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Home/Cars/Tesla/Model S/Plaid/Refresh (2021-present)/why is my Tesla Model S Plaid/Refresh (2021-present) battery range decreasing quickly

why is my Tesla Model S Plaid/Refresh (2021-present) battery range decreasing quickly

Tesla Model S Plaid/Refresh (2021-present)

Severity: mediumDifficulty: medium1-3 hours
3 min read
563 words

Problem Statement

Learn how to diagnose and fix rapid battery range decrease in Tesla Model S Plaid (2021-present). Step-by-step guide with diagnostic procedures and solutions.

Component
Electrical
Repair Time
1-3 hours

Safety Warnings

  • ⚠Always wear PPE when working around high-voltage components.
  • ⚠Disconnect the battery before starting any repair work.

Symptoms

  • •Noticeable reduction in estimated battery range displayed on the dashboard
  • •Increased frequency of battery recharging required
  • •Slower acceleration or performance compared to previous driving experiences
  • •Overheating of the battery during charging or operation
  • •Unusual sounds or vibrations from the battery pack area

Diagnostic Steps

  1. 1Check for software updates via the vehicle’s interface to ensure the latest battery management algorithms are installed.
  2. 2Use the Tesla app or vehicle display to review historical battery usage and charging patterns.
  3. 3Inspect the battery health metrics using the vehicle’s diagnostics menu.
  4. 4Perform a battery calibration by fully charging to 100% and then discharging to 0% under normal driving conditions.
  5. 5Conduct a visual inspection of the charging ports and connectors for damage or debris.
  6. 6Run a diagnostic test through the Tesla service portal to identify any fault codes related to the battery system.

Solution

Solution

1. Preparation

  • Gather necessary tools: OBD-II scanner, laptop with Tesla service software (if applicable), and personal protective equipment (PPE).
  • Ensure the vehicle is parked on a flat surface and the battery is sufficiently charged to prevent unexpected shutdown.

2. Update Software

  • Connect the vehicle to Wi-Fi.
  • Access the software update menu on the touchscreen.
  • Follow prompts to install any available updates, ensuring the vehicle's battery management system is optimized.

3. Battery Calibration

  • Fully charge the battery to 100% using a Tesla Supercharger or home charging station.
  • Drive the vehicle normally until it reaches a low charge (around 10%).
  • Avoid using any extreme driving behaviors to ensure accurate calibration.
  • Recharge the vehicle back to 100% and monitor the range over the following days.

4. Inspect and Clean Charging Ports

  • Disconnect the charging cable and inspect both the vehicle and charger connectors for dirt or damage.
  • Clean the connectors with a soft, dry cloth.
  • Ensure the connectors are securely fastened without any signs of corrosion.

5. Diagnostic Assessment

  • Use the OBD-II scanner to read any fault codes from the battery management system.
  • If any codes are present that indicate battery issues, consult the Tesla service manual for specific troubleshooting steps.

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
  • Laptop with Tesla service software (if applicable)
  • Personal protective equipment (PPE)

Parts Required

  • None at this stage; potential replacement parts may be identified during diagnostics.

Additional Information

Component

Electrical

Repair Time

1-3 hours

Difficulty

medium

Severity

medium

Tools

3 items

Parts

1 items

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