how to fix the P0700 code on my Toyota RAV4 Fourth Generation (2013-2018)

Solution

1. Preparation

• Gather necessary tools and parts.
• Park the vehicle on a level surface and engage the parking brake.
• Disconnect the negative battery terminal to prevent electrical shorts.

2. Check and Replace Transmission Fluid

• Tools Required: Transmission fluid pump, funnel, 10mm socket, torque wrench.
• Remove the transmission fluid pan using a 10mm socket; be cautious of fluid spillage.
• Inspect the transmission fluid for contamination or burnt smell.
• If needed, replace the fluid with the manufacturer-recommended type (Toyota ATF WS).
• Reinstall the pan and torque the bolts to the manufacturer’s specifications.

3. Inspect and Repair Wiring

• Tools Required: Multimeter, wire strippers, heat shrink tubing.
• Visually inspect the wiring harness connected to the transmission for fraying or damage.
• Use a multimeter to check for continuity in the wires; repair any damaged sections by soldering or using crimp connectors.
• Ensure all connectors are clean and securely attached.

4. Replace Faulty Sensors

• Tools Required: Socket set, replacement sensors (if needed).
• Identify any malfunctioning speed sensors as indicated by the diagnostic results.
• Remove the faulty sensor using the appropriate socket size and replace it with a new one.
• Ensure to torque the new sensors to the specifications provided by the manufacturer.

5. Reset the Transmission Control Module (TCM)

• Reconnect the negative battery terminal.
• Use an OBD-II scanner to clear the P0700 code and any related codes.
• Drive the vehicle to allow the TCM to relearn the shift patterns.