how to fix P0700 transmission code in Toyota RAV4 Fifth Generation (2019-present)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the battery to prevent electrical shorts.
• Ensure the vehicle is on a level surface and securely supported.

2. Check and Replace Transmission Fluid

1. Locate the transmission dipstick and remove it.
2. Check the fluid level; add the manufacturer's recommended transmission fluid if low.
3. If fluid is burnt or dirty, drain the transmission fluid completely using a fluid extractor.
4. Replace with fresh transmission fluid as per manufacturer specifications (Toyota WS fluid recommended).

3. Inspect and Repair Wiring

1. Locate the transmission control module and associated wiring harness.
2. Visually inspect for damaged wires or loose connections; repair or replace as necessary.
3. Ensure all connectors are firmly seated and free of corrosion.

4. Replace Transmission Control Module (if necessary)

1. Disconnect the battery to ensure safety.
2. Remove the screws or bolts securing the TCM in place.
3. Carefully disconnect the wiring harness from the TCM.
4. Install the new TCM by connecting the wiring harness and securing it with screws or bolts.
5. Reconnect the battery.