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how to fix the fuel gauge not working in Tesla Model 3 Highland (2024-present) - Tesla Model 3
Home/Cars/Tesla/Model 3/Highland (2024-present)/how to fix the fuel gauge not working in Tesla Model 3 Highland (2024-present)

how to fix the fuel gauge not working in Tesla Model 3 Highland (2024-present)

Tesla Model 3 Highland (2024-present)

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

Problem Statement

Learn how to diagnose and fix the fuel gauge not working in Tesla Model 3 Highland (2024-present). 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

  • •Ensure the vehicle is in "Park" before performing any diagnostic steps.
  • •Be cautious when working with electrical systems; disconnect the battery if necessary for safety.

Symptoms

  • •Battery charge level not displaying on the dashboard
  • •"Charging" icon remains illuminated despite being charged
  • •Inaccurate range estimation
  • •Notifications of battery level issues in the vehicle's software
  • •Inconsistent data after charging or driving

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

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 for Tesla
  • •Laptop with Tesla software
  • •Tesla service tools

Parts Required

  • •None required unless specific components are found faulty during diagnostics.

Additional Information

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

Related Faults

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Solution
1. Preparation
  • Ensure the vehicle is parked on a flat surface and is in "Park."
  • Disconnect any external power sources if connected.
  • Gather necessary tools: OBD-II scanner for Tesla, laptop with Tesla software, or Tesla service tools.
2. Software Update
  • Navigate to the "Software" section in the vehicle's settings.
  • Check for any available updates and install them if present.
  • Restart the vehicle to apply updates.
3. Inspect Battery Management System (BMS)
  • Connect the OBD-II scanner to the vehicle's diagnostic port.
  • Access the BMS settings and check for fault codes related to the fuel gauge.
  • If any codes are present, note them for further research or reporting.
4. Reset Battery Calibration
  • Follow the manufacturer’s procedure for battery calibration through the service menu.
  • Ensure the vehicle is charged to at least 80% for proper calibration.
  • After calibration, monitor the fuel gauge for accuracy during discharge cycles.
5. Contact Tesla Service Center (if necessary)
  • If the problem persists after all steps, schedule a service appointment with Tesla.
  • Provide them with any fault codes and diagnostic information gathered during the previous steps.