how to fix the P0750 code in my Tesla Model S Original (2012-2020)?

Learn how to diagnose and fix P0750 transmission shift solenoid issue in Tesla Model S (2012-2020). Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather tools and parts.
• Disconnect the vehicle's battery to prevent electrical short circuits.
• Ensure you have a clean workspace and proper safety equipment (gloves, goggles).

2. Access the Transmission

• Lift the vehicle securely using jack stands.
• Remove the undercarriage cover (if applicable) using a socket set to gain access to the transmission area.

3. Remove the Shift Solenoid

• Locate the transmission shift solenoid A based on the service manual.
• Disconnect the electrical connector from the solenoid.
• Remove the bolts securing the solenoid using the appropriate socket size.
• Pull the solenoid out of the transmission carefully to avoid damage.

4. Inspect and Replace

• Inspect the old solenoid for any visible damage or wear.
• Compare the old solenoid with the new solenoid to ensure compatibility.
• Install the new shift solenoid A by reversing the removal steps, ensuring it is seated properly.

5. Fluid Replacement (if necessary)

• If the transmission fluid was contaminated or low, drain the old fluid and replace it with the manufacturer-recommended fluid.
• Refill the transmission fluid to the correct level using a funnel.

6. Reconnect and Test

• Reconnect the battery.
• Start the vehicle and allow it to reach operating temperature.
• Verify the transmission operates smoothly through all gears.