how to resolve the P0750 code on my Toyota Corolla E210 (2019-2024)?

Learn how to diagnose and fix P0750 shift solenoid A issue in Toyota Corolla E210 (2019-2024). Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is turned off.
• Disconnect the negative battery terminal to prevent electrical shorts.

2. Drain Transmission Fluid

• Locate the transmission fluid pan.
• Place a drain pan under the transmission pan and remove the drain plug or pan bolts.
• Allow the fluid to completely drain before proceeding.

3. Remove Shift Solenoid

• Access the transmission by removing any necessary components such as the air intake or engine cover for easier access.
• Disconnect the electrical connector from the shift solenoid.
• Remove mounting bolts of the shift solenoid using the appropriate socket size.
• Carefully pull out the shift solenoid from its housing.

4. Inspect and Replace

• Inspect the old shift solenoid for signs of wear or damage.
• If faulty, install the new shift solenoid by inserting it into the housing and securing it with bolts to the specified torque (usually around 7-9 ft-lbs).
• Reconnect the electrical connector ensuring it clicks securely into place.

5. Reassemble and Refill Fluid

• Reinstall the transmission pan, ensuring a new gasket is used if necessary.
• Refill the transmission with the appropriate type and amount of fluid (typically Toyota ATF WS).
• Reconnect the negative battery terminal.