how to fix Tesla Model S Original (2012-2020) infotainment system issues

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

549 words

Problem Statement

Learn how to diagnose and fix infotainment system issues in Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent short circuits.

Symptoms

•Touchscreen unresponsive or lagging
•Bluetooth connectivity problems
•GPS navigation not functioning properly
•Audio system failure or distortion
•Software updates failing to install
•Black or flickering display

Diagnostic Steps

1
Perform a soft reset of the infotainment system by holding down the two scroll wheels on the steering wheel until the screen reboots.
2
Check the vehicle’s software version and ensure it is updated to the latest version via the settings menu.
3
Inspect the wiring and connectors behind the touchscreen for any loose connections or damage.
4
Run a diagnostic report through the Tesla app to check for error codes related to the infotainment system.
5
Verify the power supply to the infotainment system by checking the fuse related to the system in the fuse box.
6
Test the Bluetooth functionality with a different device to rule out issues with the specific phone or device being used.

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

•Torx screwdriver set
•Trim removal tools

Parts Required

•Replacement touchscreen (if necessary)
•Fuses (if faulty)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Perform a soft reset of the infotainment system by holding down the two scroll wheels on the steering wheel until the screen reboots.
2
Check the vehicle’s software version and ensure it is updated to the latest version via the settings menu.
3
Inspect the wiring and connectors behind the touchscreen for any loose connections or damage.
4
Run a diagnostic report through the Tesla app to check for error codes related to the infotainment system.
5
Verify the power supply to the infotainment system by checking the fuse related to the system in the fuse box.
6
Test the Bluetooth functionality with a different device to rule out issues with the specific phone or device being used.

Solution

1. Preparation

Gather required tools and parts.
Ensure the vehicle is parked safely and turned off.
Disconnect the battery for safety.

2. Perform a Hard Reset

Tools Required: None.
Turn off the vehicle and wait for a few minutes.
Reconnect the battery.
Turn the vehicle back on.
Check if the infotainment system resumes normal functionality.

3. Update Software

Tools Required: Wi-Fi connection.
Access the vehicle settings via the touchscreen.
Navigate to the 'Software' tab.
Select 'Check for Updates' and download any available updates.
Follow the prompts to install the updates.

4. Inspect and Repair Connections

Tools Required: Torx screwdriver set, trim removal tools.
Remove the trim around the touchscreen carefully using trim removal tools.
Unscrew and remove the touchscreen assembly.
Inspect the connectors for any signs of corrosion or looseness.
Reconnect any loose connectors and ensure all connections are secure.
Reassemble the touchscreen and trim.

5. Replace Faulty Components

Parts Required: Replacement touchscreen (if necessary), fuses.
If the touchscreen is damaged or defective, order a replacement part from Tesla or an authorized dealer.
Follow the steps in "Inspect and Repair Connections" to access the faulty component.
Remove the old component and install the new one.
Reassemble all parts and reconnect the battery.