how to fix P0700 code in Toyota Corolla E170 (2013-2019)

Solution

1. Preparation

• Gather tools and parts needed.
• Disconnect the battery to prevent any electrical shorts during the repair.

2. Inspect and Replace Transmission Fluid

1. Check Fluid Level:

   • Locate the transmission dipstick (if applicable) or access the fill plug.
   • Remove dipstick or fill plug and check fluid level.
   • If low, add manufacturer-recommended transmission fluid.

2. Drain Old Fluid:

   • Position a drain pan under the transmission.
   • Remove the drain plug and allow fluid to fully drain.
   • Replace the drain plug and torque to manufacturer's specifications.

3. Refill with New Fluid:

   • Using a funnel, refill the transmission with the recommended fluid type.
   • Check the fluid level again and ensure it is within the proper range.

3. Repair or Replace Wiring and Connectors

1. Inspect Wiring:

   • Check the harness and connectors for frays or breaks.
   • Repair any damaged wiring, ensuring proper insulation and connection.

2. Replace Connectors if Necessary:

   • If connectors are corroded or damaged, replace them with OEM parts.

4. Test and Replace Transmission Control Module (if necessary)

1. Test the Control Module:

   • Use a multimeter to check the voltage at the control module pins.
   • Ensure continuity and proper ground connections.

2. Replace if Faulty:

   • Remove the old control module by unscrewing it from its mounting.
   • Disconnect the wiring harness and replace with a new OEM module.
   • Reconnect wiring and secure the module in place.

5. Reconnect Battery and Clear Codes

• Reconnect the battery terminal.
• Use the OBD-II scanner to clear the P0700 code and any related transmission codes.