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why does my Tesla Model S Plaid/Refresh (2021-present) dash lights flicker when accelerating - Tesla Model S
Home/Cars/Tesla/Model S/Plaid/Refresh (2021-present)/why does my Tesla Model S Plaid/Refresh (2021-present) dash lights flicker when accelerating

why does my Tesla Model S Plaid/Refresh (2021-present) dash lights flicker when accelerating

Tesla Model S Plaid/Refresh (2021-present)

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

Problem Statement

Learn how to diagnose and fix dash lights flickering during acceleration in Tesla Model S Plaid. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component
Electrical
Estimated Time
1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical systems to avoid shocks.
  • •Allow the vehicle to cool before inspecting components to prevent burns.

Symptoms

  • •Dash lights flickering during acceleration
  • •Possible dimming of interior lights
  • •Check battery warning light illuminated
  • •Occasional loss of power to infotainment system
  • •Unusual noises from the battery or electrical components

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
  • •Multimeter
  • •Socket set
  • •Wire brush

Parts Required

  • •Battery terminal cleaner (if corrosion is significant)
  • •Replacement wiring (if damaged)

Additional Information

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

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Solution
1. Preparation
  • Gather necessary tools and parts.
  • Ensure the vehicle is parked on a level surface and the parking brake is engaged.
  • Disconnect the vehicle from any power source (if applicable).
2. Inspect and Clean Battery Connections
  • Sub-steps:
    • Locate the 12V battery, typically found in the front trunk (frunk).
    • Use a socket set to remove the negative terminal first, then the positive terminal.
    • Clean the battery terminals and cable ends with a wire brush to remove corrosion.
    • Reconnect the positive terminal first, followed by the negative terminal, ensuring they are tightened securely.
3. Check Main Battery Voltage
  • Sub-steps:
    • Use a multimeter to measure the voltage of the main battery pack.
    • Ensure the voltage is within the manufacturer's specifications (usually around 350V-400V for high voltage packs).
    • If the voltage is low, consider charging the battery or checking for battery health issues.
4. Inspect Wiring Harnesses
  • Sub-steps:
    • Visually inspect the wiring harnesses leading to the dash and battery areas for any signs of fraying or damage.
    • Tug gently on wires to ensure they are securely connected.
    • Repair or replace any damaged wiring as necessary.
5. Software Update
  • Sub-steps:
    • Connect the vehicle to Wi-Fi and access the software update section in the vehicle’s settings.
    • Follow prompts to download and install any available updates.
    • Restart the vehicle after the software installation is complete.