how to fix P0700 code on Tesla Outback 4th Generation (2010-2014)

Solution

1. Preparation

• Gather all necessary tools and parts.
• Disconnect the vehicle's battery to prevent electrical shorts during repairs.

2. Address Transmission Fluid

• Step 1: Check the transmission fluid level.
  • Locate the transmission dipstick, remove it, wipe it clean, reinsert, and pull it out again to check the fluid level.
• Step 2: If low, add the appropriate type of transmission fluid as specified in the owner’s manual.
• Step 3: If the fluid is burnt or contaminated, perform a transmission fluid change.
  • Drain the old fluid by removing the drain plug, replace with new fluid, and replace the filter if applicable.

3. Inspect and Repair Wiring

• Step 1: Visually inspect wiring harnesses and connectors associated with the TCM.
• Step 2: Repair or replace any corroded, damaged, or loose connections found during inspection.
• Step 3: Ensure all connectors are securely fastened.

4. Test and Replace TCM (if necessary)

• Step 1: Using the multimeter, check the voltage at the TCM; consult wiring diagrams for voltage specifications.
• Step 2: If voltage readings are incorrect, investigate further for possible shorts or open circuits.
• Step 3: If the TCM is faulty, replace it by removing the old unit and installing a new one.
  • Ensure to program the new TCM according to manufacturer specifications.

5. Clear Codes and Reassemble

• Step 1: Reconnect the battery.
• Step 2: Use the OBD-II scanner to clear the P0700 code and any other related codes from the system.
• Step 3: Reassemble any components removed during inspection and ensure everything is securely fastened.