FAULTBASE
Error CodesASKCars
© 2026 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
how to fix Tesla Model 3 Original (2017-2023) dim dashboard lights - Tesla Model 3
Home/Cars/Tesla/Model 3/Highland (2024-present)/how to fix Tesla Model 3 Original (2017-2023) dim dashboard lights

how to fix Tesla Model 3 Original (2017-2023) dim dashboard lights

Tesla Model 3 Highland (2024-present)

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

Problem Statement

Learn how to diagnose and fix dim dashboard lights in Tesla Model 3 (2017-2023). Step-by-step guide with symptoms, diagnostic steps, 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 shock or short circuits.
  • •Ensure the vehicle is powered down completely before performing any repairs.

Symptoms

  • •Dashboard lights do not illuminate properly at night
  • •Instrument cluster appears washed out or hard to read
  • •Brightness adjustment control has little to no effect
  • •Possible flickering of dashboard lights
  • •No error messages or warnings displayed on the screen

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
  • •Fuse puller
  • •Trim removal tool
  • •Screwdriver set

Parts Required

  • •Replacement fuses (specific to dashboard lighting)
  • •Electrical contact cleaner (if corrosion is found)

Additional Information

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

Related Faults

Loading...

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation
Solution
1. Preparation
  • Gather all necessary tools and parts.
  • Disconnect the vehicle battery to ensure safety during repairs.
  • Ensure the vehicle is parked on a flat surface and secured with wheel chocks.
2. Update Software
  • Connect the vehicle to Wi-Fi.
  • Navigate to the software update section on the touchscreen.
  • Install any available updates and restart the vehicle.
3. Inspect and Replace Fuses
  • Locate the fuse box, typically found under the dashboard or in the trunk.
  • Use a fuse puller to remove the dashboard lighting fuse.
  • Inspect the fuse for continuity using a multimeter. Replace if blown.
  • Reinsert the new fuse into the correct slot.
4. Check Connections
  • Remove the dashboard cover using a trim removal tool.
  • Inspect the wiring harness and connectors for the dashboard light assembly.
  • Clean any corrosion with electrical contact cleaner and ensure connections are secure.
  • Reassemble the dashboard cover.
5. Test Dashboard Lights
  • Reconnect the vehicle battery.
  • Start the vehicle and test the dashboard lights by adjusting the brightness control.
  • Ensure all functions are operational.