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how to fix my Tesla Model S Original (2012-2020) fuel economy issues - Tesla Model S
Home/Cars/Tesla/Model S/Plaid/Refresh (2021-present)/how to fix my Tesla Model S Original (2012-2020) fuel economy issues

how to fix my Tesla Model S Original (2012-2020) fuel economy issues

Tesla Model S Plaid/Refresh (2021-present)

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

Problem Statement

Learn how to diagnose and fix fuel economy issues in Tesla Model S (2012-2020). 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 performing any work on the electrical system.
  • •Allow the vehicle to cool before inspecting the battery compartment.

Symptoms

  • •Decreased range per charge
  • •Increased energy consumption (kWh/100 miles)
  • •Frequent need for recharging
  • •Unusual battery drain when parked
  • •No significant change in driving style or load

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

  • •Tesla Diagnostic Tool
  • •Tire pressure gauge
  • •Microfiber cloth

Parts Required

  • •Replacement tires (if necessary)

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
  • Gather tools: Tesla Diagnostic Tool, tire pressure gauge, and a soft microfiber cloth.
  • Ensure the vehicle is parked on a level surface and the parking brake is engaged.
2. Inspect Battery Pack
  • Open the rear trunk and access the battery compartment.
  • Check for physical damage or swelling in the battery pack.
  • Clean any debris or dirt from the battery area using a microfiber cloth.
3. Tire Maintenance
  • Use a tire pressure gauge to check each tire's pressure.
  • Inflate tires to the recommended PSI found in the owner's manual.
  • Inspect tire tread for wear; replace tires if below the minimum tread depth.
4. Regenerative Braking Adjustment
  • Navigate to the settings menu on the touchscreen.
  • Select "Driving" and adjust the regenerative braking settings to "Standard" for improved energy recovery.
  • Test the vehicle to ensure the adjustment is effective.
5. Software Update
  • Connect the vehicle to Wi-Fi and check for available software updates.
  • Install any updates that are available, ensuring the vehicle remains charged during the process.