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

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative battery terminal to prevent electrical shorts.
• Ensure the vehicle is on a level surface and secured with wheel chocks.

2. Transmission Fluid Check and Replacement

• Tools Required: Transmission fluid pump, funnel, 10mm socket, drain pan.
• Instructions:
  1. Locate the transmission fluid dipstick; remove it and check fluid level.
  2. If fluid is low, add the specified Toyota ATF WS fluid (consult owner's manual for quantity).
  3. If the fluid is discolored or burnt, drain the transmission fluid using a drain pan.
  4. Replace the transmission filter if applicable, using a new filter kit.
  5. Refill the transmission with the correct amount of ATF WS fluid.

3. Inspect Wiring and Connectors

• Tools Required: Multimeter, wire brush, dielectric grease.
• Instructions:
  1. Visually inspect the wiring harness connected to the TCM for any signs of wear or damage.
  2. Use a multimeter to check for continuity in the wiring.
  3. Clean any corroded connectors with a wire brush and apply dielectric grease before reconnecting.

4. Test Transmission Control Module (TCM)

• Tools Required: OBD-II scanner.
• Instructions:
  1. Reconnect the negative battery terminal.
  2. Use an OBD-II scanner to check for TCM communication.
  3. If the TCM fails to communicate, consider replacing it.

5. Clear Codes and Test Drive

• Tools Required: OBD-II scanner.
• Instructions:
  1. Clear the P0700 code using the OBD-II scanner.
  2. Perform a test drive to ensure proper transmission operation.
  3. Recheck for any new codes.