how to fix the speedometer not working in 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

503 words

Problem Statement

Learn how to diagnose and fix a non-functioning speedometer in Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always ensure the vehicle is securely lifted and supported before working underneath.
•Disconnect the battery if working on electrical components, and allow the vehicle to cool before starting repairs.

Symptoms

•Speedometer display shows zero or is stuck
•No response from the speedometer when the vehicle is in motion
•Possible 'Service Required' message on the dashboard
•Other dashboard information may be functioning normally
•GPS speed tracking may still be accurate

Diagnostic Steps

1
Check the vehicle's software version for any available updates.
2
Inspect the instrument cluster settings for any misconfigurations.
3
Perform a hard reset of the vehicle by powering it down and restarting.
4
Scan the vehicle with Tesla's diagnostic tool to check for error codes related to the speedometer.
5
Inspect the wheel speed sensors for damage or disconnection.
6
Verify the functioning of the Vehicle Dynamics Controller (VDC) if applicable.

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

•Diagnostic tool (Tesla-specific)
•Jack and jack stands
•Basic hand tools (screwdriver set, socket set)

Parts Required

•Wheel speed sensor (if faulty)
•Connector harness (if damaged)

Related Faults

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Diagnostic Steps

1
Check the vehicle's software version for any available updates.
2
Inspect the instrument cluster settings for any misconfigurations.
3
Perform a hard reset of the vehicle by powering it down and restarting.
4
Scan the vehicle with Tesla's diagnostic tool to check for error codes related to the speedometer.
5
Inspect the wheel speed sensors for damage or disconnection.
6
Verify the functioning of the Vehicle Dynamics Controller (VDC) if applicable.

Solution

1. Software Update

Sub-step 1: Connect the vehicle to Wi-Fi to ensure a stable internet connection.
Sub-step 2: Navigate to the software settings on the touchscreen.
Sub-step 3: Check for available updates and install them if necessary.

2. Reset Instrument Cluster

Sub-step 1: Power down the vehicle by holding the brake pedal and selecting 'Power Off' from the menu.
Sub-step 2: Wait for at least 2 minutes before restarting the vehicle.
Sub-step 3: Once restarted, check if the speedometer operates correctly.

3. Inspect Wheel Speed Sensors

Sub-step 1: Raise the vehicle using a jack and secure it with jack stands.
Sub-step 2: Remove the wheel to access the wheel speed sensor.
Sub-step 3: Visually inspect the sensor for any physical damage or disconnection.
Sub-step 4: Reconnect any loose wires and ensure the sensor is securely mounted.
Sub-step 5: Reinstall the wheel and lower the vehicle.

4. Check Vehicle Dynamics Controller (if applicable)

Sub-step 1: Using a diagnostic tool, access the VDC settings.
Sub-step 2: Check for any fault codes related to the speedometer.
Sub-step 3: Clear any fault codes and perform a test drive to see if the issue is resolved.