how to fix P0700 code in Toyota RAV4 XA40 (2013-2018)

Solution

1. Preparation

• Gather necessary tools and parts.
• Park the vehicle on a level surface and engage the parking brake.

2. Check and Replace Transmission Fluid

1. Check Fluid Level:
   • Use the dipstick to check the transmission fluid level. If low, add the recommended Toyota type IV transmission fluid.
2. Replace Fluid (if contaminated):
   • Drain the old transmission fluid using a drain pan.
   • Replace the transmission filter and gasket if applicable.
   • Refill with new Toyota type IV transmission fluid to the proper level.

3. Inspect and Repair Wiring

1. Inspect Wiring:
   • Visually check wiring from the TCM to the transmission for frays or breaks.
   • Clean and repair any damaged connectors or wires using electrical contact cleaner.
2. Secure Connections:
   • Ensure all connections are tight and secure.

4. Replace the Transmission Control Module (if necessary)

1. Remove TCM:
   • Disconnect the battery before starting work.
   • Locate the TCM (usually near the transmission).
   • Remove any mounting screws and disconnect the wiring harness.
2. Install New TCM:
   • Position the new TCM, connect the wiring harness, and secure it with screws.
   • Reconnect the battery.

5. Clear Error Codes

• Use the OBD-II scanner to clear the P0700 code and any related codes from the system.