how to fix P0700 code in Tesla Model Y Current (2020-present)

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is off.
• Disconnect the negative terminal of the battery for safety.

2. Check Transmission Fluid

• Locate the transmission fluid dipstick (if applicable) or the fill plug.
• Remove the dipstick or fill plug and check fluid level using a clean rag.
• If low, add the manufacturer-recommended transmission fluid until it reaches the correct level.
• If the fluid is dirty or burnt, proceed to the fluid change.

3. Replace Transmission Fluid (if necessary)

• Tools Required: Fluid pump, drain pan, socket set, torque wrench.
• Locate the transmission pan and remove the bolts using a socket set.
• Carefully drain the old fluid into a drain pan.
• Replace the transmission filter if applicable.
• Reinstall the transmission pan with new gasket material, torquing bolts to manufacturer specifications.
• Fill the transmission with new fluid using a fluid pump until it reaches the proper level.

4. Inspect and Repair Wiring/Connectors

• Visually inspect wiring harnesses for any signs of damage, such as fraying or corrosion.
• Use a multimeter to check the continuity of wires leading to the TCM.
• Repair or replace any damaged wiring or connectors.

5. Update TCM Software

• Connect an OBD-II scanner that can access manufacturer-specific codes.
• Check for software updates for the TCM; follow the prompts on the scanner to update if necessary.

6. Reconnect Battery and Clear Codes

• Reconnect the negative terminal of the battery.
• Use the OBD-II scanner to clear the P0700 code and any associated codes.
• Perform a test drive to ensure that the issue has been resolved.