FAULTBASE
Error CodesASKCars
© 2026 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
my Tesla Model 3 Original (2017-2023) has a dashboard warning light on, what to do? - Tesla Model 3
Home/Cars/Tesla/Model 3/Highland (2024-present)/my Tesla Model 3 Original (2017-2023) has a dashboard warning light on, what to do?

my Tesla Model 3 Original (2017-2023) has a dashboard warning light on, what to do?

Tesla Model 3 Highland (2024-present)

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

Problem Statement

Learn how to diagnose and fix the dashboard warning light issue in Tesla Model 3 (2017-2023). Step-by-step guide with diagnostic procedures and solutions.

Affected Component
Electrical
Estimated Time
1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Ensure the vehicle is in a safe location before performing any resets or diagnostics.

Symptoms

  • •Dashboard warning light illuminated
  • •Reduced vehicle performance
  • •Notifications on the touchscreen regarding system status
  • •Possible change in driving dynamics (e.g., steering feel)
  • •Temporary loss of features (e.g., Autopilot or navigation)

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

  • •Tesla mobile app

Parts Required

  • •Replacement parts as identified during diagnostics (if any)

Additional Information

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

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
  • Ensure the vehicle is parked in a safe location.
  • Connect the vehicle to a charger if battery levels are low.
  • Gather necessary tools: Tesla mobile app for diagnostics.
2. Update Software
  • Navigate to the "Software" tab on the touchscreen.
  • Check for available software updates and initiate the update if needed.
  • Allow the vehicle to complete the update and restart if prompted.
3. Reset the System
  • Press and hold both scroll wheels on the steering wheel until the touchscreen resets.
  • Wait for the Tesla logo to appear, indicating the system is rebooting.
  • Monitor the dashboard for the warning light after the reset.
4. Address Specific Issues
  • If the warning light persists, follow the specific recommendations from the diagnostics (e.g., battery replacement, brake system checks).
  • Schedule an appointment with a Tesla service center if required repairs are beyond DIY capabilities.