how to address the "Service Required" message on my Tesla Model S Original (2012-2020)

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

513 words

Problem Statement

Learn how to address the 'Service Required' message on your Tesla Model S (2012-2020). Step-by-step diagnostic and repair guide included.

Affected Component

Electrical

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in 'Park' and turned off before connecting diagnostic tools.
•Use caution when lifting the vehicle and ensure it is securely supported.

Symptoms

•Service Required message displayed on the dashboard
•Decreased range or charging efficiency
•Unusual sounds from the electric drive unit
•Inconsistent performance or power delivery
•Warning lights illuminated on the dashboard

Diagnostic Steps

1
Connect a diagnostic tool to the OBD-II port to scan for error codes.
2
Review the car's service history for any outstanding maintenance tasks.
3
Inspect the vehicle’s battery health and charging cycles through the Tesla app or vehicle settings.
4
Check tire pressure and tread depth, as improper tire conditions can affect performance.
5
Verify the status of software updates via the vehicle's settings menu.

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
•Diagnostic software
•Tire pressure gauge
•Brake bleeder kit

Parts Required

•Brake fluid

Related Faults

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Diagnostic Steps

1
Connect a diagnostic tool to the OBD-II port to scan for error codes.
2
Review the car's service history for any outstanding maintenance tasks.
3
Inspect the vehicle’s battery health and charging cycles through the Tesla app or vehicle settings.
4
Check tire pressure and tread depth, as improper tire conditions can affect performance.
5
Verify the status of software updates via the vehicle's settings menu.

Solution

1. Preparation

Gather tools: OBD-II scanner, diagnostic software, tire pressure gauge.
Ensure the vehicle is parked on a flat surface and turn off the ignition.

2. Address Error Codes

Use the OBD-II scanner to retrieve error codes.
Note down any fault codes and reference Tesla's service documentation for specific issues.
Clear the codes if applicable and observe if the "Service Required" message reappears.

3. Perform Necessary Maintenance

If maintenance tasks are due (e.g., tire rotation, brake fluid replacement), carry out those services:
- Tire Rotation: Lift the vehicle, remove wheels, and rotate as per the service manual specifications.
- Brake Fluid Replacement: Use a brake bleeder kit to flush old fluid and replace it with new fluid conforming to Tesla's specifications.

4. Update Software

Ensure the vehicle has the latest software updates:
- Connect to Wi-Fi.
- Navigate to "Software" in the touchscreen menu and check for updates.
- Install if available and follow the prompts.

5. Final Inspection

Check all fluid levels, including coolant and windshield washer fluid.
Inspect the vehicle for any visible signs of wear or damage that may need attention.
Test drive the vehicle to ensure the "Service Required" message does not reappear.