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my Tesla Model S Original (2012-2020) has jerky acceleration what's the problem - Tesla Model S
Home/Cars/Tesla/Model S/Plaid/Refresh (2021-present)/my Tesla Model S Original (2012-2020) has jerky acceleration what's the problem

my Tesla Model S Original (2012-2020) has jerky acceleration what's the problem

Tesla Model S Plaid/Refresh (2021-present)

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

Problem Statement

Learn how to diagnose and fix jerky acceleration issues in Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

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 avoid shocks.

Symptoms

  • •Jerky or uneven acceleration
  • •Sudden loss of acceleration power
  • •Increased regenerative braking feedback
  • •Check battery warning or alert message on the display
  • •Unusual noises during acceleration (e.g., whirring or grinding)

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 or Tesla diagnostic tool
  • •Multimeter
  • •Ratchet and socket set

Parts Required

  • •Throttle pedal sensor (if faulty)

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 the parking brake is engaged.
  • Disconnect the 12V battery to reset the vehicle's systems.
  • Tools Required: Ratchet and socket set, multimeter.
2. Update Software
  • Connect the vehicle to Wi-Fi.
  • Navigate to "Software" in the vehicle menu and check for updates.
  • Follow on-screen prompts to install any available software updates.
3. Throttle Sensor Inspection
  • Remove the floor cover to access the throttle pedal assembly.
  • Disconnect the throttle sensor connector.
  • Use a multimeter to check the voltage output of the throttle sensor while manually moving the pedal.
    • Expected voltage range: 0.5V (idle) to 4.5V (full throttle).
  • If readings are out of range, replace the throttle sensor.
4. Regenerative Braking Settings
  • Navigate to "Driving" settings in the touchscreen display.
  • Adjust the regenerative braking settings to a lower level to see if the jerky acceleration improves.
  • Re-test the acceleration behavior after adjustments.
5. Reconnect Battery
  • Reconnect the 12V battery.
  • Perform a soft reset of the vehicle by holding down the steering wheel buttons until the Tesla logo appears on the display.