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how to fix the lane departure warning on my Tesla Model S Original (2012-2020) - Tesla Model S
Home/Cars/Tesla/Model S/Plaid/Refresh (2021-present)/how to fix the lane departure warning on my Tesla Model S Original (2012-2020)

how to fix the lane departure warning on my Tesla Model S Original (2012-2020)

Tesla Model S Plaid/Refresh (2021-present)

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

Problem Statement

Learn how to diagnose and fix lane departure warning issues in Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, and solutions.

Affected Component
Electrical
Estimated Time
1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the 12V battery before working on electrical components to prevent short circuits or shocks.

Symptoms

  • •Lane departure warning light is illuminated on the dashboard
  • •System does not provide alerts when crossing lane markings
  • •Inconsistent warnings or alerts
  • •Camera calibration error messages displayed
  • •Reduced functionality of Autopilot features

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

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
  • •Microfiber cloth
  • •Glass cleaner

Parts Required

  • •None typically required unless camera or wiring is damaged.

Additional Information

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

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Solution
1. Preparation
  • Ensure the vehicle is parked on a level surface and is turned off.
  • Gather tools and components needed for the repair.
  • Disconnect the 12V battery to ensure safety while working on electrical components.
2. Clean the Camera
  • Locate the forward-facing camera, typically mounted near the rearview mirror.
  • Use a microfiber cloth and appropriate glass cleaner to gently clean the camera lens.
  • Reconnect the battery and check if the issue persists.
3. Update Software
  • Connect the vehicle to Wi-Fi.
  • Go to 'Software' in the Tesla touchscreen interface and check for updates.
  • If an update is available, follow the prompts to install it, which may resolve the issue.
4. Camera Calibration
  • If the camera is obstructed or has been replaced, recalibrate the camera through the settings.
    1. Navigate to the 'Service' menu on the touchscreen.
    2. Select ‘Camera Calibration’ and follow the on-screen instructions.
  • Ensure the vehicle is in a suitable environment for calibration, typically a flat, well-lit area.
5. Inspect Wiring and Connections
  • If issues persist, inspect the wiring harness connected to the camera for any signs of wear or damage.
  • Ensure all connections are secure and free from corrosion.
6. Recheck System Functionality
  • After performing repairs, reconnect the battery and perform a system check to ensure that the lane departure warning system is functioning correctly.