my Tesla Model S has a message saying "service required" what should I do

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

402 words

Problem Statement

Learn how to diagnose and fix the 'service required' message in Tesla Model S. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the high-voltage battery before performing any repairs on electrical components.

Symptoms

•Service required message on the dashboard
•Reduced performance or power
•Unusual noises from the vehicle
•Warning lights illuminated on the dashboard
•Issues with charging or battery performance

Diagnostic Steps

1
Access the vehicle's diagnostic system through the touchscreen to check for specific error codes.
2
Inspect the vehicle’s battery health and charge status through the Tesla app or onboard diagnostic menu.
3
Review the vehicle’s maintenance records for any overdue services or recalls.
4
Conduct a visual inspection for any visible leaks, wear, or damage to components.
5
If applicable, perform a software update through the Tesla system to ensure all systems are functioning correctly.

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 (optional)
•Basic hand tools (screwdrivers, wrenches)

Parts Required

•Replacement battery (if needed)
•Any specific parts identified during diagnostics

Related Faults

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Diagnostic Steps

1
Access the vehicle's diagnostic system through the touchscreen to check for specific error codes.
2
Inspect the vehicle’s battery health and charge status through the Tesla app or onboard diagnostic menu.
3
Review the vehicle’s maintenance records for any overdue services or recalls.
4
Conduct a visual inspection for any visible leaks, wear, or damage to components.
5
If applicable, perform a software update through the Tesla system to ensure all systems are functioning correctly.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.
Disconnect the high-voltage battery (if performing extensive work).

2. Address Fault Codes

Connect the Tesla diagnostic tool (if available) to retrieve fault codes.
Document any codes that appear related to battery health, motor issues, or other components.

3. Battery Inspection

Check the battery connections for any signs of corrosion or looseness.
If the battery health is low, consider replacing it or having it serviced.

4. Update Software

Navigate to the software update section in the settings menu.
Follow prompts to download and install any available updates.

5. Schedule Service

If issues persist, contact Tesla service for a professional inspection.
Provide them with all diagnostic information collected for efficient troubleshooting.