how to fix rough transmission shifts in my Tesla Model S Original (2012-2020)?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

431 words

Problem Statement

Learn how to diagnose and fix rough transmission shifts in Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, and solutions.

Affected Component

Transmission

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the 12V battery before performing any electrical work.
•Ensure the vehicle is on a level surface to avoid fluid spills.

Symptoms

•Noticeable jerking or shuddering during acceleration
•Delayed response when shifting between drive and reverse
•Inconsistent power delivery during acceleration
•Increased noise during gear changes
•Battery range decrease due to inefficient power transfer

Diagnostic Steps

1
Connect an OBD-II scanner to check for any error codes related to the transmission.
2
Inspect the transmission fluid level and condition; look for discoloration or burning smell.
3
Check for software updates that may address transmission performance issues.
4
Review the vehicle's driving history for any abnormal driving patterns or conditions.
5
Inspect the drive motor for any mechanical issues or abnormal wear.

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

•OBD-II scanner
•Fluid extraction pump
•Funnel
•Container for old fluid

Parts Required

•Transmission fluid (specific to Tesla Model S)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Connect an OBD-II scanner to check for any error codes related to the transmission.
2
Inspect the transmission fluid level and condition; look for discoloration or burning smell.
3
Check for software updates that may address transmission performance issues.
4
Review the vehicle's driving history for any abnormal driving patterns or conditions.
5
Inspect the drive motor for any mechanical issues or abnormal wear.

Solution

1. Preparation

Ensure the vehicle is parked on a level surface and the parking brake is engaged.
Gather necessary tools and parts.
Disconnect the 12V battery to prevent electrical shock.

2. Fluid Change

Tools Required: Fluid extraction pump, new transmission fluid (check specifications), funnel, container for old fluid.
Remove the transmission fluid fill plug.
Use the fluid extraction pump to remove old transmission fluid from the reservoir.
Replace with new transmission fluid as specified by Tesla (consult the owner’s manual for the correct type).
Reinstall the fill plug securely.

3. Software Update

Reconnect the 12V battery.
Power on the vehicle and check for software updates through the Tesla app or vehicle settings.
Follow prompts to install any available updates to the Transmission Control Module (TCM).

4. Adjust Driving Behavior

Educate the driver on smooth acceleration and deceleration techniques to minimize stress on the transmission.
Suggest avoiding sudden starts and stops to enhance the longevity of transmission components.