how to fix P0700 code on my Toyota Tacoma N300 (2016-Present)

Solution

1. Preparation

• Gather all necessary tools and parts.
• Disconnect the negative terminal of the battery to prevent electrical shorts.

2. Address Diagnostic Codes

• If additional trouble codes are found:
  1. Research specific codes related to the transmission.
  2. Follow procedures for addressing each specific code (e.g., replace faulty sensors, solenoids, or wiring).

3. Check and Replace Transmission Fluid

• If the fluid is low or contaminated:
  1. Raise the vehicle and secure it on jack stands.
  2. Remove the transmission fluid pan (if necessary) and drain the fluid.
  3. Replace the fluid with manufacturer-recommended transmission fluid (e.g., Toyota WS fluid).
  4. Replace the transmission filter if applicable.

4. Inspect and Repair Wiring

• If wiring issues are found:
  1. Disconnect the connectors from the transmission control module.
  2. Inspect for corrosion or damage.
  3. Repair or replace damaged wires or connectors.

5. Reconnect Battery and Test Drive

• Reconnect the negative battery terminal.
• Start the engine and allow it to warm up.
• Test drive the vehicle to check for proper shifting and functionality.