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Home/Cars/Tesla/Model S/Plaid/Refresh (2021-present)/why does my Tesla Model S Plaid/Refresh (2021-present) battery die overnight when car is off

why does my Tesla Model S Plaid/Refresh (2021-present) battery die overnight when car is off

Tesla Model S Plaid/Refresh (2021-present)

Severity: highDifficulty: medium1-2 hours
3 min read
458 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Discover how to resolve battery drain issues overnight in Tesla Model S Plaid. Step-by-step guide with diagnostic steps and solutions for effective repair.

Component
Electrical
Repair Time
1-2 hours

Safety Warnings

  • ⚠Ensure the vehicle is parked safely and secured before performing any resets or inspections.

Symptoms

  • •Battery drains significantly overnight without use
  • •Unable to start the vehicle after leaving it parked for a short period
  • •High voltage battery warning messages upon startup
  • •Reduced range indicated on the dashboard
  • •Increased frequency of charging required

Diagnostic Steps

  1. 1Check for software updates using the Tesla app or vehicle interface.
  2. 2Inspect vehicle settings for energy-saving features and 'Always Connected' settings.
  3. 3Review the vehicle's energy consumption report for any unusual patterns.
  4. 4Use the Tesla app to monitor battery percentage and check for rapid discharge.
  5. 5Perform a hard reset of the vehicle by holding down the steering wheel buttons.
  6. 6Inspect for any aftermarket devices or accessories that may draw power.

Solution

Solution

1. Preparation

  • Ensure the vehicle is parked in a safe, dry area.
  • Have the Tesla app and vehicle software updated to the latest version.
  • Gather necessary tools.

2. Update Software

  • Connect the vehicle to Wi-Fi.
  • Go to the "Software" tab on the touchscreen.
  • Check for updates and install if available.
  • Restart the vehicle if prompted.

3. Adjust Energy Settings

  • Access the "Controls" menu on the touchscreen.
  • Navigate to "Energy" settings.
  • Enable "Energy Saving" mode if not already activated.
  • Disable "Always Connected" if enabled to reduce draw on the battery.

4. Inspect and Remove Aftermarket Accessories

  • Check for any aftermarket devices or accessories connected to the vehicle.
  • Disconnect any non-Tesla chargers, GPS devices, or other electronics.
  • Monitor battery drain after removing these accessories.

5. Hard Reset the Vehicle

  • Place the vehicle in 'Park'.
  • Hold down both scroll wheels on the steering wheel until the screen resets.
  • Release the scroll wheels once the Tesla logo appears.

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 app

Parts Required

  • None necessary for this procedure; any replacement parts would depend on further diagnosis.

Additional Information

Component

Electrical

Repair Time

1-2 hours

Difficulty

medium

Severity

high

Tools

1 items

Parts

1 items

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