why does my Tesla Model S Original (2012-2020) have poor range after software update

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

490 words

Problem Statement

Discover solutions for poor range issues in Tesla Model S after a software update. Follow diagnostic steps and tips to restore battery performance.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in 'Park' when performing any resets or checking systems.

Symptoms

•Decreased battery range compared to previous performance
•Frequent alerts for low battery percentage
•Slower charging times observed
•Increased energy consumption during driving
•Erratic state of charge readings on the display

Diagnostic Steps

1
Check the software version installed and compare it with the last known version.
2
Review the energy consumption statistics in the vehicle's settings.
3
Inspect the battery health status through the Tesla app or vehicle diagnostics.
4
Perform a reset of the vehicle's systems to see if it resolves the issue.
5
Monitor the tire pressures to ensure they are at the recommended levels.
6
Evaluate any recent driving habits or conditions that may affect range.

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
•Tesla mobile app for monitoring statistics

Parts Required

•None required for this specific issue.

Related Faults

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Diagnostic Steps

1
Check the software version installed and compare it with the last known version.
2
Review the energy consumption statistics in the vehicle's settings.
3
Inspect the battery health status through the Tesla app or vehicle diagnostics.
4
Perform a reset of the vehicle's systems to see if it resolves the issue.
5
Monitor the tire pressures to ensure they are at the recommended levels.
6
Evaluate any recent driving habits or conditions that may affect range.

Solution

1. Preparation

Ensure the vehicle is parked on a flat surface and turned off.
Have the Tesla app and home charger ready for any potential updates or resets.

2. Software Reinstallation

Check for Updates:
- Navigate to 'Software' in the vehicle's main menu.
- Ensure that the latest version is installed.
- If a new version is available, initiate the update process.
Reboot the Vehicle:
- Hold down both scroll wheels on the steering wheel until the Tesla logo appears.
- Release the scroll wheels and wait for the system to reboot.

3. Battery Calibration

Perform a Full Charge:
- Plug the vehicle into the charger and allow it to charge to 100%.
- Monitor the charging process for any irregularities.
Range Test:
- After charging, perform a controlled range test by driving at a consistent speed and avoiding rapid acceleration.
- Record the distance traveled before the battery reaches a low state.

4. Tire Pressure Adjustment

Check and Adjust Tire Pressure:
- Use a tire pressure gauge to check each tire's pressure.
- Inflate or deflate each tire to the manufacturer's recommended PSI level.

5. Contact Tesla Support (if necessary)

If issues persist, contact Tesla customer support for further diagnostics or potential battery issues.