my Tesla Model 3 Original (2017-2023) is displaying “service required” what should I check

Tesla Model 3 Highland (2024-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

446 words

Problem Statement

Learn how to diagnose and fix the 'service required' message in Tesla Model 3 (2017-2023). 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

•Always ensure the vehicle is in 'Park' before performing any checks or maintenance.
•Disconnect power sources before working on electrical components.

Symptoms

•Service required message displayed on the dashboard
•Reduced vehicle performance or responsiveness
•Possible battery management system warnings
•Unusual noises during operation
•Decreased range or efficiency

Diagnostic Steps

1
Check the vehicle's Service History using the Tesla app or onboard computer.
2
Run a diagnostic scan using the Tesla service mode or diagnostic tools.
3
Inspect the battery health and charging performance using the Tesla app.
4
Review tire pressure and tread condition.
5
Check for any software updates available for the vehicle.
6
Verify all fluid levels (brake fluid, windshield washer fluid, etc.).

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

•Tire pressure gauge
•Diagnostic tool
•OEM brake fluid

Parts Required

•Replacement tires
•Brake fluid

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Diagnostic Steps

1
Check the vehicle's Service History using the Tesla app or onboard computer.
2
Run a diagnostic scan using the Tesla service mode or diagnostic tools.
3
Inspect the battery health and charging performance using the Tesla app.
4
Review tire pressure and tread condition.
5
Check for any software updates available for the vehicle.
6
Verify all fluid levels (brake fluid, windshield washer fluid, etc.).

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the parking brake is engaged.
Disconnect any external power sources (if applicable).

2. Software Update

Access the vehicle's settings through the touchscreen.
Navigate to the "Software" section to check for updates.
If an update is available, follow on-screen prompts to install it.

3. Inspect and Service Components

Battery Health:
- Use the Tesla app to check battery status.
- If battery health is low, contact Tesla service for potential replacement.
Tires:
- Inspect tire pressure using a tire gauge and inflate to the recommended PSI if needed.
- Check tread depth; replace tires if worn beyond manufacturer specifications.
Fluids:
- Check the brake fluid level and top off if necessary with OEM brake fluid.
- Ensure windshield washer fluid is filled.

4. Diagnostic Check

Use Tesla's diagnostic tools or visit a Tesla service center for a comprehensive check-up.
Follow any recommendations from the diagnostics, which may include parts replacement or software calibration.