)

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

Problem Statement

Learn how to diagnose and fix flickering headlights on Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component
Electrical
Estimated Time
1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect battery before working on electrical systems.
  • •Allow the headlights to cool before handling to avoid burns.

Symptoms

  • •Headlights flickering intermittently
  • •Dimming or brightening of headlights
  • •Possible accompanying warning messages on the dashboard
  • •Headlights turning off and on rapidly
  • •Reduced visibility while driving at night

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

  • •Socket set
  • •Pliers
  • •Multimeter
  • •Screwdriver set

Parts Required

  • •Replacement headlight bulbs
  • •Headlight relay (if faulty)
  • •Fuses (if blown)

Additional Information

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

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Solution
1. Preparation
  • Gather necessary tools and parts.
  • Ensure the vehicle is parked in a safe area with the engine off.
  • Disconnect the vehicle's battery to prevent electrical shocks.
2. Inspect and Replace Headlight Bulbs
  • Remove the headlight assembly from the vehicle:
    • Unscrew the retaining screws using a socket set.
    • Gently pull the assembly out.
  • Inspect the bulbs:
    • Look for any blackening or broken filaments.
  • If defective, replace with new bulbs:
    • Ensure the correct bulb type for the Tesla Model S.
    • Install the new bulb and secure it in place.
3. Check Wiring Harness and Connections
  • Visually inspect the wiring harness:
    • Look for any signs of wear, fraying, or loose connections.
  • Tighten any loose connections:
    • Use pliers if necessary to secure connectors.
  • If damage is found, replace the damaged wiring harness.
4. Test and Replace Relay and Fuses
  • Locate the fuse box and the headlight relay:
    • Refer to the vehicle's manual for specific locations.
  • Remove the relay and test it:
    • Use a multimeter to check for continuity.
  • Replace any faulty fuses or relays with OEM parts.
5. Update Software
  • Connect the vehicle to a Wi-Fi network:
    • Go to the software update section of the settings.
  • Download and install any available updates:
    • Follow on-screen instructions to complete the update.