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

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the vehicle's battery to prevent electrical shorts.
• Ensure the vehicle is on a level surface and properly supported with jack stands.

2. Check and Replace Transmission Fluid

• Sub-steps:
  1. Locate the transmission dipstick and remove it.
  2. Check the fluid level; if low, add the appropriate transmission fluid as specified in the owner’s manual.
  3. If the fluid is dirty or smells burnt, drain the old fluid using a fluid pump and replace it with new fluid.
• Tools Required: Fluid pump, funnel
• Safety Warnings: Allow the vehicle to cool before working on the transmission.

3. Inspect and Repair Wiring

• Sub-steps:
  1. Visually inspect the wiring harness connected to the TCM and transmission for any frays, corrosion, or disconnections.
  2. Repair any damaged wires using electrical tape or replace sections of wire as necessary.
  3. Ensure all connectors are secure and free from debris.
• Tools Required: Wire cutters, electrical tape, heat shrink tubing
• Safety Warnings: Disconnect battery before performing electrical work.

4. Test and Replace Transmission Control Module (if necessary)

• Sub-steps:
  1. Using a multimeter, check the voltage and ground signals to the TCM.
  2. If readings are outside of specifications, replace the TCM.
  3. Follow manufacturer instructions to program the new TCM if applicable.
• Tools Required: Multimeter
• Safety Warnings: Disconnect battery before working on electrical systems.

5. Clear Codes and Test Drive

• Sub-steps:
  1. Reconnect the battery and use the OBD-II scanner to clear all error codes.
  2. Take the vehicle for a test drive to monitor for transmission performance and ensure the check engine light does not reappear.
• Tools Required: OBD-II scanner