how to fix P0700 code in Tesla Model S Original (2012-2020)

Learn how to diagnose and fix P0700 transmission issues in Tesla Model S (2012-2020). Step-by-step guide with diagnostic procedures and repair instructions.

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 vehicle’s 12V battery to prevent electrical shorts.

2. Check Transmission Fluid

• Sub-steps:
  1. Locate the transmission fluid dipstick.
  2. Remove the dipstick and wipe it clean with a lint-free cloth.
  3. Reinsert the dipstick, remove it again, and check the fluid level.
  4. If low, add the appropriate type of transmission fluid as specified in the owner’s manual.
• Tools Required: Clean lint-free cloth, funnel

3. Inspect Wiring and Connectors

• Sub-steps:
  1. Visually inspect the wiring harness and connectors for signs of wear, damage, or corrosion.
  2. If damaged, repair or replace the affected wiring or connectors.
• Tools Required: Wire strippers/crimpers, electrical tape

4. Test Transmission Control Module

• Sub-steps:
  1. Connect a multimeter to the TCM’s power and ground terminals.
  2. Measure the voltage; it should match the specifications in the service manual.
  3. If voltage is incorrect, check the power supply circuit for issues.
• Tools Required: Multimeter

5. Clear Codes and Test Drive

• Sub-steps:
  1. Use the OBD-II scanner to clear the P0700 code and any related codes.
  2. Test drive the vehicle to monitor for any reoccurrence of the check engine light or transmission issues.
• Tools Required: OBD-II scanner