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why does my Tesla Model S Original (2012-2020) give a "door ajar" warning - Tesla Model S
Home/Cars/Tesla/Model S/Plaid/Refresh (2021-present)/why does my Tesla Model S Original (2012-2020) give a "door ajar" warning

why does my Tesla Model S Original (2012-2020) give a "door ajar" warning

Tesla Model S Plaid/Refresh (2021-present)

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

Problem Statement

Learn how to diagnose and fix the "door ajar" warning in Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component
Electrical
Estimated Time
1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical components to prevent shocks.

Symptoms

  • •"Door ajar" warning message on the dashboard
  • •Interior lights remain on when the vehicle is off
  • •Difficulty locking the vehicle
  • •Audible chimes indicating a door is not closed
  • •Possible decrease in battery efficiency due to lights staying on

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

  • •OBD-II scanner
  • •Socket set
  • •Screwdriver set
  • •Multimeter

Parts Required

  • •Replacement door sensor (if faulty)
  • •Replacement door latch (if misaligned or damaged)

Additional Information

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

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Solution
1. Preparation
  • Gather tools and parts needed for the repair.
  • Ensure the vehicle is in a safe, well-ventilated area.
  • Disconnect the vehicle from charging to prevent any electrical hazards.
2. Inspect and Adjust Door Latch
  • Sub-steps:
    • Open and close each door multiple times to check for proper latching.
    • If a door is misaligned, adjust the door hinges by loosening the hinge bolts and repositioning the door so it fits snugly against the frame.
    • Tighten the hinge bolts to the manufacturer's recommended torque specifications (typically around 10-15 ft-lbs).
3. Replace Faulty Door Sensor
  • Tools Required:
    • Socket set
    • Screwdriver set
    • Multimeter (for testing)
  • Sub-steps:
    • Remove the door panel by unscrewing the screws and carefully prying off the panel clips.
    • Locate the door sensor and disconnect its wiring harness.
    • Remove the faulty door sensor by unscrewing it from the door frame.
    • Install the new door sensor by reversing the removal steps.
    • Reconnect the wiring harness and reassemble the door panel.
4. Test Door Functionality
  • Sub-steps:
    • Close all doors and check if the "door ajar" warning disappears.
    • Perform a locking test to ensure the vehicle locks properly without any alerts.
    • Monitor the interior lights to confirm they turn off when the vehicle is locked.