how to fix P0700 transmission code on Tesla Outback 5th Generation (2015-2019)

Solution

1. Preparation

• Gather all necessary tools and parts.
• Disconnect the vehicle battery to ensure safety while working on electrical components.
• Prepare a workspace with adequate lighting.

2. Transmission Fluid Service

• Step 1: Locate the transmission fluid dipstick (if applicable) and check fluid level.
• Step 2: If fluid is low, add the manufacturer-recommended transmission fluid (check the owner’s manual for specifications).
• Step 3: If the fluid is discolored or burnt, drain the transmission fluid and replace it with fresh fluid.
• Tools Required: Transmission fluid pump, funnel, collection pan.

3. Inspect Wiring and Connectors

• Step 1: Remove the undercarriage cover if needed to access the TCM wiring.
• Step 2: Visually inspect the wiring harness for frays, cuts, or disconnections.
• Step 3: Use a multimeter to check for continuity in the wiring to the TCM.
• Tools Required: Multimeter, socket set.

4. Test and Replace TCM (if necessary)

• Step 1: If no issues are found in wiring, use the OBD-II scanner to check the TCM functionality.
• Step 2: If the TCM is faulty, remove it by disconnecting the wiring harness and unbolting it from its mounting.
• Step 3: Install the new TCM by reversing the removal steps and reconnecting all wiring.
• Tools Required: Socket set, torque wrench.

5. Reconnect Battery and Clear Codes

• Step 1: Reconnect the vehicle battery.
• Step 2: Use the OBD-II scanner to clear the P0700 code and any related codes.
• Step 3: Start the vehicle and let it idle to ensure no codes reappear.