my Tesla Model S is showing a service required message, what does it mean?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

554 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

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always engage the parking brake and use jack stands when working under the vehicle.
•Ensure the vehicle is powered off before performing inspections or repairs.

Symptoms

•Service required message on the dashboard
•Decreased battery range
•Unusual noises from the motor or brakes
•Reduced acceleration or power delivery
•Increased energy consumption compared to normal

Diagnostic Steps

1
Access the vehicle’s service menu via the touchscreen to view any specific alerts or notifications.
2
Check for any fault codes using the Tesla mobile app or via the vehicle's onboard diagnostics.
3
Inspect the tire pressure and tread depth, as improper inflation or wear can trigger service messages.
4
Review the vehicle’s maintenance history to determine if any scheduled services are overdue.
5
Perform a visual inspection of the brakes, suspension, and other critical components for wear or damage.

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

•Fluid level gauge
•Jack
•Jack stands
•Lug wrench
•Torque wrench

Parts Required

•Brake pads (if worn)
•Tires (if needed)
•Fluids (brake fluid, coolant, windshield washer fluid)

Related Faults

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Diagnostic Steps

1
Access the vehicle’s service menu via the touchscreen to view any specific alerts or notifications.
2
Check for any fault codes using the Tesla mobile app or via the vehicle's onboard diagnostics.
3
Inspect the tire pressure and tread depth, as improper inflation or wear can trigger service messages.
4
Review the vehicle’s maintenance history to determine if any scheduled services are overdue.
5
Perform a visual inspection of the brakes, suspension, and other critical components for wear or damage.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.
Connect the Tesla to a power source if battery maintenance is required.

2. Check Fluid Levels

Inspect the brake fluid, coolant, and windshield washer fluid levels.
- Tools Required: Fluid level gauge, funnel.
- Instructions:
  1. Open the hood and locate the fluid reservoirs.
  2. Use a fluid level gauge to check each fluid level.
  3. Top off any low fluids with the manufacturer-recommended fluids.

3. Brake Inspection

Inspect brake pads and rotors for wear.
- Tools Required: Jack, jack stands, lug wrench.
- Instructions:
  1. Lift the vehicle using the jack and secure it with jack stands.
  2. Remove the wheels to access the brake components.
  3. Check the thickness of the brake pads; replace if below the manufacturer’s specifications.
  4. Inspect the rotors for grooves or warping and replace if necessary.

4. Tire Maintenance

Rotate or replace tires as necessary.
- Tools Required: Torque wrench, tire iron.
- Instructions:
  1. Inspect each tire for tread depth and damage.
  2. Rotate tires if the tread wear is uneven, or replace worn tires.
  3. Reinstall wheels and torque to the manufacturer-specified values.

5. Software Update

Ensure the vehicle's software is up-to-date.
- Tools Required: None.
- Instructions:
  1. Check for software updates in the settings menu on the touchscreen.
  2. If an update is available, follow the prompts to install it.