FAULTBASE
NEWSASKCars
© 2025 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
Home/Cars/Tesla/Model S/Plaid/Refresh (2021-present)/how to reset the battery management system on Tesla Model S Plaid/Refresh (2021-present)

how to reset the battery management system on Tesla Model S Plaid/Refresh (2021-present)

Tesla Model S Plaid/Refresh (2021-present)

Severity: mediumDifficulty: medium30 minutes to 1 hour
3 min read
456 words

Problem Statement

Learn how to reset the battery management system on Tesla Model S Plaid (2021-present) to resolve battery-related issues with step-by-step instructions.

Component
Electrical
Repair Time
30 minutes to 1 hour

Safety Warnings

  • ⚠Ensure that the vehicle is parked safely and not in a location where it can roll.

Symptoms

  • •Battery range appears inaccurate
  • •Charging issues or slow charging
  • •Regenerative braking not functioning properly
  • •Car does not recognize battery upgrades or replacements
  • •Energy consumption readings are erratic

Diagnostic Steps

  1. 1Ensure the vehicle is parked on a level surface and is in park mode.
  2. 2Verify that the vehicle's software is up to date by checking the settings menu.
  3. 3Disconnect any charging cables from the vehicle.
  4. 4Check for any existing error messages or warnings on the touchscreen.
  5. 5Confirm that the 12V battery is in good condition and properly charged, as it may affect system operations.

Solution

Solution

1. Preparation

  • Ensure the vehicle is in a safe environment.
  • Have the key fob or mobile app ready for access.

2. Power Cycling the Vehicle

  1. Turn Off the Vehicle

    • On the touchscreen, go to 'Controls' > 'Safety & Security.'
    • Tap 'Power Off' and wait for at least 2-3 minutes without interacting with the vehicle.

  2. Restart the Vehicle

    • After 2-3 minutes, press the brake pedal; this will power on the vehicle again.

3. Resetting the Battery Management System

  1. Access the Service Menu

    • Go to 'Controls' > 'Service' on the touchscreen.

  2. Perform BMS Reset

    • Look for and select the option for 'Battery Management System' reset. Follow the on-screen instructions to confirm the reset.
    • This may require the vehicle to be on charge for optimal results.

4. Final Check

  1. Monitor Battery Status

    • After the reset, monitor the battery performance for a few cycles of charging and discharging to ensure proper functionality.

  2. Confirm System Functionality

    • Ensure that regenerative braking and charging functions are operating correctly.

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 key fob
  • Mobile app

Parts Required

  • None specifically, but ensure the 12V battery is in good condition.

Additional Information

Component

Electrical

Repair Time

30 minutes to 1 hour

Difficulty

medium

Severity

medium

Tools

2 items

Parts

1 items

Related Faults

Discover similar issues

  1. my Tesla Model S Plaid/Refresh (2021-present) won't shift into gear when I try to drive

    Learn how to diagnose and fix transmission issues in Tesla Model S Plaid. Step-by-step guide with diagnostic procedures and repair instructions.

    Component:Transmission
    Symptoms
    • •Gear shift indicator shows 'N' or 'P' but not 'D' or 'R'
    • •No response when pressing the accelerator pedal
    • +{count} more

  2. why does my Tesla Model S Plaid/Refresh (2021-present) shake when I brake?

    Learn how to diagnose and fix brake shaking in Tesla Model S Plaid (2021-present). Step-by-step guide with diagnostic procedures and repair instructio...

    Component:Brakes
    Symptoms
    • •Steering wheel vibrates during braking
    • •Pulsation felt through the brake pedal
    • +{count} more

  3. my Tesla Model S Plaid/Refresh (2021-present) won't start just clicks what should I check?

    Learn how to diagnose and fix the no-start issue in Tesla Model S Plaid. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

    Component:Electrical
    Symptoms
    • •Clicking sound when the start button is pressed
    • •No engine turnover or cranking
    • +{count} more

  4. my Tesla Model S Plaid/Refresh (2021-present) has a check engine light that won't go off

    Learn how to diagnose and resolve the persistent check engine light issue in Tesla Model S Plaid (2021-present). Step-by-step guide included.

    Component:Electrical
    Symptoms
    • •Check engine light continuously illuminated
    • •Possible reduction in vehicle performance
    • +{count} more

  5. why does my Tesla Model S have a knocking sound when I start it

    Learn how to diagnose and fix a knocking sound during startup in Tesla Model S. Step-by-step guide with diagnostic procedures and repair instructions.

    Component:Electrical
    Symptoms
    • •Knocking sound heard when the vehicle is powered on
    • •Possible vibrations felt through the vehicle
    • +{count} more

  6. how to reset check engine light Tesla Model S Plaid/Refresh (2021-present)

    Learn how to reset the check engine light on Tesla Model S Plaid (2021-present). Step-by-step guide with diagnostic procedures and reset instructions.

    Component:Electrical
    Symptoms
    • •Check engine light illuminated on the dashboard
    • •Possible reduced power or performance issues
    • +{count} more

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation