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why does my Tesla Model S Original (2012-2020) take a long time to charge - Tesla Model S
Home/Cars/Tesla/Model S/Plaid/Refresh (2021-present)/why does my Tesla Model S Original (2012-2020) take a long time to charge

why does my Tesla Model S Original (2012-2020) take a long time to charge

Tesla Model S Plaid/Refresh (2021-present)

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

Problem Statement

Discover how to diagnose and fix slow charging issues in Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, and solutions.

Affected Component
Electrical
Estimated Time
1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the vehicle from the power source before starting any inspections or repairs.

Symptoms

  • •Charging time exceeds manufacturer specifications
  • •Battery percentage increases slowly during charging
  • •Charging indicator shows slow progress
  • •Possible 'Charging System Fault' message on the display
  • •Occasional overheating of the charging connector

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

  • •Multimeter
  • •Tesla diagnostic tool

Parts Required

  • •Replacement charging cable (if damaged)

Additional Information

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

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Solution
1. Preparation
  • Gather necessary tools: multimeter, Tesla diagnostic tool, and a clean cloth.
  • Ensure the vehicle is parked on a flat surface and turned off.
  • Disconnect the vehicle from the power source before beginning inspections.
2. Inspect Charging Cable
  • Examine the charging cable for frays, kinks, or corrosion.
  • Use a multimeter to check the continuity of the cable.
  • If damaged, replace the charging cable with a compatible unit.
3. Check Power Source
  • Measure the voltage and amperage at the outlet using a multimeter.
  • Ensure the outlet is not overloaded; it should supply 240V for optimal charging speed.
  • If the outlet is faulty, consult an electrician for repairs or replacement.
4. Verify Charging Settings
  • Access the vehicle's charging menu on the touchscreen.
  • Ensure there are no restrictions set for charging limits.
  • Adjust the settings to allow for maximum charging speed.
5. Address Battery Temperature
  • Monitor the battery temperature during charging; it should ideally be between 20°C and 40°C (68°F to 104°F).
  • If overheating occurs, allow the battery to cool before resuming charging.
  • If persistent overheating is noted, consider a battery health check at a Tesla service center.