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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
464 words

Problem Statement

Learn how to diagnose and fix flickering headlights on 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.
  • •Allow the vehicle components to cool before starting repairs.

Symptoms

  • •Headlights flicker intermittently
  • •Dimming of headlights when electrical load increases
  • •Warning messages on the dashboard related to lighting
  • •Reduced visibility during night driving
  • •Possible malfunction of other electrical components (e.g., dashboard lights)

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
  • •Screwdriver set

Parts Required

  • •Headlight bulbs (if damaged)
  • •Headlight relay (if faulty)
  • •Wiring connectors (if damaged)

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 on a level surface with the ignition off.
  • Disconnect the 12V battery for safety.
2. Inspect and Replace Headlight Bulbs
  • Sub-steps:
    1. Open the front trunk and locate the headlight assembly.
    2. Remove the protective cover from the headlight assembly.
    3. Twist and remove the bulb socket.
    4. Replace any faulty bulbs with new ones (ensure compatibility with model).
    5. Reassemble the headlight assembly and secure the cover.
3. Check and Repair Wiring
  • Sub-steps:
    1. Visually inspect the wiring harness connected to the headlights.
    2. Repair or replace any damaged wiring or connectors.
    3. Ensure all connections are tight and free of corrosion.
4. Test and Replace Headlight Relay (if necessary)
  • Sub-steps:
    1. Locate the headlight relay in the fuse box.
    2. Remove the relay and test it with a multimeter for continuity.
    3. Replace the relay if it is faulty.
5. Reconnect Battery and Test
  • Sub-steps:
    1. Reconnect the 12V battery.
    2. Start the vehicle and turn on the headlights.
    3. Observe the headlights for flickering or any abnormal behavior.

Tools Required:

  • OBD-II scanner
  • Multimeter
  • Socket set
  • Screwdriver set
  • Replacement headlight bulbs
  • Replacement relay (if necessary)

Parts Required:

  • Headlight bulbs (if damaged)
  • Headlight relay (if faulty)
  • Wiring connectors (if damaged)

Estimated Repair Time: 1-2 hours

Safety Warnings:

  • Disconnect the battery before working on electrical systems.
  • Allow the vehicle components to cool before starting repairs.